Idaho (ID) DOT COMPLIANCE
ITD JURISDICTION
Commercial Combine Harvester with Duals Oversize Permits in Idaho (2026)
Comprehensive carrier guide for transporting Commercial Combine Harvester with Duals across Idaho. Review official ITD single-trip fees, escort trigger dimensions, curfew hours, and superload bridge thresholds.
⚡ Direct Compliance Summary (Idaho DOT)
In Idaho, single-trip oversize/overweight permits for Commercial Combine Harvester with Duals average $28.00 base under ITD jurisdiction. A front pilot car is legally mandated on two-lane highways when load width reaches 12'6" (and 14'6" on 4-lane interstates). Loads exceeding 16'0" require a certified lead escort with a calibrated height pole.
Single-Trip Permit Fee
$28.00
Issued by ITD
2-Lane Escort Trigger
12'6"
4-Lane Trigger: 14'6"
Height Pole Clearance
16'0"
Mandatory Lead Escort
Superload Threshold
200,000 lbs
Police Escort / Bridge Review
⚖️ Federal Bridge Formula B Quick Calculator (Idaho Interstate Corridors)
Estimate your allowable gross vehicle weight under Federal Bridge Formula B: W = 500 [LN/(N-1) + 12N + 36].
🚦 Idaho Travel Curfews & Operational Restrictions
Metropolitan Rush-Hour Curfews: Boise area peak traffic curfews
Weekend Travel: Weekend travel allowed on designated routes
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 Idaho: