Loads over 10 feet 6 inches (3.2 m) require a lead pilot vehicle. Loads over 12 feet 6 inches (3.8) require one pilot vehicle and one trail vehicle. Loads over 16 feet (4.88 m) may require in addition to pilot vehicles, a Yukon Government Carrier Compliance vehicle to accompany the load.
Where the height is such that wires have to be moved, one lead pilot vehicle is required in front of the load.
Loads over 90 feet (27.5 m) require one trail vehicle. Loads exceeding 118 feet 1 inch (36 m) require one pilot vehicle and one trail vehicle.
To the front of the load more than 9 feet 10 inches (3 m) beyond the kingpin or more than 21 feet 8 inches (6.6 m) beyond the vehicle turn center; or the rear projection is more than 21 feet 4 inches (6.5 m) from the center of the rear axle - one pilot vehicle is required in front of the load.