All oversize loads entering the City of Hattiesburg, Forrest County, must conform to the requirements set by the Mississippi Department of Transportation.

In general, any vehicle over 12 feet in width, 14 feet in height, and within the Class 3 weight category (over 120,000 lbs) should obtain an oversize load permit from the Hattiesburg Public Works Department.

Additional permits may be required from the City of Hattiesburg if the load will be traveling on city-maintained roads, such as Highway 49 or Interstate 59 within the city limits.

Escort vehicles are required for oversize loads exceeding 14 feet in width or 18 feet in height on highways within Hattiesburg, including Interstate 59.

Information about local police escort requirements can be obtained by contacting the Hattiesburg Police Department's Traffic Division at (601) 582-2424, including any fees and scheduling requirements.

To apply for a permit in Hattiesburg, applicants can visit the Mississippi Department of Transportation's website or contact the Hattiesburg Public Works Department directly at (601) 582-2300.

Documentation requirements include proof of insurance, a detailed route plan, and load specifications, which should be submitted to the Hattiesburg Public Works Department.

Oversize loads are restricted from traveling during peak hours (7-9 am and 4-6 pm, Monday through Friday) on major highways like Highway 49.

Seasonal restrictions may apply during heavy rainfall events or construction projects, such as the ongoing improvements to the Interstate 59 and Highway 98 interchange.

Residential neighborhoods like those surrounding the University of Southern Mississippi campus are restricted to oversize loads unless a specific permit is obtained from the City.

The standard permit fee for oversize loads in Hattiesburg is $50, with additional fees based on the complexity of the route and the size of the load.

For loads exceeding 16 feet in width or 20 feet in height, an additional $25 fee is applied, along with any required escort fees.