Who is required to register under the IRP?
Any vehicle that is used or intended for use in two or more member jurisdictions and that is used for the transportation of persons for hire or designed, used, or maintained primarily for the transportation of property, and:
(i) has two axles and a gross vehicle weight or registered gross vehicle weight in excess of 26,000 pounds (11,793.401 kilograms), or
(ii) has three or more axles, regardless of weight, or
(iii) is used in combination, when the gross vehicle weight of such combination exceeds 26,000 pounds (11,793.401 kilograms).
Exceptions: Recreational vehicles, vehicles displaying restricted plates, or government-owned vehicles.
Optional: Trucks or truck tractors, or combinations of vehicles having a gross vehicle weight of 26,000 pounds (11,793.401 kilograms), or less.
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