Overlength limits vary depending on the type and the configuration of vehicle, but the overall maximum forward distance (i.e. the length from the front of the vehicle to the centre axis of the rear axle set) is , the overall maximum single vehicle length is  (some buses can be longer), and the overall maximum combination length is .
Overlength limits vary based on the type and configuration of a vehicle, but the maximum forward distance (from the front to the rear axle center) is , the maximum single vehicle length is (some buses are longer), and the maximum combined length is .