Right Angle Crashes
Right angle crashes occur at intersections when vehicles arrive on perpendicular roads
and collide. There are two main types of right angle crashes – one where entering traffic
has stopped, and one where entering traffic disregards a stop or signal.
Failure to yield after stopping –Typical contributing factors to these crashes include sight
obstructions such as fences, trees, shrubs, parked cars, or approaching vehicles that
prevent the stopped driver from seeing conflicting traffic. The illustration below shows an
example where right turning traffic on the main street limits visibility for motorists stopped
at a STOP sign or signal on the side street, effectively hiding approaching traffic in the
through lanes.
Figure 32
Depiction of typical
right angle crash
Passing a signal/STOP sign without stopping - Typical contributing factors to these
crashes include inattention, wide streets (that make STOP signs less visible), “busy”
areas where numerous distractions tend to make traffic control devices blend in or
become less obvious, and icy roads.
Right Angle Crashes by Type and Location (2012 – 2016)
As shown, almost two-thirds (63%) of right angle crashes occur where someone stops
but then proceeds into oncoming traffic (shades of blue in the chart). Most of the
remaining crashes (35%) are the result of a motorist running a red light or stop sign
(shades of brown).
Ran stop sign
7%
Ran red light
29%
FTY after
stopping
(signal)
8%
Annual Roadway Safety Report
Roundabout
1%
Figure 33
FTY after
stopping
(unsignalized
intersection)
32%
Right angle crashes by
type (2012-2016)
FTY = Failure to Yield
FTY after
stopping
(alley/driveway)
23%
22
Right Angle Crashes
W LAUREL ST
W PROSPECT RD
S LEMAY AVE
D
AR
K
AL
W
R
D
ZIEGLER RD
ZIEGLER RD
E HARMONY RD
W HARMONY RD
E COUNTY ROAD 36
S LEMAY AVE
0
N TIMBERLINE RD
E HORSETOOTH RD
E TRILBY 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
W ELIZABETH ST
REMINGTON ST
S MASON ST
W MULBERRY ST
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
1/1/2011-12/31/2015
1:41,016
0.125 0.25
0.5
0.75
1
Miles
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Printed: 10/5/2016