Wyoming Oversize & Overweight Permits

Permits Canada obtains oversize and overweight permits for Wyoming for trucks and loads over the legal width, height, length or weight.

Wyoming legal dimensions and weight

A truck and load within these limits needs no oversize or overweight permit in Wyoming.

Width8 ft 6 in
Height14 ft
Length60 ft single unit or semitrailer; 81 ft semi/trailer combination
Gross weight80,000 lbs on primary/secondary routes; up to 117,000 lbs on Interstates per Table I formula

Wyoming oversize permit rules

EscortsTwo-lane highways: escort at 14 ft or wider, 110 ft or longer, or crossing the centerline; Interstate/4-lane divided: escort at 15 ft or wider; rear escort for rear overhang of 25 ft or more
Travel timesOversize loads move in daylight only (limited exceptions); no escorted moves on 6 major holidays or holiday weekends

Getting your permit with Permits Canada

  1. Send us the online oversize / overweight application with your truck, trailer, load dimensions and route.
  2. A permit agent applies for your Wyoming permit and checks the route conditions.
  3. Your permit arrives by email with its travel conditions. Oversize and overweight permits can take longer, since the authorities review each application.

Our fee is $40 to $50 CAD per permit, plus the Wyoming state fee, which depends on the dimensions, weight and route.

Also need temporary registration or fuel tax coverage? See Wyoming trip & fuel permits.

Wyoming oversize permit questions

When is an oversize permit required in Wyoming?

When the truck or load exceeds the Wyoming legal limits: width 8 ft 6 in, height 14 ft, length 60 ft single unit or semitrailer; 81 ft semi/trailer combination.

What is the legal gross weight in Wyoming?

The legal gross weight in Wyoming is 80,000 lbs on primary/secondary routes; up to 117,000 lbs on Interstates per Table I formula. A heavier truck needs an overweight permit.

When are pilot or escort vehicles required in Wyoming?

Two-lane highways: escort at 14 ft or wider, 110 ft or longer, or crossing the centerline; Interstate/4-lane divided: escort at 15 ft or wider; rear escort for rear overhang of 25 ft or more.

Can oversize loads travel at night or on weekends in Wyoming?

Oversize loads move in daylight only (limited exceptions); no escorted moves on 6 major holidays or holiday weekends.

How much does a Wyoming oversize permit cost?

Permits Canada charges $40 to $50 CAD per permit, plus the Wyoming state fee, which depends on the dimensions, weight and route.

Last reviewed October 2026. Rules change; your permit agent confirms them for each move. All provinces and states