Definition:
Motor vehicle unit type and number assigned to uniquely identify each motor vehicle involved in the crash. This number is not assigned to pedestrians or bicyclists. (See Non-Motorist Number (P22).)
Element Attributes:
Subfield 1: Type
Motor Vehicle In Transport
Parked Motor Vehicle
Working Vehicle / Equipment
Subfield 2: Number
Rationale:
Uniquely identifies each motor vehicle unit involved in the crash. Permits occupants to be assigned to the appropriate motor vehicle.