Connecticut

Connecticut interstate GVW limit: 80,000 lbs. Per-axle limits: Single axle 22,400 lbs, Tandem axle 36,000 lbs, Tridem axle 42,000 lbs. Federal bridge formula applies; many older bridges have posted lower limits. Enforcement tolerance: No tolerance; immediate fines for any overweight violation.

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

Oversize/overweight permits through CT DOT Motor Carrier Services Fees: Single-trip: $35; Annual: $150+. New Mexico oversize permits are not directly honored in Connecticut. You will need to obtain a Connecticut-specific permit for oversize/overweight loads. Apply online: https://portal.ct.gov/dot/permits/highways/oversize-overweight-permits Enforcement: All commercial vehicles must stop at weigh stations; strict enforcement.

Agricultural: Agricultural vehicles exempt within 10 miles of farm on non-interstate roads.

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 Connecticut DOT page at https://portal.ct.gov/dot/permits/highways/oversize-overweight-permits. Contact the Connecticut Department of Transportation for specific routing questions.