State Oversize Permits & Escorts Information


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Nevada DOT Phone Number: (800) 552-2127

DOT Website

PERMITS: Nevada oversize permits are valid for five days. Must have permit prior to entering the state.

OPERATING TIME: 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. Night, weekend, and holiday travel must be requested.

RESTRICTED TRAVEL: For loads exceeding 14′ wide, 15′ high, 110′ long, and 15′ overhang can travel weekends but if over 12′ W cannot travel on I-80 between Reno and CA 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.

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  • 53′ semi-trailer
  • 75’maximum length (including rear overhang)

Overhang: 10′, (as long as length including overhang does not exceed 75′).

Width: 8′-6″

Height: 18′

Weight: 80,000 Gross

  • Single – 20,000
  • Tandem – 34,000
  • Tridem – 42,000

Length: No max, each trip is at state’s discretion.

Overhang: No maximum overhang if on permitted load.

Width: 17′

Height: 16′


  • 92,000 (5 axles)
  • 96,000 (6 axles)
  • 101,000 (7 axles)
  • Single – 20,000*
  • Tandem – 46,725*
  • Tridem – 58,000 to 59,000*
  • *Quad – Depends on spacings

*Depends on spacings

Note: 58,000-59,000 pounds is the tridem “bonus weight” in Nevada and is now allowed on one or two tridems. Additional tridems would get around 51,000 pounds. A Tridem drive on a tractor can be permitted for the bonus weight (as one of the two tridems) as long as the spacing from the steer axle to center of middle drive axles is at least 18 feet. Loads in excess of these dimensions are reviewed on individual basis only.


On Interstate and 4 or more lane highways:

Length: Over 110′ –  one escort

Overhang: Over 25′ rear – one escort


  • Over 14′ – one escort
  • Over 16′ – two escorts
  • Over 17′ – may require two escorts and Highway Patrol

Height: Over 15’6″ – one high-pole escort

On 2-lane highways:

Length: Over 110′ – one escort

Overhang: Over 25′ – one escort


  • Over 12′ – one escort
  • Over 14′ – two escorts
  • Over 16′ – three escorts
  • Over 17′ – reviewed on individual basis, may require two escorts and Highway Patrol.
  • Hoover Dam area: width 8′-6″ to 10′ (maximum allowed) – two escorts.

Height: Over 15′-6″ – one high-pole escort

SIGNS, FLAGS & LIGHTS: All vehicles in excess of 8′-6″ width must display “Oversize Load” signs front and rear.  Headlights must be on low beam. Signs shall only be displayed when necessary. Over 4′ overhang should display flag.

NV 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.  If you do not have a current amber light permit, the light must be covered (or removed) or you can be ticketed.

SEASONAL LOAD (WEIGHT) RESTRICTIONS: Spring thaw weight restrictions exist on some secondary routes approximately February through April.

Important Notice:
The following is provided for informational purposes only. We do not procure or arrange permits on behalf of carriers or discuss permit and escort requirements for particular shipments. The following links provide general guidelines for oversize permits and escorts for heavy haul shipping by state/province. State regulations are subject to change; If you find inaccurate information, please let us know, and we will update the page accordingly.