All oversize loads entering the City of Joliet must conform to the requirements set by the Illinois Department of Transportation.

In general, any vehicle over 10 feet in width, 14 feet in height, and within the Class III weight class should obtain an oversize load permit from the Joliet Public Works Department. This includes vehicles carrying heavy machinery or large equipment.

Additionally, all oversized loads must comply with the City of Joliet's traffic management plan to minimize disruptions to local residents and businesses.

In Joliet, escort vehicles are required for all oversized loads exceeding 12 feet in width or 14 feet in height. This includes vehicles carrying heavy machinery or large equipment. The City of Joliet requires a minimum of two (2) escort vehicles: one at the front and one at the rear.

Local police departments may also require an escort vehicle for specific routes, such as those near schools or residential areas. Fees for police escorts are typically waived for oversized loads carrying emergency equipment or supplies.

To apply for an oversize load permit in Joliet, please visit the City's Public Works Department website and fill out the online application form. You may also obtain a physical copy of the application at the department's office.

Applicants must provide 14 days advance notice to obtain an oversize load permit. Please allow additional time for complex or high-priority permits.

In Joliet, oversized loads are restricted from traveling during peak morning and afternoon rush hours (7:00 AM - 9:00 AM and 3:30 PM - 5:30 PM) to minimize traffic congestion.

The City of Joliet also prohibits oversized loads from traveling on certain routes or in specific neighborhoods during inclement weather conditions, such as heavy rain or strong winds.

The base permit fee for oversized loads in Joliet is $150. Additional fees apply for route complexity, load size, and weight.

A $50 fee is assessed for each additional 1/4 mile of route length.