Commercial vehicles have a maximum width restriction of 102 inches. No more than three inches is allowed beyond the 102-inch limitation on each side if the equipment is attached to the vehicle. Items not subject to width requirements include rear view mirrors, turn signal lamps, handholds, splash and spray suppressant devices, load induced tire bulge, and manufacturer installed paraphernalia.
The vehicle, including the load, has a 15-foot maximum. There is a 17-foot exception when the vehicle is operating between the Weigh Station and Prudhoe Bay on the Dalton and Elliot Highways.
Commercial vehicles have a maximum length of 45 feet on highways, a maximum cargo carrying length of 53 feet, and 75 feet of longer combination vehicles (LCV). LCVs must adhere to 17 AAC 25.014. Neither the load nor the equipment may extend over three feet past the front bumper or four feet beyond the rear bumper.
Weight on a steer tire may not exceed 600 pounds per linear inch of tire width. All other tires may not exceed 550 pounds per linear inch. Weight on an axle may not exceed manufacturer ratings.
In multi axle groups, all axles must carry at least 6,000 pounds if the axle group weight is more than 50 percent of the legal group weight.
Drivers must use the most direct route whenever possible. Any commercial vehicle traveling off from state highways are subject to all local ordinances.
The heaviest trailer must be immediately behind the power unit.
While moving, an LCV must stop during inclement weather and display oversize signs at the rear of the vehicle and it must have headlights on at all times.