Wyoming

Wyoming interstate GVW limit: 80,000 lbs. State highways allow up to 117,000 lbs with proper axle configuration. Per-axle limits: Single axle 20,000 lbs, Tandem axle 36,000 lbs, Tridem axle 42,000 lbs. Federal bridge formula on interstates; Wyoming allows higher GVW on state routes with additional axles. Enforcement tolerance: No general tolerance during spring restrictions.

Height: 14 ft. Width: 8 ft 6 in. Trailer length: 53 ft (semitrailer). Overall combination length: 85 ft combination.

Oversize/overweight permits through WYDOT/WHP electronic permitting system Fees: Single-trip: $25; Annual: $100+. Kansas oversize permits are not directly honored in Wyoming. You will need to obtain a Wyoming-specific permit for oversize/overweight loads. Apply online: https://wydotpermits.wyo.gov/ Enforcement: WHP enforcement; weigh stations on major corridors; fines per pound overweight.

Agricultural: Agricultural vehicles exempt on state highways during harvest; farm implements have width exemptions.

Spring weight restrictions on posted roads during thaw season. Check with the state DOT for current postings and dates before planning your route.

For the most current weight and size regulations, permit applications, and seasonal restriction updates, visit the official Wyoming DOT page at https://www.dot.state.wy.us/home/trucking_commercial_vehicles.html. Contact the Wyoming Department of Transportation for specific routing questions.