Working on Roadways
Manual
Working on Roadways Manual
Table of Contents
Purpose and Scope ............................................................................................ 1 Responsibilities .................................................................................................. 1 Definitions, Abbreviations and Acronyms ........................................................... 1 References ......................................................................................................... 1 Open roads......................................................................................................... 1 4.3. Short Term Low Impact ............................................................................... 1 Built Up Areas .................................................................................................... 2 4.4 Short Term Low Impact Works ..................................................................... 2 Power Supply Authority Specific......................................................................... 4 Short Term Works for Power Supply Authorities ................................................... 4 Raising or Lowering Overhead Wires between poles across a road with
very light traffic ............................................................................................. 4 Energy mobile generators ............................................................................ 4 Power Supply Authorities Emergency and Unplanned Works............................... 5 General ........................................................................................................ 5 Initial Response............................................................................................ 5 H3 Follow Up Protection .............................................................................. 6 Pedestrian Control and Static Work Site ............................................................ 8 Pedestrian Control ................................................................................................. 8 4.2. Static Work Sites ......................................................................................... 8 Traffic Guidance Scheme (TGS) ...................................................................... 13 Common Tables Referred to in the Diagram Notes ............................................ 13 Key MUTCD Clauses ....................................................................................... 40 Open Roads ..................................................................................................... 40 4.3. Short Term Low Impact ............................................................................. 40 4.3.2. Work between gaps in traffic ......................................................... 40 4.3.3. Short term work in traffic ................................................................ 40 4.3.6 Mobile inspections ............................................................................. 41 4.3.7 Work off the travelled path ................................................................ 41 Built-up Areas ................................................................................................... 42 4.4. Short Term Low Impact Works .................................................................. 42 4.4.2 Frequently changing work area - Work not within traffic lane ........... 42 4.4.3 Frequently changing work area - Work within a traffic lane .............. 42 4.4.4 Road lighting works ........................................................................ 43 4.4.5 Works on medians, verges and footpaths ......................................... 44 Check this is the latest Process Zone version before use.
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4.4.6 Work between gaps in traffic ............................................................. 44 4.5 Works on Unsealed Roads ........................................................................ 45 4.5.1 General ............................................................................................. 45 4.5.3 Short term partial road closures ........................................................ 45 4.7. Advance and Termination Warning Signs ................................................. 46 4.7.4 Advance warning distances .............................................................. 46 4.13 Maintaining Traffic Flow .............................................................................. 46 4.13.4 Edge clearances ............................................................................. 46 4.13.5 Work in residential streets ............................................................... 47 Check this is the latest Process Zone version before use.
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PURPOSE AND SCOPE
The Working on Roadways Manual has been compiled in conjunction with the Safety Department
of Energex Limited and the People and Shared Services Department of Ergon Energy.
Clauses, tables and diagrams used in this manual are based on the Manual of Uniform Traffic
Control Devices (MUTCD): Part 3 Working on Roads. When directed to a particular clause, table or
diagram in this JW Working on Roadways Manual, Energex / Ergon Employees are to refer to the
MUTCD for the direct reference. A hyperlink to the MUTCD is provided in the References section
of this manual.
Note: that all Clause numbers referenced below align with the clauses in the MUTCD
RESPONSIBILITIES
Senior Technical Trainer and Assessor (John Lewis) as a Traffic Management Level 3 Competent
Person has approved this document
Principal Engineer Field Standards (Gavin Mathiesen) as a Registered Professional Engineer
Queensland (RPEQ No.5515) has approved this document.
Manager Technical Solutions is responsible for maintaining this Reference document.
Group Manager Works Enablement is the Process Owner responsible for approving this Reference
document.
DEFINITIONS, ABBREVIATIONS AND ACRONYMS
DTMR
Department of Transport and Main Roads
DTRMP
Daily Task Risk Management Plan
MUTCD
Manual of Uniform Traffic Control Devices
Short Term Works
is for works where personnel are in attendance and is generally limited to the
duration of a single work shift or lesser period
TGS
Traffic Guidance Scheme
VPD
Vehicles per Day
VPH
Vehicles per Hour
WORM
Working on Roadways Manual
REFERENCES


SWMS006 Working on Road or Railway Safe Work Method Statement,
SWMS006E01 Manual of Uniform Traffic Control Devices Part 3 Works on Roads, External
reference
OPEN ROADS
4.3. Short Term Low Impact
4.3.1
General
The treatments in this Clause (4.3) are permitted in recognition of the need to allow certain shortterm low impact works to be carried out without the use of static work site with protection for
workers and road users or mobile works convoys. It is mandatory that a Hazard assessment (see
Clause 2.2.3) be made of the proposed adoption of these risk treatments/controls in particular
environments taking particular account of factors such as traffic volume and speed, road geometry
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and width, and the general behaviour of road users. If the risk cannot be tolerated, a static work
site with protection for workers and road users (Clause 4.2) or mobile works convoy (Clause 4.6)
will be required.
Ensure Daily/Task Risk Management Plan (DTRMP) is completed.
Relevant
MUTCD
Clause
1. Work / Task Performed
4.3.2
Work
between
gaps in
traffic
Work / task performed but
not limited to:
 Raise Lower
 Services / Conductors
 Measure Conductors
 Survey Work
Work vehicles and equipment are
parked clear of moving traffic
lanes.
Look out person posted to warn
workers on foot of approaching
traffic and vacate roadway before
its arrival.
Static work site options
1,2,3 or 4;
OR
Apply the requirements of a
TGS diagrams also refer to
the notes.
4.3.3
Short term
work in
traffic
Work / task performed but
not limited to:
 HV & LV Switching
 Scoping Visual
inspections
 Minor works
 Survey Work
Sight
Distance:
>150 m
>250 m
Static work site options
1,2,3 or 4;
OR
Apply the requirements of a
TGS Diagrams also refer to
the notes.
4.3.6
Mobile
inspections
Work / task performed but
not limited to:
 HV & LV Switching
Travel speed < 20 km/h below
speed of road; OR
If 200 VPD
Travel speed ≥ 25 km/h
Apply the requirements of a
TGS Diagrams also refer to
the notes
4.3.7
Work off
the
travelled
path
Work / task performed but
not limited to:
 Fitting off of Poles
 Survey Work
 HV & LV Switching
 Scoping Visual
inspections
 Minor works
Sight
Distance:
>150 m
>250 m
Static work site options
1,2,3 or 4;
OR
Apply the requirements of a
TGS Diagrams also refer to
the notes.
2. Key factors for
consideration.
If the risk cannot be
tolerated, refer to step 3
Speed of Road:
≤ 60 km/h
> 60 km/h
Duration:
≤ 5 min
Look out person posted to warn
workers on foot of approaching
traffic and vacate roadway before
its arrival.
Speed of Road:
≤ 60 km/h
> 60 km/h
3. Use the MUTCD
Clause 4.2 Static work
sites with options or a
TGS Diagram
BUILT UP AREAS
4.4 Short Term Low Impact Works
4.4.1 General
The treatments in this Clause (4.4) are permitted in recognition of the need to allow certain shortterm low impact works to be carried out without the use of static work site with protection for
workers and road users or mobile works convoys which could otherwise lead to significant work
inefficiencies.
Since they could be seen as a partial relaxation of safety standards, it is mandatory that a Hazard
assessment (see Clause 2.2.3) be made of the proposed adoption of these risk treatments/controls
in particular environments taking particular account of factors such as traffic volume and speed,
road geometry and width, and the general behaviour of road users. If the risk cannot be tolerated,
a static work site with protection for workers and road users (Clause 4.2) or mobile works (Clause
4.6) convoy will be required.
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Regardless of any risk assessment, where the speed limit, traffic volume, traffic separation or
occupation time constraints specified below cannot be met, a static or mobile work site shall be
used.
The speed limits specified are existing permanent speed limits. Temporary speed limits shall not
be used unless a static or mobile work site as specified in this Part of the Manual is to be set up.
Ensure Daily/Task Risk Management Plan (DTRMP) is completed.
Relevant
MUTCD
Clause
1. Work / Task
4.4.2
Frequently
changing
work area
(Work not
within
traffic lane)
Work / task performed but
not limited to:
 HV & LV Switching
 Scoping Visual
inspections
 Minor works
 Survey Work
 Street Lights
Sight
Distance:
>50 m
20min at
40min at
60min at
>150 VPH
≤ 150 VPH
≤ 40 VPH
4.4.3
Frequently
changing
work area
(Work
within a
traffic lane)
Work / task performed but
not limited to:
 HV & LV Switching
 Scoping Visual
inspections
 Minor works
 Survey Work
 Street Lights
Sight
Distance:
greater of 50 m
or 2D
Speed
Road:
≤ 60 km/h
4.4.4
Road
lighting
works
Work / task performed but
not limited to:
 Pole Maintenance
 Street Lights
Sight
Distance:
75m
2. Key factors for
Performed
Vehicle equipped with
directional arrow
OR
temporary hazard markers
(3.9.3)
Work / task performed but
not limited to:
 Minor Works
 Fitting Poles
Speed
Road:
≤ 60 km/h
Clause 4.2 Static work
sites with options or a
TGS Diagram
of
Duration:
>150 m
>250 m
Duration:
60 min
Work
Location:
Clear of traffic
1.2 m clear of
traffic
3m clear of
traffic
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Speed
Road:
Residential
street
≤ 60 km/h
> 60 km/h
of
Static work site options
1,2,3 or 4;
OR
Apply the requirements of a
TGS Diagrams also refer to
the notes.
of
Static work site options
1,2,3 or 4;
OR
Apply the requirements of a
TGS Diagrams also refer to
the notes.
Parked
location from
traffic lane
Where
nominally
permitted
>1.2 but< 3 m
≤1.2 m
Speed
Road:
≤ 60 km/h
≤ 80 km/h
> 80 km/h
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Static work site options
1,2,3 or 4;
OR
Apply the requirements of
the TGS Diagrams also
refer to the notes.
4.13.5 Work in Residential
St
Duration:
60min at ≤ 40 VPH;
OR
20min at any traffic volume
(No personnel on roadway)
20 min
5 min
4.4.5
Works on
medians,
verges and
footpaths
3. Use the MUTCD
consideration.
If the risk cannot be
tolerated, refer to step 3
of
4.13.5 Work in Residential
St
Static work site options
1,2,3 or 4;
OR
Apply the requirements of a
TGS Diagrams also refer to
the notes.
Reference BS001409R100 Ver 6
Working on Roadways Manual
Relevant
MUTCD
Clause
1. Work / Task
2. Key factors for
Performed
consideration.
If the risk cannot be
tolerated, refer to step 3
3. Use the MUTCD
Clause 4.2 Static work
sites with options or a
TGS Diagram
Note: T1-5 sign shall be
displayed if working within 3
m of moving traffic lane.
4.4.7
Work
between
gaps in
traffic
Work / task performed but
not limited to:
 Raise Lower
 Services/Conductors
 Measure Conductors
 Survey Work
Work vehicles and equipment
are parked clear of moving traffic
lanes.
Look out person posted to warn
workers on foot of approaching
traffic and vacate roadway
before its arrival.
Static work site options
1,2,3 or 4;
OR
Apply the requirements of a
TGS Diagrams also refer to
the notes.
POWER SUPPLY AUTHORITY SPECIFIC
Short Term Works for Power Supply Authorities
Raising or Lowering Overhead Wires between poles across a road with very light traffic
(a)
(b)
A site-specific risk / hazard management assessment is required to be performed at each
site and documented to determine the most appropriate Traffic Management process to be
adopted.
In some instances where this work is being performed on roads with very light traffic or
residential streets it may be performed working between gaps in traffic Clause 4.4.7.
If the risk/hazard management assessment deems it not safe to use proposed adoption then the
following shall apply:
(a)
Where signage is required to raise or lower overhead wires over a road, procedures require
roadwork signing as per the most appropriate traffic management guidance diagram to be
implemented. Where traffic volume is low to medium or residential it may be performed as
per below:
(i)
The use of a pair of vehicle mounted warning device shall be used. MUTCD 3.12.1 (b).
(ii) Place Workers (symbolic) (T1-5) and Power Line Works in Progress (T4-5) signs or
Electric Wires Down (T4-Q04).
(iii) The lookout person shall warn workers of the approach of any vehicles whose speed or
size might constitute a safety threat. This person shall have a clear view of at least
greater than 150 m in a 60 km/h or lower speed zone; or greater than 250 m
elsewhere.
For residential streets, clear visibility past the work area and beyond it for at least 75 m or to the
end of the roadway if less than 75 m away.
In some instances the lookout person may need to stop traffic. This may be done by placing hand
in the air with palm towards the driver indicating to driver to stop or the use of an alternative control
device e.g. Electric Wires Down sign.
Energy mobile generators
Generally, mobile generators will be placed adjacent to or off the road at a worksite the day prior to
scheduled work, and are included in the worksite’s traffic control plan once work commences.
During the period when the mobile generator is not attended, the following conditions shall be met:
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(a)
Where traffic does not have to deviate from the normal travelled path advanced signs are not
required provided sight distance to the mobile generator is:
(i)
greater than 150 m in a 60 km/h or lower speed zone; or
(ii) greater than 250 m elsewhere.
Where it is not possible to meet the sight distance requirements above, a Road Plant Ahead sign
(T1-3) shall be displayed in addition to standard size traffic cones (70 km/h or below 450 mm to
500 mm in height and greater than 70 km/h 700 mm in height) placed at 5 m intervals on the road
side of the mobile generator, starting and ending within 10 m of the mobile generator.
Power Supply Authorities Emergency and Unplanned Works
General
This procedure specifies for the safe control of traffic and the safety of electrical workers attending
emergency and unplanned work sites.
Whilst as indicated below, initial and short term measures will in many cases be taken by police,
the primary security of the site and the follow-up control and protection measures for longer term
situations will often be provided by Traffic control. Because of the speed at which it will usually be
necessary to deploy traffic control resources, frequently outside working hours, specific work
methods and procedures for attending emergency closures or part closures should be developed,
and work units likely to be allocated to these tasks trained in their use. The procedures should
include the following:
(a)
(b)
(c)
(d)
Duties of workers attending the site.
Modified duties where there are initially, insufficient workers available for optimum control of
the site, e.g. the need for a single traffic controller to control traffic in two directions.
Procedures for contacting police, emergency services and traffic control, including when
usual communication (mobile telephone) is not available or not working.
Equipment that is to be ready at all times potential emergencies at designated location.
Initial Response
While initial attendance at an incident site will often be by police, fire or emergency services
personnel trained and equipped for incident management. They will not necessarily remain on site
for the entire length of the closure.
Where an electrical entity work crew is to provide the initial attendance or is to take over from
police or other emergency service units the following shall apply:
(a)
(b)
(c)
Minor partial road closure
For closures where traffic can continue to flow in both directions (two-way road) or at least
one lane in each direction is open (divided road) a vehicle with a vehicle-mounted warning
device in accordance with Clause 3.12.1 shall be placed to shadow the closure at one or
both ends of the incident site as necessary.
Major partial road closure
For closures where traffic is restricted to one-way movement past the incident site, the
vehicle as in Item (a) and traffic management or traffic controllers in accordance with Clause
4.10 shall be provided at both ends of the site. Where the posted speed limit is more than 60
km/h, high priority shall be given to the provision of advance signs (i)
TRAFFIC HAZARD; or Electric Wires Down and once traffic control available Traffic
Controller Ahead / PREPARE TO STOP will be implemented.
Complete road closure
The requirements of Item (b) together with barricades in accordance with Clause 3.8.3
across the entire roadway shall be provided. As far as practicable the positioning of the
closure point in Item (b) and the barricade position in Item (c) should be at least distance D
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from the incident site, and traffic controller positions placed so as to be visible to approaching
traffic for a distance of at least 2D.
Typical location of devices for initial response protection purposes is shown in Emergency site
setup diagrams.
H3 Follow Up Protection
Follow-up protection shall comprise the setting up of a static work site in accordance with Clause
4.2. Follow-up protection for sites where it is clear that the closure or part closure will be required
for a period longer than 4 hours appropriate resources shall be deployed.
Should the extent of the emergency / event require extended periods for the restoration of supply
and the unavailability of traffic control resources subject to the risk management process utilise
static site 4.2 or emergency Diagrams A, B or C shall be applied.
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Emergency Site Setup
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PEDESTRIAN CONTROL AND STATIC WORK SITE
Pedestrian Control
Pedestrians can pass by or be escorted through the worksite subject to appropriate controls and
direction. Consideration is required for effective pedestrian management such as:





Developing a traffic / pedestrian management plan.
Establish a walkthrough zone at site setup.
Full footpath closures on major arterial roads may require special consideration if the above
cannot be achieved.
Where applicable stop traffic flow and escort along carriageway.
Where pedestrians require escorting through the work site, stop work and escort them
through.
Signs for Pedestrian Control Sign
Sign Number
Size mm
Pedestrians Watch Your Step
T8-1
900 x 600
Pedestrians (arrow)
T8-2 (L or R)
1200 x 300
Use Other Footpath
T8-3
900 x 600
Footpath Closed
T8-4A
900 x 600
Look both ways – Two-way T8-5A
traffic
900 x 600
Pedestrians Watch Your Step
900 x 600
T8-1
4.2. Static Work Sites
This Clause sets out requirements and recommendations for protecting workers from oncoming or
passing traffic, and road users from hazards within the site at a static worksite.
Short term and low impact works permitted under Clauses 4.3 and 4.4 are exempt from these
requirements and recommendations provided that the requirements of those Clauses are
observed.
The clearances to edge of work area in the following Items shall be measured from the traffic-side
edge of the line of delineating devices or barriers as specified in Clause 4.13.4.
Refer to options:
Option 1 - Minimum 6 m or more clear of traffic.
Option 2 - Work area 3 m to 6 m or more clear of traffic.
Option 3 - Work area closer than 3 m to traffic.
Option 4 - Work area 1.2 m or closer to moving traffic.
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TRAFFIC GUIDANCE SCHEME (TGS)
Common Tables Referred to in the Diagram Notes
Table 4.1 – Value of Dimensions D (Table 4.2 of MUTCD) Posted speed limit (prior to roadwork) (km/h)
40 or less
Dimension D (m)
5 to 10
50
10 to 15
60
15 to 45
70, 80
60 to 80
90, 100
80 to 100
110
100 to 120
Table 4.6 – Recommended Taper Length (Table 4.6 of MUTCD) Permanent Posted
Speed (km /h)
Recommended taper length (m)
Traffic Control at
beginning of taper
Lateral shift taper
Merge taper
40 or less
15
5
15
50
15
15
30
60
30
30
60
70
30
60 - 80
120 - 160
80
30
60 - 80
120 - 160
90
30
60 - 80
120 - 160
100
30
60 - 80
120 - 160
Greater than 100
30
60 - 80
120 - 160
Table 2.11 – Minimum Lane Widths (Table 4.11 of MUTCD) Posted speed limit during roadwork (km/h)
60 or less
Minimum Lane Width (m)
3.0
70 to 90
3.2
Greater than 90
3.4
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Notes to Diagram 1A
1.
2.
3.
4.
5.
6.
7.
8.
9.
Frequently changing work area involving workers on foot with or without machinery on
shoulders (see Clauses 4.3.4 and 4.3.5). Job examples - grass mowing, shoulder work,
table drain clearing. Advance warning signs may be omitted if the sight distance exceeds 150
m in a 60 km/h or lower zone, or 250 m elsewhere and a vehicle mounted warning device is
displayed.
Where the shoulder material is soft or is to remain temporarily on the pavement, then the
appropriate sign Slippery, Loose Stones, SOFT EDGES, etc. should be shown a minimum
distance. 2D (see Table 4.2) m ahead of the hazard (see Clause 4.7.4). Where workers will
be working on the shoulder the Workers (symbolic) sign should be repeated in this location.
Workers (symbolic) signs shall be used when workers are actually working.
Temporary speed zone to meet workplace or traffic safety requirements (see Clause 4.2 and
Clause 4.9). Remove when workers have left the work area.
Consider the need for cones along the edge of the pavement in accordance with Table 3.7.
The distance D for sign spacing is given in Table 4.2.
Refer to Clauses 4.3.3 and 4.3.4.
For works on unsealed roads see Clause 4.5.
Consider use of ROADWORK 1 km ahead or ROADWORK 500 m Ahead signs in advance
of the taper at the work site for approach speeds of 90 km/h or greater, especially when the
work site requires a reduction in speed of 40 km/h or more see Clause 4.7.2.
For high speed road, additional signs to control vehicle approach speeds will be required
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Notes to Diagram 2
1.
2.
3.
4.
5.
6.
If the remaining clear roadway width is 5.5 m or more, two-way operation should be
maintained. If 5.5 m cannot be maintained, the width should be reduced to no more than 3.5
m (see Clause 4.13.5) to ensure vehicles operate in single file under shuttle working
conditions.
A multi message or the Workers (symbolic) sign may be used and shall be removed when
workers have left the area or are no longer visible to traffic. Placement of the sign should be
in accordance with Clause 4.7.4.
Direct control of traffic may not be required if there is clear visibility of and beyond the work
area for 75 m, and the length of shuttle lane does not exceed 60 m (see Clause 4.13.5(b)). If
these conditions cannot be maintained some form of traffic control will be required.
One T5-Q02 (or T5-5) sign should be placed within the taper area (refer Clause 3.9.3). If the
lateral shift is more than 2 m consider the need for extra T5-Q02 (or T5-5) signs. If traffic
volumes are very light to medium (<250 Vehicles Per Hour [VPH]) this sign / signs may be
omitted if continuous operations are in progress and vehicle has a vehicle-mounted warning
device activated.
If a side street occurs within your work site, signage as per insert in Diagram 2 shall be
applied.
If working closer than 1.2 m to moving traffic refer to Diagram 2A.
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Notes to Diagram 2A
1.
2.
3.
4.
5.
If the remaining clear roadway width is 5.5 m or more, two-way operation should be
maintained. If 5.5 m cannot be maintained, the width should be reduced to no more than 3.5
m (see Clause 4.13.5) to ensure vehicles operate in single file under shuttle working
conditions.
A multi message or the Workers (symbolic) sign may be used and shall be removed when
workers have left the area or are no longer visible to traffic. Placement of the sign should be
in accordance with Clause 4.7.4.
Direct control of traffic may not be required if there is clear visibility of and beyond the work
area for 75 m, and the length of shuttle lane does not exceed 60 m (see Clause 4.13.5(b)). If
these conditions cannot be maintained some form of traffic control will be required.
One T5-Q02 (or T5-5) sign should be placed within the taper area (refer Clause 3.9.3). If the
lateral shift is more than 2 m consider the need for extra T5-Q02 (or T5-5) signs. If traffic
volumes are very light to medium (<250 Vehicles per Hour [VPH]) this sign / signs may be
omitted if continuous operations are in progress and vehicle has a vehicle-mounted warning
device activated.
If a side street occurs within your work site, signage as per insert in Diagram 2A shall be
applied
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Reference BS001409R100 Ver 6
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Working on Roadways Manual
Notes to Diagram 3
1.
2.
3.
4.
5.
6.
7.
The minimum lane width shall be 3 m (see Clause 4.13.3) and the edge clearance shall be
as determined in Clause 4.13.4. Where this remaining width is insufficient for a lane of traffic
and vehicles need to cross the centreline to travel around the work area, Diagram 11 should
be used. Where traffic controllers are used to control traffic, use Diagram 4.
The Workers (symbolic) sign shall be removed when workers have left the area or are no
longer visible to traffic. The sign shall be placed at a distance 2D from the taper for speed
limit 60 km/h or more (Clause 4.7.4).
Consider the need to prohibit parking along this kerb.
Safety buffer can be omitted if permanent posted speed limit is less than 60km/h.
One T5-Q02 (or T5-5) sign should be placed within the taper area (refer Clause 3.9.3). If the
lateral shift is more than 2 m consider the need for extra T5-Q02 (or T5-5) signs. If traffic
volumes are very light to medium (<250 Vehicles per Hour [VPH]) this sign / signs may be
omitted if continuous operations are in progress and vehicle has a vehicle-mounted warning
device activated.
If a side street occurs within your work site, signage as per insert in Diagram 3 shall be
applied.
If exclusion zone of 1.2 can be created refer to Diagram 3A.
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Working on Roadways Manual
Notes to Diagram 3A
1.
2.
3.
4.
5.
6.
The minimum lane width shall be 3 m (see Clause 4.13.3) and the edge clearance shall be
as determined in Clause 4.13.4. Where this remaining width is insufficient for a lane of traffic
and vehicles need to cross the centreline to travel around the work area, Diagram 11 should
be used. Where traffic controllers are used to control traffic, use Diagram 4.
The Workers (symbolic) sign shall be removed when workers have left the area or are no
longer visible to traffic. The sign shall be placed at a distance 2D from the taper for speed
limit 60 km/h or more (Clause 4.7.4).
Consider the need to prohibit parking along this kerb.
Safety buffer can be omitted if permanent posted speed limit is less than 60km/h.
One T5-Q02 (or T5-5) sign should be placed within the taper area (refer Clause 3.9.3). If the
lateral shift is more than 2 m consider the need for extra T5-Q02 (or T5-5) signs. If traffic
volumes are very light to medium (<250 Vehicles per Hour [VPH]) this sign / signs may be
omitted if continuous operations are in progress and vehicle has a vehicle-mounted warning
device activated.
If a side street occurs within your work site, signage as per insert in Diagram3A shall be
applied
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Notes to Diagram 4
1.
The vehicle should be parked (a) so it does not unduly obstruct motorists' vision of the travelled path;
(b)
to leave a clear escape path for workers; and
(c)
where necessary, in advance of the work area to protect workers.
2.A
Traffic Controller Ahead / PREPARE TO STOP sign may be required on the right-hand side
of high volume roads.
3.
The minimum lane width including trafficable shoulder shall be 3 m (see Clause 4.13.3). For
widths of 6 m or more, see Diagram 11. Where only one traffic controller is available, and
high traffic volumes or barrier lines make it necessary to direct traffic through the work area
see Diagram 5.
For traffic volumes of 40 VPD or less and posted speed during roadworks 70 km/h or less,
where the length of single lane does not exceed 60 m, traffic control may not be required.
Where the requirements of Clause 4.13.1 are met, the GIVE WAY and ONE WAY sign
assembly may be used (see Diagram 12).
Temporary speed zone to meet workplace or traffic safety requirements (see Clause 4.2).
Remove when workers have left the work area or are no longer visible to traffic.
May be omitted if continuous operations are in progress and vehicle has a vehicle-mounted
warning device activated.
A maximum speed limit of 60 km/h shall be used (see Clause 4.10.4).
Consider use of ROADWORK 1 km ahead or ROADWORK 500 m Ahead signs in advance
of the taper at the work site for approach speeds of 90 km/h or greater, especially when the
work site requires a reduction in speed of 40 km/h or more see Clause 4.7.2.
Advance warning (see Clause 4.9.5) shall be provided by a buffer zone comprising either:
(a) a Speed Limit AHEAD sign; or
4.
5.
6.
7.
8.
9.
(b)
10.
11.
12.
13.
14.
15.
a speed zone (see Table 4.7 for length of speed zone).
For works on unsealed roads see Clause 4.5.
The distance D for sign spacing is given in Table 4.2.
Refer to Table 4.6 for recommended taper lengths.
Four cones installed on the centreline in advance of Traffic Controller position (see Clause
4.10.2).
This diagram has advance and departure speed signage for a 100 km/h speed zone.
Appendix L (Clause L5) illustrates the typical options available for speed signage at
roadworks sites for a number of different speed environments. To use this example diagram
for different speed zones, modify the advance and departure speed signage shown in this
example diagram according to the options illustrated in Appendix L.
If a side street occurs within your work site as per option 1 or option 2, signage as per insert
in diagram shall be applied.
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Working on Roadways Manual
Notes to Diagram 7A
1.
2.
3.
4.
5.
6.
7.
8.
Signs shall be duplicated on the right-hand side of a one-way roadway, where practicable.
These signs may be required for the multi-lane undivided road situation.
The vehicle should be parked(a) so it does not unduly obstruct motorists' vision of the travelled path;
(b)
to leave a clear escape path for workers; and
(c)
where necessary, in advance of the work area to protect workers.
An illuminated flashing arrow shall be used where the traffic volume is 1500 VPD or greater
and the posted speed in advance of the taper is 70 km/h or greater (see Clause 4.8.3).
Consider use of ROADWORK 1 km ahead or ROADWORK 500 m Ahead signs in advance
of the taper at the work site for approach speeds of 90 km/h or greater, especially when the
work site requires a reduction in speed of 40 km/h or more see (Clause 4.7.2).
The distance D for sign spacing is given in Table 4.2.
May be omitted if continuous operations are in progress and vehicle has a vehicle mounted
warning device activated.
Temporary speed zone to meet workplace or traffic safety requirements (see Clause 4.2).
Remove when workers have left the work area.
Advance warning (see Clause 4.9.5) shall be provided by a buffer zone comprising either:
(a) a Speed Limit AHEAD sign; or
(b)
9.
10.
11.
12.
13.
14.
a speed zone (see Table 4.7 for length of speed zone).
For a median lane closure, a manoeuvre requiring the left hand stream to shift laterally into
the right hand stream is to be preferred see Clause 4.8.2 and Diagram 7C.
Refer to Table 4.6 for recommended taper lengths.
The minimum lane width including trafficable shoulder shall be 3 m (see Clause 4.13.3).
On a multi-lane divided road, traffic travelling in the direction not affected by roadworks may
not require signing.
The safety buffer may be increased to 100 m on multi-lane roads (see Clause 4.1.4(c)).
This diagram has advance and departure speed signage for a 100 km/h speed zone.
Appendix L (Clause L5) illustrates the typical options available for speed signage at
roadworks sites for a number of different speed environments. To use this example diagram
for different speed zones, modify the advance and departure speed signage shown in this
example diagram according to the options illustrated in Appendix L.
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Working on Roadways Manual
Notes to Diagram 7B
1.
2.
3.
4.
5.
6.
7.
8.
Signs shall be duplicated on the right-hand side of a one-way roadway, where practicable.
These signs may be required for the multi-lane undivided road situation.
The vehicle should be parked(a) so it does not unduly obstruct motorists' vision of the travelled path;
(b)
to leave a clear escape path for workers; and
(c)
where necessary, in advance of the work area to protect workers.
An illuminated flashing arrow shall be used where the traffic volume is 1500 VPD or greater
and the posted speed in advance of the taper is 70 km/h or greater (see Clause 4.8.3).
Consider use of ROADWORK 1 km ahead or ROADWORK 500 m Ahead signs in advance
of the taper at the work site for approach speeds of 90 km/h or greater, especially when the
work site requires a reduction in speed of 40 km/h or more see (Clause 4.7.2).
The distance D for sign spacing is given in Table 4.2.
May be omitted if continuous operations are in progress and vehicle has a vehicle mounted
warning device activated.
Temporary speed zone to meet workplace or traffic safety requirements (see Clause 4.2).
Remove when workers have left the work area.
Advance warning (see Clause 4.9.5) shall be provided by a buffer zone comprising either:
(a) a Speed Limit AHEAD sign; or
(b)
9.
10.
11.
12.
13.
a speed zone (see Table 4.7 for length of speed zone).
For a median lane closure, a manoeuvre requiring the left hand stream to shift laterally into
the right hand stream is to be preferred see Clause 4.8.2 and Diagram 7C.
Refer to Table 4.6 for recommended taper lengths.
The minimum lane width including trafficable shoulder shall be 3 m (see Clause 4.13.3).
The safety buffer may be increased to 100 m on multi-lane roads (see Clause 4.1.4(c)).
This diagram has advance and departure speed signage for a 100 km/h speed zone.
Appendix L (Clause L5) illustrates the typical options available for speed signage at
roadworks sites for a number of different speed environments. To use this example diagram
for different speed zones, modify the advance and departure speed signage shown in this
example diagram according to the options illustrated in Appendix L.
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Notes to Diagram 10
1.
2.
3.
4.
5.
6.
In built-up areas, access for pedestrians should be considered together with appropriate
signs.
In built-up areas, parking may need to be prohibited within the work site.
Access for local traffic should be considered.
The length of the 40 km/h speed zone may be subject to Clause 4.2(e).
5. At night, or when no work is being carried out, barricades may be erected along the work
site at right angles to traffic flow (see Clause 3.8.3).
Advance warning (see Clause 4.9.5) shall be provided by a buffer zone comprising either:
(a) a Speed Limit AHEAD sign; or
(b)
7.
8.
9.
10.
11.
12.
13.
14.
15.
a speed zone (see Table 4.7 for length of speed zone).
May be omitted when work is less than 20 m in length, no truck or major plant item is in use
and no excavation is involved.
Temporary speed zone to meet workplace or traffic safety requirements (see Clause 4.2).
Cover or alter if inappropriate at night.
The distance D for sign spacing is given in Table 4.2.
Where traffic flow must be temporarily interrupted, traffic controllers with appropriate signing
(see Diagram 12) should be used.
The Workers (symbolic) sign shall be removed when workers have left the work area or are
no longer visible to traffic.
Advance signs shall be displayed as prominently as possible by selecting the longitudinal
location of the sign for best sight distance for approaching traffic. Signs continuously required
for works which will be in progress for periods longer than 2 weeks should be erected in a
permanent manner, e.g. on posts sunk into the ground, and duplicated on the right side of
the road. Flashing lamps may be used to draw attention to advance signs (see Clause 3.11).
Barrier boards shall be installed in accordance with Clause 3.8.3. The bars should be
aligned to point down the side which vehicles are required to pass. (See TC9215_1 and
TC9224_1.)
On a multi-lane divided road, traffic travelling in the direction not affected by roadworks may
not require signing.
This diagram has advance and departure speed signage for a 100 km/h speed zone.
Appendix L (Clause L5) illustrates the typical options available for speed signage at
roadworks sites for a number of different speed environments. To use this example diagram
for different speed zones, modify the advance and departure speed signage shown in this
example diagram according to the options illustrated in Appendix L.
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Notes to Diagram 11
1.
2.
3.
4.
5.
6.
7.
8.
9.
10.
Where works are continuously moving, advance warning signs may be vehicle mounted.
If a barrier line is present for traffic in either direction, traffic control is required (see
Diagrams 4 and 5).
The vehicle should be parked(a) so it does not unduly obstruct motorists' vision of the travelled path;
(b)
to leave a clear escape path for workers; and
(c)
where necessary, in advance of the work area to protect workers.
The minimum lane widths including trafficable shoulder shall be 3.0 m (see Clause 4.13.3). A
temporary hazard marker and cones may be required to separate opposing traffic.
May be omitted if continuous operations are in progress and vehicle has a vehicle-mounted
warning device activated.
For works on unsealed roads see Clause 4.5.
The distance D for sign spacing is given in Table 4.2.
Consider use of ROADWORK 1 km Ahead or ROADWORK 500 m Ahead signs in advance
of the taper at the work site for approach speeds of 90 km/h or greater, especially when the
work site requires a reduction in speed of 40 km/h or more (e.g. 100 km/h to 60 km/h). (See
Clause 4.7.2.)
Temporary speed zone to meet workplace or traffic safety requirements (see Clause
4.2).Remove when workers have left the work area.
Advance warning (see Clause 4.9.5) shall be provided by a buffer zone comprising either:
(a) a Speed Limit AHEAD sign; or
(b)
Note:
11.
12.
a speed zone (see Table 4.7 for length of speed zone).
These signs may be omitted when working in a lower speed zone.
Refer to Table 4.6 for recommended taper lengths.
This diagram has advance and departure speed signage for a 100 km/h speed zone.
Appendix L (Clause L5) illustrates the typical options available for speed signage at
roadworks sites for a number of different speed environments. To use this example diagram
for different speed zones, modify the advance and departure speed signage shown in this
example diagram according to the options illustrated in Appendix L.
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Notes to Diagram 19
1.
2.
3.
4.
5.
6.
7.
8.
9.
Signs shall be duplicated on the right-hand side of a one-way roadway, where practicable.
These signs may be required for the multi-lane undivided road situation.
The vehicle should be parked(a) so it does not unduly obstruct motorists' vision of the travelled path;
(b)
to leave a clear escape path for workers; and
(c)
where necessary, in advance of the work area to protect workers.
An illuminated flashing arrow shall be used where the traffic volume is 1500 VPD or greater
and the approach speed of traffic is 70 km/h or greater (see Clause 4.8.3).
Temporary speed zone to meet workplace or traffic safety requirements (see Clause 4.2).
Remove when workers have left the work area.
The distance D for sign spacing is given in Table 4.2.
Cover pavement arrows to allow all turns from single lane entry.
Refer to Table 4.6 for recommended taper lengths.
The minimum lane width including trafficable shoulder shall be 3.0 m (see Clause 4.13.3).
If installed, advance signs shall be displayed as prominently as possible by selecting the
longitudinal location of the sign for best sight distance for approaching traffic. Signs
continuously required for works which will be in progress for periods longer than 2 weeks
should be erected in a permanent manner, e.g. on posts sunk into the ground, and
duplicated on the right side of the road. Flashing lamps may be used to draw attention to
advance signs (see Clause 3.11).
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Notes to Diagram 20
1.
2.
3.
4.
5.
6.
The vehicle should be parked(a) so it does not unduly obstruct motorists' vision of the travelled path;
(b)
to leave a clear escape path for workers; and
(c)
where necessary, in advance of the work area to protect workers.
The distance D for sign spacing is given in Table 4.2.
The minimum lane width including trafficable shoulder shall be 3 m (see Clause 4.13.3).
Cones may be omitted if continuous operations are in progress and vehicle has a vehiclemounted warning device activated.
Traffic controllers may be used where larger vehicles, e.g. buses, are unable to negotiate the
remaining clear roadway width on the roundabout.
Four cones installed on the centreline in advance of Traffic Controller position (see Clause
4.10.2).
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Notes to Diagram 33
1.
2.
3.
4.
5.
If traffic control at the intersection is a problem, traffic controllers or a Police officer may be
needed. In this case a Traffic Controller Ahead/PREPARE TO STOP sign should be erected
in advance of the work area (normally 2D (see Table 4.2) metres).
The Workers (symbolic) sign shall be removed when workers have left the area or are no
longer visible to traffic.
Refer to Table 4.6 for recommended taper lengths.
The minimum lane width including trafficable shoulder shall be 3 m (see Clause 4.13.3).
T5-Q02 (or T5-5) sign should be placed within the taper area (refer Clause 3.9.3). Consider
the need for extra T5-Q02 signs if traffic volumes are low to medium, this sign/signs may be
omitted if traffic volumes are very light.
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KEY MUTCD CLAUSES
OPEN ROADS
4.3. Short Term Low Impact
4.3.2. Work between gaps in traffic
Work that is of such short duration that it can be carried out within raise in traffic may be done
without advance signs or delineation provided that –
(a)
(b)
a lookout person who can see approaching traffic in time to warn workers to vacate the
roadway before its arrival, is posted; and
work vehicles and equipment are parked clear of moving traffic lanes.
A vehicle mounted warning device shall be displayed on the work vehicle.
4.3.3. Short term work in traffic
Workers with a vehicle or item of plant equipped with a vehicle-mounted warning device may work
on the roadway or within 1.2 m of moving traffic without the use of advance signs provided the
roadway at any one work site is not occupied for more than 5 min and the conditions below are
observed.
Sight distance to the vehicle-mounted warning device for approaching drivers shall be (a)
(b)
Greater than 150 m in a 60 km/h or lower speed zone; or
Greater than 250 m elsewhere.
The vehicle-mounted warning device shall not be obscured, e.g. by overhanging vegetation or a
raised truck body.
The work shall not reduce (i)
(ii)
the overall width to less than that required for safe passage for two-way traffic (or one-way
traffic if the volume is less than 50 VPD); or
the running lane width adjacent to a barrier line to less than that needed to allow vehicles to
proceed without crossing the line.
A lookout person shall be posted to warn workers on foot on the roadway of the approach of any
vehicles whose speed or size might constitute a safety threat. If two or more locations within a
space of 2 km or less are to be worked as above, the site shall be treated as a frequently changing
work area (see Clause 4.3.4). The lookout person is not required if the works are more than 1.2 m
clear of moving traffic.
The lookout person may be dispensed with if the work will not take longer than 10 seconds and
approaching traffic can be seen for a distance away equal to 20 seconds of travel time.
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4.3.6 Mobile inspections
Mobile road inspections are carried out according to one of the following requirements or
recommendations:
(a)
If the inspection vehicle maintains speed that (i)
is less than 20 km/h below the speed limit; or
(ii) on a road with less than 200 VPD is at least 25 km/h,
it may travel in the traffic stream, but in the case of Item (ii) shall display at least one yellow
beacon lamp.
(b)
(c)
If the inspection vehicle can operate by travelling along a shoulder or verge clear of moving
traffic, using gaps in traffic to pass any obstructions in the shoulder or verge, it may operate
as a single vehicle but shall display at least one yellow beacon lamp.
If the inspection vehicle is required to block or partially block a traffic lane continuously at
speeds lower than in Item (a) it shall operate within a mobile works convoy as specified in
Clause 4.6.
4.3.7 Work off the travelled path
For activities involving a vehicle or item of plant running off the road such as mowing and sign /
road edge guide post maintenance where the machine is running on the shoulder or work vehicle
is parked clear of the road so that traffic does not have to deviate from the normal travelled path,
the work may proceed without the use of advance signs under the following conditions. Sight
distance to the vehicle mounted warning device for approaching drivers shall be(a)
(b)
(c)
Greater than 150 m in a 60 km/h or lower speed zone; or
Greater than 250 m elsewhere; and
The vehicle-mounted device is displayed and not be obscured either by overhanging
vegetation or a raised truck body.
The following activities may proceed with the work vehicle parked clear of the travelled path:
(i)
(ii)
(iii)
(iv)
(v)
(vi)
mowing and litter activities
graffiti removal
minor tree clearing
minor cleaning of culverts, pipes and pits
herbicide spraying
road edge guide post repairs
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BUILT-UP AREAS
4.4. Short Term Low Impact Works
4.4.2 Frequently changing work area - Work not within traffic lane
The work shall be carried out with a vehicle equipped with a vehicle mounted warning device
parked on a shoulder or parking lane or elsewhere where parking is permitted adjacent to moving
traffic. The vehicle shall shadow the work area at all times, either to the front or back of it. The
limitations that shall apply are –
(a)
(b)
(c)
speed limit - 70 km/h or less; and
minimum sight distance to oncoming traffic - 50 m; and
maximum work period at any one location (i)
20 min at any traffic volume; or
(ii) 40 min at traffic volumes 150 vph or less; or
(iii) 1 hour at traffic volumes 40 vph or less.
The work area may move frequently between successive locations. The following are examples of
short-term works appropriate for this treatment when they do not require encroachment onto a
moving traffic lane:
(A)
(B)
(C)
(D)
(E)
(F)
(G)
(H)
(I)
(J)
(K)
Note:
pit cleaning or repair
litter collection
tree pruning or planting
road signs or street furniture maintenance
street light maintenance
mowing and litter activities
graffiti removal
minor tree clearing
minor cleaning of culverts, pipes and pits
herbicide spraying
road edge guide post repairs
A static work site will be required if these conditions cannot be met. See Clause 4.4.1.
4.4.3 Frequently changing work area - Work within a traffic lane
The work shall be carried out using a work vehicle or large plant item, and a shadow vehicle, both
equipped with a vehicle mounted warning device.
Note:
A large plant item should generally be considered to be the equivalent of a medium size
farm or industrial tractor or larger.
If work is being carried out by a large plant item and there are no workers on foot or small plant
items present, the shadow vehicle shall follow the plant item 15 m to 30 m behind it, either in the
lane or shoulder to the left of the work lane if free, or otherwise, within the work lane.
If the work is being carried out by workers on foot or small items of plant, even though large plant
items may also be present, the shadow vehicle shall travel in the same lane as the work area, 20
m to 40 m behind the work vehicle
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Working on Roadways Manual
The following limitations apply:
(a)
(b)
(c)
Speed limit - 60 km/h or less.
Maximum work period at any one location, large item of plant, no workers on foot
(i)
20 min at any traffic volume; and
(ii) 1 hour at traffic volumes up to 40 vph.
Maximum work period at any one location, workers on foot - 1 hour at traffic volumes up to
40 vph.
The shadow vehicle may be dispensed with at volumes less than 60 vph. provided sight distance
to oncoming traffic is at least 50 m or 2D, whichever is the greater. The work may be moved
frequently between successive locations.
Examples of work appropriate for this treatment are –
(A)
(B)
(C)
Note:
pavement marker laying (other than on dividing lines);
pavement testing; and
any of the items listed in Clause 4.4.2 where encroachment onto a traffic lane is likely to
occur.
A static or mobile work site will be required if these conditions cannot be met, see Clause
4.4.1.
4.4.4 Road lighting works
Road lighting works may be undertaken in built-up area by workers on foot with a vehicle equipped
with a vehicle mounted warning device and an illuminated directional arrow sign without the use of
advance warning signs under the following conditions:
(a)
(b)
Where the vehicle is positioned where parking would normally be permitted and does not
obstruct the traffic flow:
(i)
The maximum work period at any one location shall be 1 hour.
(ii) A minimum clearance of 5.5 m must be maintained above the road surface to any part
of the maintenance vehicle that encroaches upon the open traffic lane.
Where the vehicle is positioned other than outlined in (a):
(i)
The maximum work period at any one location shall be:
(A) 5 minutes if on the roadway or within 1.2 m of moving traffic; or
(B) 20 minutes if within 3 m of moving traffic but more than 1.2 m from moving traffic.
(ii) The following sight distance to the vehicle mounted warning device for approaching
drivers shall be:
(A) In a residential street 75 m or to the end of the street; or
(B) Greater than 150 m in a 60 km/h or lower speed zone (non-residential); or
(C) Greater than 250 m elsewhere.
(iii) The vehicle mounted warning device shall not be obscured by either overhanging
vegetation or a raised truck body; and
(iv) The work shall not reduce (A) The overall width to less than required for safe passage for two-way traffic (or
one-way traffic in the volume is less than 50 vehicles per day); or
(B) The running lane width adjacent to a barrier line to less than that needed to allow
vehicles to proceed without crossing the line.
(C)
A lookout person shall be posted to warn workers on foot of the approach of any
vehicle whose size or speed may constitute a safety threat. The lookout person is
not required if the works are more than 1.2 m clear of moving traffic.
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Ergon Energy Corporation Limited ABN 50 087 646 062
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Where the requirements of this clause or another suitable clause of Section 4.4 cannot be met, a
static or mobile work site shall be used.
Examples of work appropriate for this treatment includes but is not limited to:
(a)
(b)
(c)
maintenance;
installation; and
maintenance and installation of power poles.
4.4.5 Works on medians, verges and footpaths
The following works may be carried out without any support vehicle on the roadway, subject to the
work duration being limited to a single shift and to the conditions listed in Items (i) and (ii). Items (i)
and (ii) are not applicable if the work area is protected by a shadow (support) vehicle and a risk
assessment, as required, has been undertaken.
(a)
(b)
(c)
(d)
(e)
(f)
(g)
(h)
(i)
median and verge mowing, and related activities such as tilling, seeding and weed spraying
works on a footpath
garden maintenance
mowing and litter activities
graffiti removal
minor tree clearing
minor cleaning of culverts, pipes and pits
herbicide spraying
road edge guide post repairs
The following conditions shall be met:
(i) Large plant items only (see Note to Clause 4.4.3).
Where there are no workers on foot, the relationship between speed limit and clearance to
edge of traffic lane shall be as follows:
(A) Speed limit 90 km/h or more - clearance shall be greater than 1.2 m.
(B) Speed limit 80 km/h or less - clearance may be less than 1.2 m but plant items shall
not encroach onto the traffic lane.
(ii) Workers on foot or small items of plant
Where there are workers on foot or small items of plant, or both, the work method shall be
restricted to one of the following:
(A) The speed limit is 60 km/h or less and the work area does not encroach onto a moving
traffic lane.
(B) The speed limit is 80 km/h or less and the clearance to edge of traffic lane is at least
1.2 m.
(C) The entire work area is at least 3 m clear of a moving traffic lane.
The Worker (symbolic) (T1-5) sign or ROAD PLANT AHEAD (T1-3) shall be displayed respectively,
when either workers on foot or plant items alone are present and working closer than 3 m to a
moving traffic lane.
Note:
A static or mobile work site will be required if these conditions cannot be met (see Clause
4.4.1).
4.4.6 Work between gaps in traffic
Work which is of such short duration that it can be carried out within gaps in traffic may be done
without advance signs or delineation provided that –
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(a)
(b)
a lookout person who can see approaching traffic in time to warn workers to vacate the
roadway before its arrival is posted; and
work vehicles and equipment are parked clear of moving traffic lanes.
A vehicle mounted warning device shall be displayed on the work vehicle.
Note:
This activity is not recommended where traffic lane volumes exceed 100 vehicles per hour
unless significant gaps are being created by upstream traffic control such as intersection
traffic signals.
4.5 Works on Unsealed Roads
4.5.1 General
The following treatments are permitted on unsealed roads in recognition of the generally lower
volumes and traffic speeds encountered on those roads than on sealed roads and the need to be
economical in the expenditure of resources on these low usage facilities. Since they could be seen
as a partial relaxation of safety standards, it is vital that a risk assessment (see Clause 2.2.3) be
made of the proposed adoption of these treatments in particular environments taking particular
account of factors such as traffic volume and speed, road geometry, width and surface condition,
and the general behaviour of road users.
The treatments shall not be applied to any road which would normally be sealed but has been left
unsealed either temporarily or permanently due to, for example, economic or climatic factors or is
in the process of construction or reconstruction as a sealed road.
4.5.3 Short term partial road closures
The following apply to the treatment of short term partial road closures:
(a) Omission of advance signs
Advance signs may be omitted provided that (i)
The vehicle mounted warning device on the work vehicle can be seen by
approaching traffic
(ii)
For at least 250 m;
(iii)
No traffic controller is required in accordance with Clause 4.13.1(i); and (iii) either (A) Traffic volumes are 20 VPD or less; or
(B) There is room for two-way traffic past the work area, or both
(b) Using a single traffic controller
Traffic control is required and may be performed by a single traffic controller under the
following conditions:
(iv)
There is a single lane section not exceeding 50 m in length.
(v)
Traffic volumes are not more than 20 VPH.
(vi)
The traffic controller has a good view of traffic approaching from both directions
when stationed at one end of the job.
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(d) Other cases
Situations not meeting the conditions set out in Items (a) or (b) shall be treated in the same
way as sealed roads.
4.7. Advance and Termination Warning Signs
4.7.4 Advance warning distances
Where there is only one advance sign, it shall be placed at 2D (see Table 4.2) metres from the
work area for approach posted speed of 60 km/h or more, or D for approach posted speed less
than 60 km/h.
This distance shall be measured from the sign position to the beginning of the taper area (see
Clause 4.1.4) or beginning of a diversion associated with the work site.
Where there is more than one advance sign position (e.g. see Figure 4.6(b)), the advance signs
nearest the work area shall be placed D from the beginning of the taper area or diversion and other
advance sign positions at successive spacing’s of D further in advance of the work area.
Advance sign distances for mobile works are specified in Clause 4.6.3.
4.13 Maintaining Traffic Flow
4.13.4 Edge clearances
Clearance between edge of traffic lane and delineating devices or road safety barrier system shall
be as below. This clearance shall be measured to the traffic-side edge of delineating devices or
barrier. This edge shall also be the line from which clearances to the work area are measured for
the purpose of determining treatments in Clause 4.2.
(a)
(b)
(c)
Edge of traffic lane to line of traffic cones, bollards or longitudinal channelising barricades –
(i)
posted speed limit during roadworks up to 60 km/h - 0.5 m; and
(ii) posted speed limit during roadworks above 60 km/h - 1.0 m.
Edge of traffic lane to roadworks delineators or temporary hazard markers - 1.0 m.
Edge of traffic lane to road safety barrier system –
(i)
posted speed limit during roadworks 40 km/h or less - 0.3 m;
(ii) posted speed limit during roadworks 50 to 80 km/h - 0.5 m; and
(iii) posted speed limit during roadworks greater than 80 km/h - 1.0 m.
In the absence of marked lines on the pavement these clearances shall be added to the nominal
lane widths provided according to Clause 4.13.3.
If the edge of the traffic lane is kerbed, delineation devices shall be placed 0.3 to 0.5 m clear
behind the face of kerb.
Note:
Road safety barriers should not be placed behind kerbs on roads with a speed limit of 80
km/h and above.
Containment fences marking the limit of work area shall be placed as specified in Clause 4.2.
Clearances adjacent to excavations are given in Appendix E
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Ergon Energy Corporation Limited ABN 50 087 646 062
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Working on Roadways Manual
4.13.5 Work in residential streets
Where work is in residential streets, the following should be observed:
(a)
(b)
(c)
(d)
If the remaining clear roadway width is 5.5 m or more, two-way operation should be
maintained. If 5.5 m cannot be maintained, the width should be reduced to a maximum of 3.5
m to ensure vehicles operate in single file under shuttle working conditions. The need to
accommodate the swept path of large vehicles negotiating a work site should also be
considered.
The normal method of traffic operation for shuttle working will be a natural ‘give and take’,
provided that there is clear visibility past the work area and beyond it for at least 75 m or to
the end of the roadway if less than 75 m away and the length of shuttle lane does not exceed
60 m.
If these conditions cannot be maintained active traffic control will be required i.e. traffic
controllers, or temporary or portable traffic signals.
The length of the approach taper should be approximately 15 m where two-way operation is
maintained. Where shuttle working under natural give and take is in operation, the taper
should be at 45 degrees on both the approach and departure sides of the works.
The need for advance warning should be determined in accordance with Clause 4.7.1.
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Ergon Energy Corporation Limited ABN 50 087 646 062
Ergon Energy Queensland Pty Ltd ABN 11 121 177 802
Reference BS001409R100 Ver 6