All oversize loads entering the City of Tonica, located in LaSalle County, must conform to the requirements set by the Illinois Department of Transportation.

In general, any vehicle over 12 feet in width, 14 feet in height, and within the Class 3 weight category (over 80,000 lbs) should obtain an oversize load permit from the Tonica Public Works Department.

The City of Tonica requires that all oversize loads comply with the Illinois Vehicle Code and adhere to designated routes to minimize disruptions to local traffic and infrastructure.

In Tonica, escort vehicles are required for loads exceeding 16 feet in width or 18 feet in height. Escort vehicles must be equipped with appropriate warning lights and flags.

For oversize loads traveling on state highways within Tonica, the Illinois State Police may require a police escort. Scheduling and fees for police escorts can be arranged through the Illinois State Police District 3 office.

To apply for an oversize load permit in Tonica, applicants can visit the Tonica Public Works Department website or contact them directly at (815) 442-3333. The application requires detailed information about the load, including dimensions, weight, and proposed route.

Applicants must provide documentation, including proof of insurance and a detailed route plan, as part of the permit application process.

Tonica has time-of-day restrictions for oversize loads; they are not permitted on city streets during peak hours (7-9 am and 4-6 pm, Monday-Friday).

Seasonal restrictions may apply during periods of extreme weather, such as heavy snowfall or flooding, which may necessitate route alterations or temporary halts in oversize load transport.

Certain neighborhoods and historic districts within Tonica have restricted access for oversize loads; permits will specify approved routes to avoid these areas.

The base permit fee for oversize loads in Tonica is $150. Additional fees are assessed based on the complexity of the route and the size of the load.

For example, loads requiring a police escort incur an additional $200 fee, and loads exceeding 20 feet in width or height are subject to a $300 surcharge.