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9.  Default Tables

9.1  Default Percentage Distributions for Crash Severity Level and for Crash Type and Manner of Collision

Table 13.:  Default Percentage Distributions for Crash Severity Level and for Crash Type and Manner of Collision
Crash severity level
 Highway segmentsa
 Three-leg intersectionsb with minor-road STOP control
 Four-leg intersectionsb with minor-road STOP control
 Four-leg signalized intersectionsb
Fatal
 1.3
 1.1
 1.9
 0.4
Incapacitating Injury
 5.4
 5.0
 6.3
 4.1
Nonincapacitating injury
 10.9
 15.2
 12.8
 12.0
Possible injury
 14.5
 18.5
 20.7
 21.2
Total fatal plus injury
 32.1
 39.8
 41.7
 37.7
Property-damage-only
 67.9
 60.2
 58.3
 62.3
TOTAL
 100.0
 100.0
 100.0
 100.0



a Based on HSIS data for Illinois (1992), Michigan (1995), Minnesota (1996), and North Carolina (1995).
b Based on HSIS data for Michigan (1995) and Minnesota (1996).

9.2  Default Percentage Distributions for Crash Type and Manner of Collision on Rural Two-Lane Highways

Table 14.:  Default Percentage Distributions for Crash Type and Manner of Collision on Rural Two-Lane Highways
Crash type and manner of collision
 Highway segmentsa
 Three-leg intersectionsb with minor-road STOP control
 Four-leg intersectionsb with minor-road STOP control
 Four-leg signalized intersectionsb
SINGLE-VEHICLE CRASHES
  
  
  
  
Collision with animal
 30.9
 2.1
 0.6
 0.3
Collision with bicycle
 0.3
 0.7
 0.3
 1.0
Collision with parked vehicle
 0.7
 0.1
 0.1
 0.1
Collision with pedestrian
 0.5
 0.4
 0.2
 1.3
Overturned
 2.3
 2.1
 0.6
 0.4
Ran off road
 28.1
 10.4
 4.5
 1.9
Other single-vehicle accident
 3.6
 3.9
 1.4
 1.6
Total single-vehicle accidents
 66.3
 19.7
 7.7
 6.6
MULTIPLE-VEHICLE CRASHES
  
  
  
  
Angle collision
 3.9
 29.8
 51.4
 28.5
Head-on collision
 1.9
 2.0
 1.4
 1.8
Left-turn collision
 4.2
 6.4
 5.9
 9.0
Right-turn collision
 0.6
 0.4
 0.2
 0.4
Rear-end collision
 13.9
 26.2
 17.2
 36.2
Sideswipe opposite-direction collision
 2.4
 2.9
 1.7
 2.0
Sideswipe same-direction collision
 2.6
 4.5
 4.4
 5.5
Other multiple-vehicle collision
 4.1
 8.1
 10.1
 10.0
Total multiple-vehicle accidents
 33.7
 92.3
 93.4
 TOTAL CRASHES



a Based on HSIS data for Illinois (1992), Michigan (1995), Minnesota (1996), and North Carolina (1995).
b Based on HSIS data for Michigan (1995) and Minnesota (1996).


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