Tennessee Truck Speed Limit
No split. The statute spells it out: a car or a truck both max at 70 on four-lane controlled-access state and interstate highways (Tenn. Code 55-8-152). The same section sets a 55 mph minimum in the left lane of those highways. Trucks are not held to a lower number anywhere in the state.
How fast a truck can run in Tennessee
No split. The statute spells it out: a car or a truck both max at 70 on four-lane controlled-access state and interstate highways (Tenn. Code 55-8-152). The same section sets a 55 mph minimum in the left lane of those highways. Trucks are not held to a lower number anywhere in the state.
Truck-specific rules and quirks
- 55 mph minimum in the left lane of controlled-access highways (55-8-152)
- Left-lane minimum of 55 mph on four-lane controlled-access highways
- The statute names trucks explicitly at the same 70 as cars. It also sets a 55 mph minimum in the left lane of four-lane controlled-access highways.
What a speeding ticket costs
Graduated fine set by local courts. Work-zone speeding carries a higher minimum fine when workers are present.
Tennessee Truck Speed Limit FAQ
What is the truck speed limit in Tennessee?
Do trucks have a lower speed limit than cars in Tennessee?
What is the speeding penalty for a truck in Tennessee?
Reference information for planning, not legal advice. Traffic laws change and this can be out of date, so always confirm the current statute and obey posted signs before you rely on it. Last reviewed July 2026. Source: https://law.justia.com/codes/tennessee/title-55/chapter-8/part-1/section-55-8-152/. See our Terms & Disclaimer.
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