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

In general, any vehicle over 10 feet in width, 13.5 feet in height, and within the Class B weight classification should obtain an oversize load permit from the Mackinaw Public Works Department.

Additionally, all loads exceeding 75,000 pounds must be escorted by a police officer to ensure public safety.

In Mackinaw, escort vehicles are required for any load exceeding 12 feet in width or 14 feet in height. Additional requirements apply for loads that exceed 85,000 pounds.

The Mackinaw Police Department offers police escort services for a fee of $150 per hour, with a minimum of one hour required.

To apply for an oversize load permit in Mackinaw, please visit the City's website at [www.cityofmackinaw.com](http://www.cityofmackinaw.com) or contact the Public Works Department at (309) 385-2222.

Applicants must provide 72 hours advance notice to obtain an oversize load permit. A $25 application fee is required, with a $50 late fee for applications submitted less than 24 hours in advance.

In Mackinaw, oversized loads are prohibited from traveling between the hours of 7:00 AM and 9:00 AM to minimize traffic congestion.

Additionally, all oversized loads must comply with seasonal restrictions during peak agricultural harvest seasons (July-October).

The standard permit fee for Mackinaw is $500, plus any additional fees based on route complexity. Additional charges apply for loads exceeding 85,000 pounds or requiring a police escort.