Section 3
Detailed Review of Most
Frequent Severe Crash Types
Crashes are categorized into a variety of types. The definitions and explanations are
detailed below:
Approach Turn
Two vehicles traveling in opposite directions, one turns left (or attempts a
U-turn) in front of the oncoming vehicle and is struck.
Bicycle
Any crash that involves a cyclist.
Fixed Object
A single vehicle crash where a fixed object other than a parked vehicle is
struck.
Overtaking Turn
Two vehicles traveling in the same direction, the front vehicle turns right
or left and is hit as the following vehicle tries to pass on the right or left.
Parking Related
Any crash involving a parked vehicle or a vehicle entering/leaving a
parking space.
Pedestrian
Any crash that involves a pedestrian.
Rear End
Two vehicles traveling in the same direction, leading vehicle struck by
following vehicle.
Right Angle
Two vehicles traveling on perpendicular streets one fails to yield or
passes a traffic control device and strikes the other.
Sideswipe Opposite Direction (also side to side opposite)
Two vehicles traveling in opposite directions, one veers into the wrong
lane and strikes the side of the other car. This often occurs where a
vehicle waiting at a STOP sign or traffic signal is struck by a vehicle
turning right from a perpendicular road onto the road of the stopped car.
Sideswipe Same Direction (also side to side same)
Two vehicles traveling the same direction, one vehicle veers into the
other striking it in the side (usually due to improper lane changes).
Other
Other crashes that do not fit into any other category.
Annual Roadway Safety Report
14
Crash Types by Severity
All Crashes by Type 2012 – 2016
Rear end crashes make up nearly half
of all crashes. Right angle, side to
side, approach turn, and parking
related crashes are the next most
common types of crashes in the CIty.
They account for about 80% of all
reported crashes in Fort Collins.
Side to SideOpposite
Direction
1%
Pedestrian
1%
Overtaking
Turn
2%
Other
4%
Bicycle
4%
Fixed Object
8%
Rear End
44%
Parking
Related
8%
Approach Turn
8%
Right
Angle
11%
Side to SideSame
Direction
9%
Figure 19
All Crashes by Type
(2012 – 2016)
Severe Crashes by Type 2012 – 2016
While all traffic crashes are of concern,
severe crashes (those involving nonincapacitating injuries, incapacitating
injuries or fatalities) are of special
concern. Bicycle, rear end, right angle,
approach turn, fixed object, and
pedestrian crashes account for more
than 86% of the severe crashes in Fort
Collins. These six crash types are
discussed in more detail in subsequent
pages.
Note that while bicycle and pedestrian
crashes make up only about 5% of
total crashes they make up 31% of
severe crashes.
Side to SideSame
Direction
2%
Parking
Related
2%
Overtaking
Turn
1%
Side to SideOpposite
Direction
0.5%
Other
8%
Bicycle
23%
Pedestrian
9%
Fixed Object
11%
Right Angle
15%
Approach
Turn
14%
Rear End
15%
Figure 20
Severe Crashes by
Type (2012 – 2016)
Annual Roadway Safety Report
15
All Crash Types
W LAUREL ST
W ELIZABETH ST
REMINGTON ST
S MASON ST
W MULBERRY ST
W PROSPECT RD
S LEMAY AVE
D
AR
K
AL
W
R
D
E COUNTY ROAD 36
E TRILBY RD
1:41,016
0.125 0.25
0.5
0.75
1
Miles
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39-91
ZIEGLER RD
ZIEGLER RD
E HARMONY RD
W HARMONY RD
S LEMAY AVE
0
N TIMBERLINE RD
E HORSETOOTH RD
W TRILBY RD
Scale
E MULBERRY ST
E DRAKE RD
BO
E
S SHIELDS ST
AV
E
NA
VE
ZIEGLER RD
W HORSETOOTH RD
S COLLEGE AVE
S TAFT HILL RD
INC
OL
E PROSPECT RD
W DRAKE RD
W COUNTY ROAD 38
EL
S TIMBERLINE RD
S OVERLAND TRL
RI
VE
RS
ID
E
E VINE DR
E
AY AV
LAPORTE AVE
IGA R
D
TURNBERRY RD
N COLLEGE AVE
N SHIELDS ST
W VINE DR
E SUN
N LEM
N OVERLAND TRL
W VINE DR
N TAFT HILL RD
W WILLOX LN E WILLOX LN
N LEMAY AVE
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Printed: 10/5/2016