37 Pre-Crash Scenarios
All Light-Vehicle (LV) Crashes (5,726,000)           Unimpaired LV Crashes (5,355,000)
22 V2V Pre-Crash Scenarios
 4,336,000 LV Crashes
(76% of All LV Crashes, 81% of Unimpaired  LV Crashes)
15 V2I or Single Vehicle
Pre-Crash Scenarios
24% of All LV Crashes
19% of Unimpaired LV Crashes
Not Used
17 Target V2V Scenarios
3,662,000 LV Crashes
 (64% of All, 68% of Unimpaired)
5 Rear-End                  2 Opposite Direction
3 Lane Change            3 Junction Crossing
2 LTAP/OD (all intersections)
2 Traffic Control Device Violation
5 V2V
Pre-Crash Scenarios
12% of All LV Crashes
13% of Unimpaired LV Crashes)
Not Used
2 Control Loss
1 Backing
1 Parking
1 Other
10 Priority Scenarios
3,224,000 LV Crashes
(56% of All, 60% of Unimpaired)
3 Rear-End                       3 Lane Change
2 Opposite Direction         1 LTAP/OD
1 Junction Crossing
Target V2V Crashes
4
W.G. Najm, J.D. Smith, and M. Yanagisawa, Pre-Crash Scenario Typology for Crash Avoidance Research. DOT HS 810 767, U.S. Department of Transportation, National Highway Traffic Safety Administration, Washington, DC, April 2007.