On This Page
*THP
Dial *THP (*847) in the event of an emergency to connect to the Tennessee Highway Patrol. More safety tips available at the Department of Safety's Road Safety Tips page.
Frequently asked questions
IRP / IFTA
International Registration Plan and International Fuel Tax Agreement
The Tennessee Department of Revenue handles IRP titling and IFTA reporting. Answers to Frequently Asked Questions for each topic are provided here for your convenience.
Overweight / Overdimension
Overweight / Overdimension FAQs
The Tennessee Highway Patrol's Commercial Vehicle Enforcement site has answers to frequently asked Overweight / Overdimension questions. Visit site.
CDL
Commercial Driver's License
The Tennessee Department of Safety's Commercial Driver License page gives answers to frequently asked questions related to Commercial Driver Licenses. Visit page.
DataQs
Waivers
DataQs is an online system for filing concerns about Federal and State data released to the public by the Federal Motor Carrier Safety Administration (FMCSA). Visit site.
Glossary
Glossary and Acronyms
Visit our glossary of terms and acronyms page for acronyms and definitions of terms used in the trucking industry and on this site.