Roadway Characteristics
This section summarizes crashes by roadway characteristics to see if any of them are associated with a higher percentage of overall and KSI crashes. Crash Location (Intersection vs. Segment) This section summarizes crash frequencies by location type for all modes, all crashes, and VRU crashes. A crash was identified as an intersection crash if it occurred within the boundaries of an intersection, if the first harmful event occurred on an approach to or exit from an intersection, or if it resulted from an activity or behavior related to the movement of traffic units through the intersection. All modes crashes occurred more often on roadway segments ( Figure 11 and Table 16 ). Segment crashes accounted for 56.8% of all crashes and 65.9% of KSI crashes. Intersection crashes made up slightly more than 43% of overall crashes and an even smaller share of KSI crashes, at 34%. Crashes that happened at intersections seem less likely to cause severe outcomes compared to those happened along roadway segments (3% vs 4.4%).
Percentage of Crashes across all modes by Location
70%
0.0% 0.5% 1.0% 1.5% 2.0% 2.5% 3.0% 3.5% 4.0% 4.5% 5.0%
4.4%
60%
50%
3.0%
40%
65.9%
30%
56.8%
43.2%
20%
34.1%
10%
0%
Intersection
Segment
% of All Crashes
% of KSI Crashes
% of Crashes Resulted in KSI
Figure 11: Percentage of All Modes Crashes by Location, 2019-2023
23
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