Nevada Oversize Permit, Wide and Heavy Haul Information

Oversize vehicles are permitted to operate one-half hour before sunrise to one-half hour after sunset. Loads that do not exceed 12 feet in width, 15 feet in height, and 110 feet in length are allowed night travel, and those that do not exceed 14 feet wide, 15 feet high, and 110 feet long are allowed to travel on weekends except for restricted areas.

Loads wider than 12 feet, higher than 15 feet, and longer than 110 feet cannot travel on the weekends on I-15 between Las Vegas and California lines or on I-80 between Sparks and California lines. Las Vegas, Reno, and other cities do not have a weekday curfew. Loads that do not exceed 12 feet wide, 15 feet high, or 110 feet in length are usually permitted for holiday travel.

There are seasonal weight restrictions on several secondary routes from around February through April due to spring thaw. For the safety of other drivers on the road, flags, lights, and signs may be required on oversized loads. In the state of Nevada, all vehicles that exceed 8 feet 6 inches in width need to display oversized signs on both the front and rear. Signs are only displayed when necessary. Overhangs that exceed 4 feet need to display a flag. Headlights need to be run on low beams. Nevada has a law regarding flashing revolving amber warning lights. To have this light uncovered or running, You must obtain a Nevada Light Permit, or drivers can be ticketed. Oversize permits in Nevada are valid for 5 days only and must be active when entering the state. You can obtain permits by calling the Permits Office at (800) 552-2127 or by visiting https://www.dot.nv.gov/doing-business/commercial-vehicles/commercial-vehicle-permits.