Anchor: #i1032147

Section 8: Preventable Crash Decoding

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Introduction

The Preventable Crash Decoding Table in this section can be used to interpret the codes in the Highway Safety Improvement Program (HSIP) Work Codes Table found in Section 7 of this manual.

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Part of Roadway No. 1 Involved

Anchor: #i1113420

1

Main/Proper Lane

6

Detour

2

Service/Frontage Road

7

Other

3

Entrance/On Ramp

8

Transitway

4

Exit/Off Ramp

9

Transitway Ramp

5

Connector/Flyover

 



Anchor: #i1032166

Roadway Related

Anchor: #i1113425

1

On roadway

2

Off roadway

3

Shoulder

4

Median



Anchor: #i1032170

Intersection Related

Anchor: #i1113430

1

Intersection

2

Intersection related

3

Driveway access

4

Non-intersection



Anchor: #i1032174

First Harmful Event

Collision of a motor vehicle with:

Anchor: #i1113439

1

Pedestrian

5

Pedalcyclist

2

Another motor vehicle in transport

6

Animal

3

RR train

7

Fixed object

4

Parked car

8

Other object



Other than a collision:

Anchor: #i1113444

9

Other non-collision

10

Overturn



Anchor: #i1032186

Vehicle Movements & Manner of Collision

Two motor vehicles approaching at an angle:

Anchor: #i1113449

10

Both going straight

11

One straight, one backing

12

One straight, one stopped

13

One straight, one right turn

14

One straight, one left turn

15

Both right turn

16

One right turn, one left turn

17

One right turn, one stopped

18

Both left turn

19

One left turn, one stopped



Two motor vehicles going same direction:

Anchor: #i1113454

20

Both going straight – rear end

21

Both going straight – sideswipe

22

One straight, one stopped

23

One straight, one right turn

24

One straight, one left turn

25

Both right turn

26

One right turn, one left turn

27

One right turn, one stopped

28

Both left turn

29

One left turn, one stopped



Two motor vehicles going opposite directions:

Anchor: #i1113459

30

Both going straight

31

One straight, one backing

32

One straight, one stopped

33

One straight, one right turn

34

One straight, one left turn

35

One backing, one stopped

36

One right turn, one left turn

37

One right turn, one stopped

38

Both left turn

39

One left turn, one stopped



Two motor vehicles — other:

Anchor: #i1113464

40

One straight, one entering or leaving parking space

41

One right turn, one entering or leaving parking space

42

One left turn, one entering or leaving parking space

43

One entering or leaving parking space, one stopped

44

Both entering or leaving parking space

45

Both vehicles backing

46

All others



Movement of vehicle in other than motor-with-motor crashes:

Anchor: #i1113469

1

Vehicle going straight

2

Vehicle turning right

3

Vehicle turning left

4

Vehicle backing

5

Other



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Object Struck

Anchor: #i1113474

00

No code shown is applicable

01

Vehicle overturned

02

Vehicle hit hole in road

03

Vehicle jackknifed

04

Person fell or jumped from vehicle

09

Vehicle hit train on tracks parallel to road – no crossing

10

Vehicle hit train moving forward

11

Vehicle hit train backing

12

Vehicle hit train standing still

13

Vehicle hit train – action unknown

20

Vehicle hit highway sign

21

Vehicle hit curb

22

Vehicle hit culvert – headwall

23

Vehicle hit guardrail

24

Vehicle hit railroad signal pole or post

25

Vehicle hit railroad crossing gates

26

Vehicle hit traffic signal pole or post

27

Vehicle hit overhead signal light, wires, sign, etc.

28

Vehicle hit work zone barricade, cones, signs or material

29

Vehicle hit luminaire pole

30

Vehicle hit utility pole

31

Vehicle hit mailbox

32

Vehicle hit tree or shrub

33

Vehicle hit fence

34

Vehicle hit house, building or building fixture

35

Vehicle hit commercial sign

36

Vehicle hit other fixed object

37

Vehicle hit bus stop structure

38

Vehicle hit work zone machinery or stockpiled materials

39

Vehicle hit median barrier

40

Vehicle hit end of bridge (abutment or rail end)

41

Vehicle hit side of bridge (bridge rail)

42

Vehicle hit pier or support at underpass, tunnel or overhead sign bridge

43

Vehicle hit top of underpass or tunnel

44

Vehicle hit bridge crossing gate

45

Vehicle hit attenuation device

49

Vehicle hit by falling/blowing rocks from a truck

50

Vehicle hit fallen trees or debris on road

51

Vehicle hit object from another vehicle in road

52

Vehicle hit previously wrecked vehicle

53

Vehicle hit toll booth

54

Vehicle hit other machinery

55

Vehicle hit other object

56

Vehicle hit concrete traffic barrier

57

Vehicle hit delineator or marker post

58

Vehicle hit retaining wall

59

Vehicle hit HOV lane gate

60

Vehicle hit guard post

61

Fire hydrant

62

Ditch (long narrow excavation dug in earth)

63

Embankment (a raised strip of land or berm)

64

Not Applicable

65

Not Reported



Anchor: #i1032214

Bridge Detail

Anchor: #i1113479

1

Vehicle retained on bridge or overpass

2

Vehicle went through rail

3

Vehicle went over rail

4

Crash involved underpass

5

Vehicle went between parallel structures

6

Structure not hit

7

Result Unknown

8

Not Applicable

9

Not Reported



Anchor: #i1032218

Other Factor

Anchor: #i1113484

00

No code shown is applicable

01

Lost control or skidded (icy or slick road, etc.)

02

Passenger interfered with driver

03

Attention diverted from driving (delayed perception or lack of alertness)

04

Open door or object projecting from vehicle

05

Foot slipped off clutch or brake

06

Gusty winds

07

Vehicle passing or attempting to pass on left

08

Vehicle passing or attempting to pass on right

09

Vehicle changing lanes

10

One car parked improper location

11

One car forward from parking

12

One car backward from parking

13

One car entering driveway

14

One car leaving driveway

54

Not Applicable

55

Not Reported

56

Road rage



Vision obstructed by:

Anchor: #i1113493

16

Standing or parked vehicle

21

Headlight or sun glare

17

Moving vehicle

22

Hillcrest

18

Embankment or ledge

23

Trees, shrubs, weeds, etc.

19

Commercial sign

24

Other visual obstructions

20

Highway sign

 

 



Vehicle swerved or veered from intended course:

Anchor: #i1113498

25

Reason not specified

26

For surface or visibility

27

For officer, watchman, flagman, or traffic control device (unable to stop, etc.)

28

Avoiding pedestrian, pedalcyclist, etc. in road

29

Avoiding animal in road

30

Avoiding object in road

31

Avoiding vehicle stopped or moving slowly in traffic lane

32

Avoiding vehicle entering road

33

Avoiding vehicle from opposite direction in wrong lane

34

Avoiding previous crash

35

Avoiding vehicle passing, changing lanes



Vehicle slowing, stopping, or stopped on road:

Anchor: #i1113503

36

Reason not specified

37

Because of surface or visibility

38

For officer, watchman, flagman, or traffic control device

39

For pedestrian, pedalcyclist, etc. in road

40

For animal in road

41

For object in road

42

For traffic

43

To avoid vehicle entering road

44

To avoid vehicle from opposite direction in wrong lane

45

To avoid previous crash

46

To make right turn

47

To make left turn



School bus related crash:

Anchor: #i1113508

48

School bus related crash



Construction related:

Anchor: #i1113513

49

Within posted road construction zone (not related to crash)

50

Within posted road construction zone (related to crash)

51

In other construction maintenance area (not related to crash)

52

In other construction maintenance area (related to crash)



Beach related:

Anchor: #i1113518

53

Crash occurred on a beach



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Light Condition

Anchor: #i1113527

0

Unknown

4

Darkness – lighted

1

Daylight

5

Dusk

2

Dawn

6

Darkness, unknown lighting

3

Darkness – not lighted

8

Other



Anchor: #i1032250

Surface Condition

Anchor: #i1113536

0

Unknown

6

Ice

1

Dry

7

Muddy

2

Wet

8

Other

3

Standing Water

9

Snow

4

Snowy/Icy

10

Sand, Mud, Dirt

5

Slush

 

 



Anchor: #i1032254

Vehicle Body Style

Anchor: #i1113541

87

Truck - Tractor

91

Semitrailer



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