OS/OW Permit Office

TDOT OS/OW Permit Office
William R. Snodgrass Tennessee Tower, 20th Floor
312 Rosa L. Parks Ave.
Nashville, TN 37243
Phone: (615) 741-3821
Email: TDOT.PermitOffice@tn.gov

Office Hours:  Monday - Friday 8:00 a.m. - 4:30 p.m. / Lunch 12:00 p.m. - 1:00 p.m.

Customer Pick-Up Hours:  Monday - Friday 9:00 a.m. - 3:00 p.m. / Lunch 12:00 p.m. - 1:00 p. m.

Google Map Locator:  https://goo.gl/maps/AQT5gKEhSep

Information about ongoing novel coronavirus outbreak: https://www.tn.gov/governor/covid-19.html

American Trucking Associations - COVID -19 Update Hub: https://www.trucking.org/COVID19#states


Key Responsibility

The TDOT Oversize & Overweight Permit Office is responsible for prescribing rules in the interest of public safety and preservation of highways, for the issuance and/or renewal of special permits for the transportation of such oversize, overweight, or over-length articles or commodities that cannot be reasonably dismantled or conveniently transported otherwise, and for the operation of such super-heavy or overweight vehicles, motor trucks, semi-trailers and trailers, whose gross weight, including load, weight, height or length, may exceed statutory limits, or which in other respects fail to comply with requirements of the Tennessee Code Annotated, as may be reasonably necessary for the transportation of such oversize, overweight, or over-length articles or commodities that cannot be reasonably dismantled or conveniently transported otherwise.


Holiday Restrictions

Upcoming Holiday Restrictions

2025 TDOT OS/OW Holiday Travel Restrictions

2026 TDOT OS/OW Holiday Travel Restrictions

Our office will be closed on the State Holidays for 2025, listed above.
Normal travel allowed with permit except for Site-built houses and
Houseboats.