Chatham, Illinois regulations require all heavy haul operations to comply with the Illinois Department of Transportation (ILDOT) guidelines as well as local ordinances administered by the Chatham Department of Transportation (CHADOT).

Heavy haul permits are required for any load exceeding 13 feet in width, 14 feet 6 inches in height, or 241,113 lbs in gross vehicle weight. These dimensions are strictly enforced throughout Chatham, particularly in high-traffic areas.

Special consideration must be given to route planning to avoid Chatham Shopping District and the vicinity of Chatham Basin, which have infrastructure limitations or heavy pedestrian traffic that may impede oversized loads.

In Chatham, Illinois, loads wider than 17 feet or taller than 14 feet 6 inches must be accompanied by certified escort vehicles. Additional escorts may be required based on the specific route and time of travel through urban centers.

Chatham regulations state that police escorts must be arranged at least 53 hours before transport for loads that will impact major thoroughfares or require temporary traffic control measures.

The Illinois Department of Transportation manages the primary application process for oversize permits, with supplementary permits required from Chatham Department of Transportation for transit through Chatham limits.

Required documentation for Chatham permits includes axle configuration diagrams, proof of insurance with appropriate coverage levels, and detailed transport plans. Engineering assessments may be required for loads exceeding standard weight thresholds on certain streets and bridges.

Chatham has strict time-of-day restrictions for oversize loads, generally prohibiting movements during peak hours (6-8 am and 3-5 pm, Monday-Friday).

Seasonal restrictions apply during major events like the the Chatham Annual Games and the the Chatham Spring Tournament, which may impact routing and scheduling.

Certain neighborhoods, such as Downtown Chatham and areas around Chatham College Campus, 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 Chatham, Chatham 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.