Maryland (MD) DOT COMPLIANCE
MDOT SHA JURISDICTION
Commercial Combine Harvester with Duals Oversize Permits in Maryland (2026)
Comprehensive carrier guide for transporting Commercial Combine Harvester with Duals across Maryland. Review official MDOT SHA single-trip fees, escort trigger dimensions, curfew hours, and superload bridge thresholds.
⚡ Direct Compliance Summary (Maryland DOT)
In Maryland, single-trip oversize/overweight permits for Commercial Combine Harvester with Duals average $30.00 + mileage base under MDOT SHA jurisdiction. A front pilot car is legally mandated on two-lane highways when load width reaches 12'0" (and 13'0" on 4-lane interstates). Loads exceeding 14'6" require a certified lead escort with a calibrated height pole.
Single-Trip Permit Fee
$30.00 + mileage
Issued by MDOT SHA
2-Lane Escort Trigger
12'0"
4-Lane Trigger: 13'0"
Height Pole Clearance
14'6"
Mandatory Lead Escort
Superload Threshold
150,000 lbs
Police Escort / Bridge Review
⚖️ Federal Bridge Formula B Quick Calculator (Maryland Interstate Corridors)
Estimate your allowable gross vehicle weight under Federal Bridge Formula B: W = 500 [LN/(N-1) + 12N + 36].
🚦 Maryland Travel Curfews & Operational Restrictions
Metropolitan Rush-Hour Curfews: Baltimore & DC Beltway I-495/I-695 strict curfews
Weekend Travel: No weekend travel over legal dimensions
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 Maryland: