VEHICLE MILES OF TRAVEL (VMT, VEHICLE KILOMETERS OF TRAVEL)

1. On highways, a measurement of the total miles (kilometers) traveled by all vehicles in the area for a specified time period. It is calculated by the number of vehicles times the miles (kilometers) traveled in a given area or on a given highway during the time period. 2. In transit, the number of vehicle miles (kilometers) operated on a given route or line or network during a specified time period. (TRB)