All oversize loads entering the City of Longmont, located in Boulder County, must conform to the requirements set by the Colorado Department of Transportation (CDOT).

In general, any vehicle over 12 feet in width, 14 feet 6 inches in height, and within the superload weight class (over 200,000 pounds) should obtain an oversize load permit from the Longmont Public Works Department.

Longmont has specific ordinances that require permits for oversize loads to minimize disruptions to local traffic and infrastructure. Permits are issued based on the route assessment to ensure safe passage through the city.

In Longmont, escort vehicles are required for loads exceeding 14 feet 6 inches in width or height, or for any load that requires a superload permit. The escort must be provided by a certified escort service provider approved by the Colorado State Patrol.

For certain oversize loads, a police escort may be required, particularly if the load is traveling through high-traffic areas or school zones. Scheduling a police escort requires a minimum of 48 hours' notice and is subject to additional fees.

To apply for an oversize load permit in Longmont, applicants must submit their request through the Colorado Department of Transportation's online permitting system or by contacting the Longmont Public Works Department directly at (303) 651-8600.

Documentation requirements include a detailed route plan, load dimensions, and weight certificates. Applicants are advised to consult with the Longmont Public Works Department for specific requirements related to their shipment.

Longmont has time-of-day restrictions for oversize loads, generally prohibiting travel during peak hours (7-9 am and 4-6 pm, Monday through Friday).

Seasonal restrictions may apply during periods of heavy snowfall or when road construction is underway. Applicants are advised to check with the Longmont Public Works Department for up-to-date information.

Certain neighborhoods, such as those with narrow streets or low-hanging utility wires, may be restricted to oversize loads. Permits will be issued with specific route guidance to avoid these areas.

The base permit fee for an oversize load in Longmont is $75. Additional fees are assessed based on the complexity of the route, the need for escort services, and any required inspections.

For superloads, the permit fee can range from $500 to $2,000, depending on the size and weight of the load, as well as the level of coordination required with local authorities.