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Tennessee
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Alerts
No major alerts at this time.
Construction/Conditions 
877-244-0065
Federal Highway Admin
615-781-5770
Cell Emergency Number
911 *847
Time Zone
Central and Eastern
Speed Limits
Rural Interstates Cars: 70, Trucks: 70
Urban Interstates Cars: 70, Trucks: 70
Other Roads Cars: 70, Trucks: 70
Urban Interstates Cars: 70, Trucks: 70
Other Roads Cars: 70, Trucks: 70
Work Zone Special Limits
Speeding, $250-$500, Workers Must Be Present, Signs Must Be Present
Rest Area Overnight Parking
Parking up to 2 hours
State Handheld Device Ban
Yes
State Texting Ban Laws
Yes
Seat Belt Laws
>16 in Front Seats, $50
Sobriety Checkpoints
Yes, Once or twice a month, Upheld under state and Federal Constitution
High Blood Alcohol Content
0.2
Open Container Law
Motorcycle Helmet Laws
All riders
Bicycle Helmet Laws
under 16
Gun Law Simple Summary
Guns must be unloaded and inaccessible, unless carry permit issued from state
Shoot First/Stand Ground Law
Yes - Law permits deadly force in public places with no duty to retreat
Radar Detectors
Legal
Diesel Tax (State and Federal)
0.428
Truck Access Policies
unlimited mi
Shortest route
Shortest route
Triple Towing
Yes
Tow Brake Laws Towing
1,500 lbs - auxiliary braking system is required
See Restricted Routes See Hazmat Routes See Idling Laws
