Access Road and Travel Conditions By Dialing 511
Marketing Support
Travelers can access road and travel conditions online at TNSmartWay Traffic or by dialing 511 (or (877) 244-0065 outside Tennessee) from a cellular or landline phone.
The TDOT website featuring TNSmartWay provides real-time traffic information on highway incidents, construction activities, and weather-related road conditions, including streaming traffic cameras, messages displayed on overhead Dynamic Message Signs, and speed data. Cameras and message boards are live in Memphis, Nashville, Chattanooga, and Knoxville.
Tennessee Transportation Projects
Please stay informed of planned roadway projects in your area.
Tennessee roadway project information is divided by TDOT’s four regions to make it easier for users to find. Select a region below to view a list of projects which might affect your transportation routes.
Click below for more information
State Information
TDOT Rule & Reg - OW/OD
Commercial Driver's License Info
Commercial Driver's License Info
TDOT Contact Information
Tennessee Department of Transportation
Overweight & Over-dimensional 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
E-Mail: TDOT.PermitOffice@tn.gov