Raising the Bar
Managing Temporary Traffic
Management Incursions
Nick Balsdon – Highways England Senior
H&S Advisor
Definition of an incursion
An intentional unauthorised entry into
temporary traffic management by members
of the public or emergency services.
Four steps to preventing incursions
1. ASSESS
Identify the risk of incursions
and where they are likely to
happen
3. IMPLEMENT
Implement the design
measures that address the
identified risks of incursions
2. ADDRESS
Address the incursion risk using the ERIC
principles:
Eliminate the risk
Reduce the likelihood
Isolate your workers from the incursion
Control the risk
4. MONITOR
Record the number and type
of incursions
Managing Temporary Traffic Management Incursions
Optimum location of works access
Initial and secondary
closure points
Use of CCTV
Additional signs
Use of more
substantial TTM
TTM designers should consider
Text message
alert systems
Use of technology
Communication with
members of the public
Minimising the number
of works access
Maintenance of TTM
Use of Airlocks
Minimum requirements
 TTM designers consider all
appropriate incursion
mitigation measures at the
design stage
 Where practicable, the use of
‘airlocks’ to prevent
unauthorised access
 Maintenance regime for TTM
including the incursion
prevention measures
 Public information
 Driver education
Works vehicle in an airlock
Desirable requirements
 Use of site marshals
 Personal/temporary CCTV
cameras
 Provision of signage over and
above that in the Traffic Signs
Manual Chapter 8
CCTV video badge
 Use of enhanced technology
 Text message alert systems
 Police support for
enforcement action
Warning system to alert road
workers to an incursion
Additional best practice examples
If you are aware of other incursion best practice examples not currently
included in this document please contact either:
David Roffe – Kier Strategic Highways Professional Head of Health,
Safety and Environment [email protected]
Nick Balsdon – Highways England Senior H&S Advisor
[email protected]