All oversize loads entering the City of Marietta must conform to the requirements set by the Oklahoma Department of Transportation.

In general, any vehicle over 10 feet in width, 13.5 feet in height, and within the Class III weight class should obtain an oversize load permit from the Marietta Public Works Department.

Additionally, all oversized loads must be accompanied by a pilot car during peak hours (7am-9am) to ensure public safety and minimize traffic disruptions.

In Marietta, escort vehicles are required for all oversized loads exceeding 12 feet in width or height. A police escort is also necessary when the load exceeds 14 feet in length.

The City of Marietta requires a minimum of two pilot cars for oversized loads traveling on I-35E during peak hours (7am-9am).

To apply for an oversize load permit in Marietta, please visit the City's website and submit your application through the Public Works Department's online portal.

Applicants must provide 72 hours' advance notice to obtain an oversize load permit.

In Marietta, oversized loads are prohibited on weekdays between the hours of 7am-9am. Special permits may be issued for weekend or off-hour deliveries.

During winter months (December to February), oversized loads must provide proof of snow tires or chains before being permitted.

The standard permit fee for Marietta is $150, with an additional $50 charge for each hour of escort service required.

Fees may vary depending on the route complexity and load size. A detailed breakdown of fees can be found on the City's website.