All oversize loads entering the City of Teton must conform to the requirements set by the Idaho Department of Transportation, as well as any specific requirements imposed by Teton County for travel within the city limits.

Generally, any vehicle exceeding 8 feet 6 inches in width, 14 feet in height, or with a gross vehicle weight exceeding 80,000 pounds requires an oversize/overweight permit from the Idaho Transportation Department (ITD). However, loads exceeding 10 feet in width or 16 feet in height also require notification to the Teton City Public Works Department.

Due to the proximity of the Grand Teton National Park and the influx of tourist traffic, particularly during the summer months, adherence to designated routes is strictly enforced. Deviations may result in fines and delays.

Escort vehicles are typically required for loads exceeding 12 feet in width, 16 feet in height, or 100 feet in length within Teton. The specific number of escorts will depend on the dimensions and route.

For loads exceeding 14 feet in width or 18 feet in height, a certified Idaho Peace Officer escort is mandatory within Teton City limits. Contact the Teton County Sheriff's Office at (208) 354-2323 for scheduling and fee information. Note that officer availability can be limited, especially during peak tourist season.

Oversize/overweight permits for travel within Idaho are obtained through the Idaho Transportation Department's online permitting system. For loads requiring Teton City Public Works notification (exceeding 10' width or 16' height), contact them directly at (208) 354-2770 to inform them of your permitted route and timeline.

Required documentation includes vehicle registration, insurance information, detailed load dimensions, a proposed route map, and any relevant engineering reports if bridge crossings are involved. Be prepared to provide axle weights and spacing information.

Oversize loads are generally restricted from traveling through Teton during peak traffic hours, typically between 7:00 AM and 9:00 AM and between 4:00 PM and 6:00 PM on weekdays. These restrictions are more strictly enforced during the summer months.

Seasonal restrictions may apply during winter months due to snow and ice conditions. Check with the ITD and Teton County Road and Bridge Department for current road closures and advisories.

Certain residential areas and routes near schools are strictly prohibited for oversize loads. The route through downtown Teton on Main Street is discouraged unless absolutely necessary, due to its narrow width and pedestrian traffic.

The ITD permit fee structure is based on load weight, dimensions, and distance traveled. Additional fees may be assessed for loads requiring special routing or analysis.

Police escort fees are determined by the Teton County Sheriff's Office and are typically charged on an hourly basis per escort vehicle. These fees can vary depending on the time of day and day of the week.