Cardiff, Alabama regulations require all heavy haul operations to comply with the Alabama Department of Transportation (ALDOT) guidelines as well as local ordinances administered by the Cardiff Department of Transportation (CARDOT).

Heavy haul permits are required for any load exceeding 11 feet in width, 16 feet 0 inches in height, or 299,271 lbs in gross vehicle weight. These dimensions are strictly enforced throughout Cardiff, particularly in high-traffic areas.

Special consideration must be given to route planning to avoid Cardiff College Campus and the vicinity of the Cardiff Harbor, which have infrastructure limitations or heavy pedestrian traffic that may impede oversized loads.

Escort vehicles are required for oversize loads exceeding 15 feet in width or 14 feet 6 inches in height on highways and certain city streets. The Alabama State Police often require escorts for loads that are particularly large or heavy.

For movements within Cardiff, the Cardiff Department of Transportation may mandate police escorts for oversize loads, especially during peak traffic hours. Scheduling these escorts requires advance notice, typically at least 66 hours prior to the move.

Permit applications in Cardiff must be submitted through the ALDOT'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 Cardiff, a traffic management plan may also be required as part of the application process.

Cardiff 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 Cardiff Annual Parade and the the Cardiff Music Fair, which may impact routing and scheduling.

Certain neighborhoods, such as Downtown Cardiff and areas around the Cardiff Bay, 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 Alabama 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 Cardiff, Cardiff 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.