Alabama (AL) DOT COMPLIANCE
ALDOT JURISDICTION
Commercial Combine Harvester with Duals Oversize Permits in Alabama (2026)
Comprehensive carrier guide for transporting Commercial Combine Harvester with Duals across Alabama. Review official ALDOT single-trip fees, escort trigger dimensions, curfew hours, and superload bridge thresholds.
⚡ Direct Compliance Summary (Alabama DOT)
In Alabama, single-trip oversize/overweight permits for Commercial Combine Harvester with Duals average $30.00 base under ALDOT jurisdiction. A front pilot car is legally mandated on two-lane highways when load width reaches 12'0" (and 14'0" on 4-lane interstates). Loads exceeding 15'6" require a certified lead escort with a calibrated height pole.
Single-Trip Permit Fee
$30.00
Issued by ALDOT
2-Lane Escort Trigger
12'0"
4-Lane Trigger: 14'0"
Height Pole Clearance
15'6"
Mandatory Lead Escort
Superload Threshold
150,000 lbs
Police Escort / Bridge Review
⚖️ Federal Bridge Formula B Quick Calculator (Alabama Interstate Corridors)
Estimate your allowable gross vehicle weight under Federal Bridge Formula B: W = 500 [LN/(N-1) + 12N + 36].
🚦 Alabama Travel Curfews & Operational Restrictions
Metropolitan Rush-Hour Curfews: Birmingham & Mobile: 7:00-9:00 AM, 4:00-6:00 PM
Weekend Travel: Saturday till noon; No Sunday
Safety Equipment: Slow Moving Vehicle (SMV) emblem, high-intensity amber flashers, side outrigger marker flags.
🗺️ Continuous Interstate Corridor: Bordering States for Commercial Combine Harvester with Duals
Hauling across state lines? Check escort triggers and permit rates in states directly bordering Alabama: