Ohio

Ohio interstate GVW limit: 80,000 lbs. Per-axle limits: Single axle 20,000 lbs, Tandem axle 34,000 lbs, Tridem axle 42,000 lbs. Federal bridge formula applies. Enforcement tolerance: No general tolerance on interstates.

Height: 13 ft 6 in. Width: 8 ft 6 in. Trailer length: 53 ft (semitrailer). Overall combination length: No overall limit for tractor-semitrailer.

Oversize/overweight permits through ODOT online Special Hauling Permit system Fees: Single-trip: $30; Annual: $100+. California oversize permits are not directly honored in Ohio. You will need to obtain a Ohio-specific permit for oversize/overweight loads. Apply online: https://www.transportation.ohio.gov/programs/special-hauling-permits Enforcement: OSHP and ODOT enforcement; weigh stations; fines escalate with overweight amount.

Agricultural: Agricultural vehicles exempt on state highways within 50 miles of farm.

Spring weight restrictions on county 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 Ohio DOT page at https://www.transportation.ohio.gov/programs/special-hauling-permits. Contact the Ohio Department of Transportation for specific routing questions.