V20. Sequence of Events
Definition:
The events in sequence related to this motor vehicle, including both non-
collision as well as collision events. For examples, refer to Appendix L.
Element Attributes:
Subfield 1 - First Event
Non-Collision:
- Overturn/Rollover
- Fire/Explosion
- Immersion
- Jackknife
- Cargo/Equipment Loss or Shift
- Equipment Failure (blown tire, brake failure, etc.)
- Separation of Units
- Ran Off Roadway Right
- Ran Off Roadway Left
- Cross Median
- Cross Centerline
- Downhill Runaway
- Fell/Jumped From Motor Vehicle
- Reentering Roadway
- Thrown or Falling Object
- Other Non-Collision
Collision With Person, Motor Vehicle, or Non-Fixed Object:
- Pedestrian
- Pedalcycle
- Railway Vehicle (train, engine)
- Animal
- Motor Vehicle In Transport
- Parked Motor Vehicle
- Struck By Falling, Shifting Cargo or Anything Set in Motion By Motor Vehicle
- Work Zone/Maintenance Equipment
- Other Non-Fixed Object
Collision With Fixed Object:
- Impact Attenuator/Crash Cushion
- Bridge Overhead Structure
- Bridge Pier or Support
- Bridge Rail
- Cable Barrier
- Culvert
- Curb
- Ditch
- Embankment
- Guardrail Face
- Guardrail End
- Concrete Traffic Barrier
- Other Traffic Barrier
- Tree (standing)
- Utility Pole/Light Support
- Traffic Sign Support
- Traffic Signal Support
- Other Post, Pole, or Support
- Fence
- Mailbox
- Other Fixed Object (wall, building, tunnel, etc.)
- Unknown
Subfield 2 - Second Event
See attributes in Subfield 1
Subfield 3 - Third Event
See attributes in Subfield 1
Subfield 4 - Fourth Event
See attributes in Subfield 1
Rationale:
Important for use in conjunction with most harmful event and motor vehicle maneuver to generate complete information about the crash.
