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

In general, any vehicle over 13 feet in width, 13 feet 6 inches in height, and within the super heavy weight class (over 264,202 lbs) should obtain an oversize load permit from the ILDOT and potentially additional permits from MCLDOT.

To navigate the complexities of McLean's infrastructure, it's crucial to plan routes that avoid sensitive areas like McLean Hills and major construction zones along the McLean Research Park area.

Escort vehicles are required for oversize loads exceeding 15 feet in width or 13 feet 0 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 McLean, the McLean Department of Transportation may mandate police escorts for oversize loads, especially during peak traffic hours. Scheduling these escorts requires advance notice, typically at least 27 hours prior to the move.

Permit applications in McLean 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 McLean, a traffic management plan may also be required as part of the application process.

McLean has strict time-of-day restrictions for oversize loads, generally prohibiting movements during peak hours (7-8 am and 4-5 pm, Monday-Friday).

Seasonal restrictions apply during major events like the the McLean International Show and the the McLean Food Games, which may impact routing and scheduling.

Certain neighborhoods, such as Downtown McLean and areas around McLean Port Authority, 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 McLean, McLean 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.