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Roadway Information and
Traffic Monitoring System Program


Vehicle Classification

Scheme Descriptions

The vehicle classification scheme is a standard designation system for differentiating vehicle classes.

class 0 Unclassified vehicles which do not fit into any other classification.
Vehicles which do not activate the system sensors are also unclassified.
class 1 Motorcycles.All two- or three wheeled motorized vehicles.This category includes motorcycles, motor scooters, mopeds, and all three-wheel motorcycles.
class 2 Passenger Cars. All sedans, coupes, and station wagons manufactured primarily for purpose of carrying passengers.
class 3 Other two-axle, four-tire single units.Included in this classification are pickups, vans, campers, ambulances.
class 4 Buses. All vehicles manufactured as traditional passenger-carrying buses with two axles and six tires or three or more axles.
class 5 Two-Axle, Single Unit Trucks. All vehicles on a single frame including trucks, camping and recreation vehicles.
class 6 Three Axle Single Unit Trucks. All vehicles on a single frame including trucks, camping and recreational vehicles.
class 7 Four or more Axle Single Unit Trucks. All vehicles on a single frame with four or more axles.
class 8 Four or Less Axle Single Trailer Trucks. All vehicles with four or less axles consisting of two units, one of which is tractor or straight truck power unit.
class 9 Five-Axle Single Trailer Trucks. All five-axle vehicles consisting of two units, one of which is a tractor or straight truck power unit.
class 10 Six or More Axle Single Trailer Trucks. All vehicles with six or more axles consisting of two units, one of which is a tractor or straight truck power unit.
class 11 Five or Less Axle Multi-Trailer Trucks. All vehicles with five or less axles consisting of three or more units, one of which is a tractor or straight truck power unit.
class 12 Six Axle Multi-Trailer Trucks.All six-axle vehicles consisting of three or more units, one of which is a tractor or straight truck power unit
class 13 Seven or More Axle Multi-Trailer Trucks. All vehicles with seven or more axles consisting of three or more units, one of which is a tractor or straight truck power unit
 
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  Department of Transportation
  P.O. Box 600
  Trenton, NJ 08625-0600
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  Last Updated:  June 18, 2013