Slow moving vehicle

• abstract: A slow moving vehicle (or SMV) is a vehicle or caravan of vehicles operated on a street or highway at speeds of less than 25 miles per hour or 40 kilometers per hour. An individual vehicle, a vehicle which is being towed, or caravans of vehicles, which are unable to reach the above speed, are required by law in both Canada and the United States to display a special reflective emblem sign (shown to the right) at the rear of the vehicle or vehicles, or on the rear vehicle in the caravan.

以上来源于: WordNet