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Nevada Oversize/Overweight Permits

 

NevadaPERMITS: Nevada oversize permits are valid for five days. Must have a permit when 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.

LEGAL DIMENSIONS

Width: 8’6″
Height: 14′
Weight: (Gross weight is 80,000)
  • Single – 20,000 lbs.
  • Tandem – 34,000 lbs.
  • Tridem – 42,000 lbs.
Length:
  • Single Motor Vehicle – 40′
  • semi-trailer: 53′
  • Truck and Trailer – 70′
  • 75’maximum length (including rear overhang)
Overhang: 10 feet of front or rear overhang (or a total of 10 feet both to the front or the rear)

PERMIT LIMITS

Width: 14′
Height: 15′
Weight:
  • Single – 20,000 lbs.
  • Tandem – 46,725* lbs.
  • Tridem – 58,000 to 59,000* lbs.

* (5 axles) * (6 axles) * (7 axles)   *Depends on spacing

Length: 110′
Overhang: 15′ (must be the sum of both front and rear)

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 an individual basis only.

ESCORT CAR REQUIREMENTS

On a 2 or 3-lane highway:

Width
  • Over 12′ – 1 escort
  • Over 14′ – 2 escorts
  • Over 16′ – 3 escorts
  • over 17′ – May require 2 escort pilot cars and Highway Patrol (reviewed on an individual basis)
Height  Over 15’6″ – 1 escort car with height pole
Length Over 110′ – Needs 1 rear escort car
Overhang Over 25′ front or rear – Needs 1 escort car

On Interstate & 4 More Lanes:

Width
  • Over 14′ – (Needs 1 escort pilot car)
  • Over 16′ – (Needs 2 escort pilot cars)
  • Over 17′ – (Likely to require escort pilot cars and Highway Patrol)
Height Over 15’6″ – 1 escort car with height pole
Length Over 110′ – 1 escort
Overhang Over 25′ front or rear – 1 escort
Hoover Dam Area: Width 8’6″ to 10′ (max allowed) (alternate route is SR 163)
Note: Highway patrol needs at least 2 weeks’ notice Permit office needs at least 2 days notice to permit a “Super Load Best route for over height is US 6 Convoying must be specifically approved

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 the 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.

RESTRICTED TRAVEL

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.