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 (P21).)
Uniquely identifies each motor vehicle unit involved in the crash. Permits occupants to be assigned to the appropriate motor vehicle.
Motor Vehicle In Transport - A motor vehicle is any motorized (mechanically or electrically powered) road vehicle not operated on rails. When applied to motor vehicles, “in-transport” refers to being in motion or on a roadway. Inclusions: motor vehicle in traffic on a highway, driverless motor vehicle in motion, motionless motor vehicle abandoned on a roadway, disabled motor vehicle on a roadway, etc.
In Motion on the Trafficway
Stopped on the Roadway
Parked Motor Vehicle - A parked motor vehicle is a motor vehicle not in-transport, other than a working motor vehicle, that is not in motion and not located on the roadway. In roadway lanes used for travel during some periods and for parking during other periods, a parked motor vehicle should be considered to be in-transport during periods when parking is forbidden. Any stopped motor vehicle where the entirety of the vehicle’s primary outline as defined by the four sides of the vehicle (e.g., tires, bumpers, fenders) and load, if any, is not within the roadway is parked.
Parked Motor Vehicle (from a State Police Instruction Manual) - a transport motor vehicle outside the area designated as the roadway and not moving. If any portion of the motor vehicle is on a roadway it is not parked.
Working Vehicle / Equipment - A motor vehicle in the act of performing construction, maintenance, or utility work related to the trafficway. This “work” may be located within open or closed portions of the trafficway and motor vehicles performing these activities can be within or outside of the trafficway boundaries.
Motor Vehicle Used as Equipment (from a State Police Instruction Manual) - an example is a snowplow plowing snow or salting/sanding highways. Others are gravel trucks while dumping their load, pavement packers while packing, etc. When these motor vehicles are not being used as equipment and are being used only as transport vehicles moving persons and property from one place to another, they are "motor vehicles in transport".
