For Permits & General Info

Main page: https://permits4idaho.com/

Oversize / Overweight Permits – Idaho (ITRPS)

The Idaho Transportation Department (ITD) issues special permits for vehicles and loads exceeding legal size and weight limits through the Idaho Transportation Permits System (ITRPS).

• Apply online at permits4idaho.com
• New customers / account setup: Call the Permit Office at 208-872-3163
• View Special Permit Rules, Maps, Permit Attachments, and tools under Helpful Links

Helpful Resources:

• Idaho Road Conditions → 511.idaho.gov
• Divisible Legal Weight Calculator
• ITD Projects and Temporary Registrations

Disclaimer – Idaho This information is provided for informational purposes only and is sourced directly from the Idaho Transportation Department (ITD) and permits4idaho.com. It is not intended as legal advice and does not replace official regulations or your specific permit requirements.

Always verify the most current rules, restrictions, maps, and conditions directly with ITD before operating any oversize/overweight vehicle. Permit requirements and restrictions are subject to change.

For Pilot Car / Escort Information

Pilot/Escort Rules: https://permits4idaho.com/PDFGate.aspx?LoginNoticeID=68

Pilot / Escort Vehicles – Idaho

Pilot/Escort vehicles are required when specified on the permit or according to the Pilot/Escort Vehicle Travel and Vertical Clearance of Structures Map.

Key Requirements:

• Vehicle Type: Passenger car, pickup, or authorized truck (max 16,000 lbs GVW). No trailers allowed.
• Loads Over 16 Feet High: Must use a non-metallic height pole on the front of the lead pilot vehicle.
• Oversize Load Sign: 12″ high × 5′ wide, black on yellow background with 8″ letters. Mounted on roof.
• Warning Lights: Flashing/rotating amber lights (or single beacon) visible from all sides, always on during escort.
• Required Equipment (must be carried):
  • 18″ STOP/SLOW paddle
  • 3 bi-directional reflective triangles
  • 5 lb. fire extinguisher (B/C rating)
  • ANSI Class 2/3 safety vest (Class 3 at night)
  • Two spare Oversize Load signs
  • Non-conductive height pole (when required)
  • Hard hat, flashlight, first aid kit
  • Two-way radio (reliable communication minimum ½ mile)

Additional Rules:

• Front, rear, or advance pilot/escort may be required depending on load dimensions and route.
• Maintain ~1,000 ft spacing in rural areas.
• Headlights and taillights must be on.
• Special provisions for first movement of tree-length logs (up to 110 ft).

For complete details and current maps, see the official IDAPA 39.03.01 rules and Pilot/Escort Map on permits4idaho.com.

Disclaimer This information is provided for informational purposes only and is sourced directly from the Idaho Transportation Department (ITD) and permits4idaho.com. It is not intended as legal advice and does not replace official regulations or your specific permit requirements.

Always verify the most current rules, restrictions, maps, and conditions directly with ITD before operating any oversize/overweight vehicle. Permit requirements are subject to change.