All oversize loads entering Frankfort, Illinois must conform to the requirements set by the Illinois Department of Transportation (ILDOT) and the Frankfort Department of Transportation (FRADOT).

In general, any vehicle over 11 feet in width, 13 feet 6 inches in height, and within the super heavy weight class (over 159,652 lbs) should obtain an oversize load permit from the ILDOT and potentially additional permits from FRADOT.

To navigate the complexities of Frankfort's infrastructure, it's crucial to plan routes that avoid sensitive areas like Frankfort College Campus and major construction zones along the Frankfort Stadium area.

Escort vehicles are required for oversize loads exceeding 16 feet in width or 15 feet 6 inches in height on highways and certain city streets. The Illinois State Police often require escorts for loads that are particularly large or heavy.

For movements within Frankfort, the Frankfort Department of Transportation may mandate police escorts for oversize loads, especially during peak traffic hours. Scheduling these escorts requires advance notice, typically at least 32 hours prior to the move.

Permit applications in Frankfort must be submitted through the ILDOT's online permitting system. Carriers should be prepared to provide comprehensive vehicle specifications, proposed routes, and transport schedules.

Applications must include certified weight tickets, dimensional diagrams, and route surveys. For loads that may impact traffic flow in Frankfort, a traffic management plan may also be required as part of the application process.

Frankfort has strict time-of-day restrictions for oversize loads, generally prohibiting movements during peak hours (7-8 am and 3-6 pm, Monday-Friday).

Seasonal restrictions apply during major events like the the Frankfort Sports Celebration and the the Frankfort Arts Fair, which may impact routing and scheduling.

Certain neighborhoods, such as Frankfort Center and areas around Frankfort Arena, have restricted access for oversize loads. Alternative routes should be planned in advance to avoid these areas.

The base permit fee for an oversize load in Illinois is $40, with additional fees for super heavy loads (over 200,000 lbs) ranging from $150 to $350 depending on the complexity of the move.

For movements within Frankfort, Frankfort Department of Transportation may charge additional fees for city-specific permits, which can range from $75 to $500 or more for particularly complex routes or those requiring extensive coordination with city agencies.