Nevada oversize permits are valid for 5 days. Driver must have an overweight permit prior to entering the state.
One-half hour before sunrise to one-half hour after sunset, plus the following exceptions: Loads not exceeding 12 wide, 15′ high, 110′ long are permitted for night travel. Loads not exceeding 14′ wide, 15′ high, 110′ long, are permitted for weekend travel except in restricted areas noted in next section.
No travel is allowed on major holidays and holiday weekends. For loads exceeding 12′ wide, 15′ high, 110′ long, no weekend travel is allowed on I-80 between Sparks and California line or on I-15 between Las Vegas (exit 33) and California line. There are no weekday curfews for Las Vegas, Reno or other cities. Holiday travel is usually permitted for loads not exceeding 12 wide, 15′ high, 110′ long.
Interstate routes - 70 mph. Non-interstate routes - 65mph. unless otherwise specified on permit.
The vehicle must have the following characteristics:
On Interstate and 4 or more lane highway:
On 2 or 3-lane highway:
All oversized vehicles must display “Oversize Load” signs in the front and rear. Flags must be placed on all 4 corners of the load and at the maximum widths when the load is wider that vehicle. Over 4′ overhang should also display flags. Headlights must be on low beam. Signs and flags shall only be displayed when necessary.
NEVADA LIGHT PERMIT: You must have a Nevada Light Permit to run flashing revolving amber warning light(s) or even to travel with it turned off but uncovered.