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Overweight/Overdimensional Permit Section

Tennessee Department of Transportation
Overweight & Overdimensional Permits
James K. Polk Bldg, Suite 300
505 Deaderick Street
Nashville, TN 37243
615.741.3821 (Voice) 615.741.1159 (Fax)
Hours: 8:00 a.m. – 4:30 p.m., Monday – Friday

The OW/OD Permits Section of the Tennessee Department of Transportation 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 overlength articles or commodities as cannot be reasonably dismantled or conveniently transported otherwise, and for the operation of such superheavy 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 overlength articles or commodities as cannot be reasonably dismantled or conveniently transported otherwise.

Statement of Necessity Requiring Public Necessity Rules
(Requires Adobe Acrobat Reader)

Vertical Clearances for the State of Tennessee
(Requires Adobe Acrobat Reader)

Overweight and Overdimensional Movements on Tennessee Highways
(Requires Adobe Acrobat Reader)

Tennessee Computerized Permit Issuance Services (CPI)

How To Obtain a Permit:

Additional Information That May Be Useful:

Tennessee Department of Safety
Commercial Vehicle Division
1148 Foster Avenue - Cooper Hall
Nashville, TN 37210
Business Hours: 8:00 a.m. until 4:30 p.m. Monday through Friday

The following telephone numbers may assist you in answering inquiries relating to commercial vehicle registration enforcement and auditing of the same.

Commercial Vehicle Administration 615.687.2326
Fax: 615.253.2278
Commercial Vehicle Enforcement 615.687.2326
Audit – IRP and IFTA 615.687.2281
International Fuel Tax Agreement (IFTA) Toll Free: 1.888.468.9025
Fax: 615.532.7015
International Registration Plan (IRP) 615.687.2274
Toll Free: 1.888.826.3151
Fax: 615.532.7015
Overweight Assessments 615.687.2289
Fax: 615.253.2287
Single State Registration and Motor
Carrier Authority
Fax: 615.253.2283
Other telephone numbers of interest:

Tennessee Department of Safety

  • Driver License Issuance (CDL) - 615.251.5310
  • Motor Vehicle Report MVR - 615.741.3954


Tennessee Department of Revenue

  • Vehicle Title & Registration - 615.741.3101


Federal Government

  • Internal Revenue Service – Heavy Vehicle Use Tax (HVUT) - 1.800.829.1040
  • Federal Department of Transportation - 1.800.832.5660 or 615.781.5781