All oversize loads entering the City of Shelbyville, Shelby County, must conform to the requirements set by the Illinois Department of Transportation (IDOT) and the Shelbyville Public Works Department.

In general, any vehicle over 12 feet in width, 14 feet in height, and within the Class 8 weight category (over 33,001 lbs) should obtain an oversize load permit from the Shelbyville Public Works Department.

Additional permits may be required from IDOT for loads exceeding 18 feet in width, 18 feet in height, or weighing over 120,000 lbs. It's essential to coordinate with both local and state authorities to ensure compliance.

Escort vehicles are required for loads exceeding 16 feet in width or 14 feet in height on public roads within Shelbyville. Escort vehicles must be equipped with proper signage and warning lights as per IDOT regulations.

For loads over 20 feet in width or 18 feet in height, a police escort may be required. The Shelbyville Police Department must be contacted in advance to schedule the escort, and fees will be applicable based on the police department's rate schedule.

To apply for an oversize load permit in Shelbyville, applicants must submit their request through the Shelbyville Public Works Department's website or by contacting them directly at (217) 774-3321. Required documentation includes detailed load specifications, proposed route, and travel dates.

Applicants should also be prepared to provide additional information as required by IDOT for state permits, including but not limited to, load diagrams and escort vehicle details.

Time-of-day restrictions apply to oversize loads in Shelbyville; typically, permits are not issued for travel during peak hours (7-9 am and 4-6 pm) on weekdays.

Seasonal restrictions may apply during extreme weather conditions such as heavy snowfall or flooding, as determined by the Shelbyville Public Works Department and IDOT.

Certain routes within Shelbyville are restricted for oversize loads, including those through historic districts and areas with low clearance bridges. Applicants must specify their route for approval.

The base permit fee for an oversize load in Shelbyville is $50. Additional fees are applied based on the size and weight of the load, as well as the complexity of the route.

For example, loads requiring a police escort incur an additional fee of $200 plus $50 per hour for the escort service. Detailed fee structures are available on the Shelbyville Public Works Department's website.