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Tennessee
Speed Limits
Truck speed limits in Tennessee: Highway 70 mph, Rural 70 mph, Urban 65 mph. Same as passenger vehicles. Left lane: No specific truck left-lane restriction statewide.
Winter & Chain Laws
No mandatory chain law; chains permitted during winter weather in Smoky Mountains area Construction: Year-round construction; heavy on I-40 and I-24 corridors.
Restricted Routes
Smoky Mountain National Park roads restrict large trucks; Tail of the Dragon (US-129) not recommended for trucks; standard oversize/overweight permits
Hours of Service & ELD
Standard federal HOS enforcement; THP commercial vehicle enforcement ELD: Full federal ELD mandate compliance required.
Inspections & Enforcement
Moderate; THP conducts regular inspections on I-40, I-24, and I-81 Drug testing: Federal DOT drug testing requirements apply.
Parking Availability
Adequate; good truck stop coverage along I-40, I-24, and I-65
Official Source
For the most current trucking regulations in Tennessee, visit the official enforcement page at https://www.tn.gov/safety/tnhp/tnhp-cveu.html.
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Trucking regulations change frequently. Always verify current rules with the official state DOT or highway patrol before operating. This guide is for informational purposes only. Data reflects regulations as of early 2026.