US Heavy Haul Trucking Permits & Pilot Car Regulations Index
Real-time compliance engine for commercial carriers, heavy haul dispatchers, and pilot car operators. Instant calculations for oversize permits, front/rear escort triggers, height pole rules, axle weight limits, and metropolitan rush-hour curfews across all 50 states.
Oversize Load & Pilot Car Evaluator Rig
Set load dimensions and destination state to verify permit triggers and escort requirements.
Heavy Haul & Specialized Freight Classifications
Modular & Manufactured Housing
Specialized expandable low-boy transport up to 16' wide. Front and rear escorts required on two-lane highways; height pole required over 15'0".
Heavy Hydraulic Excavators (40-80T)
Requires 3 to 4-axle RGN Lowboy with flip axle. Bridge formula compliance, non-divisible load documentation, and multi-state over-axle permits.
Wind Turbine Blades (50-75m)
Extreme length transport with steerable rear dollies. Mandatory 2-3 pilot cars, continuous route survey, and turning radius route clearance.
Federal Bridge Gross Weight Formula (23 U.S.C. § 127)
To protect highway bridges from concentrated weight stresses, federal law mandates the Bridge Formula B for all commercial vehicle combinations operating on the Interstate System.