Back to Tennessee TestsNot Tennessee? Change state

Tennessee Hazmat Test

You'll master hazmat rules for Tennessee's steep grades on I-40 near the Cumberland Plateau.

147
Questions
80%
To Pass
40
Minutes

147 questions · 40 min time limit · 80% to pass

Opens in a practice window — choose your mode inside.

JM

Reviewed by Jack Mahana, CDL Instructor (13+ years)

Last verified: August 2026

All questions sourced from the official Tennessee CDL handbook and FMCSA regulations.

About the Tennessee Hazmat Test

Tennessee's hazmat drivers handle everything from propane deliveries in Smoky Mountain towns to chemical tankers on I-75. You'll need to know how to manage steep grades near Monteagle and the thick fog along I-40's Plateau. This test covers those real-world scenarios.

Tennessee weather changes fast. You might deal with sudden ice storms in winter or heavy rain on the Nashville urban loop. Our questions test your hazmat knowledge for these conditions – including proper emergency response when visibility drops.

Chemical plants in Memphis and fuel depots in Nashville keep you busy hauling hazardous materials daily. We've modeled questions after actual Tennessee CDL exam topics, focusing on placarding for every load passing through Chattanooga or Knoxville.

Practice now and save time. Each question includes a clear explanation so you learn why the answer is right. Pass your Tennessee hazmat test with confidence.

Topics Covered

✓Hazardous materials classification – critical for identifying loads on Tennessee's interstates like I-40 and I-24.
✓Placarding and labeling – required for every hazmat shipment passing through Nashville or Memphis.
✓Loading and unloading procedures – especially important on steep grades near Chattanooga and the Cumberland Plateau.
✓Emergency response – Tennessee's rural areas mean you might be first on the scene with no nearby help.
✓Shipping papers – must be accessible for inspection on I-75 and I-65.
✓Tunnel and bridge restrictions – some Tennessee tunnels ban certain hazmat loads, like the I-124 trench in downtown Chattanooga.

Study Tips

Study the Tennessee CDL Hazmat section from the official manual. It covers state-specific placarding rules and local route restrictions. Use our practice test to find weak spots. Don't skip questions about bulk containers – they're common on Tennessee's rural delivery routes.

Take your knowledge test at a Tennessee Driver Services office. Schedule an appointment online at tn.gov/safetystar to avoid long waits. Bring your CDL permit, proof of residency, and social security card. The hazmat endorsement costs an extra $12 on top of the standard CDL fees.

Tennessee Specific Information

You can take the hazmat knowledge test at any Tennessee Driver Services location. Appointments are recommended – check tn.gov/safetystar. The test costs $12 plus the standard CDL knowledge test fee. Bring your CDL permit and proof of residency.

If you fail, wait at least one business day to retake. Tennessee allows three retests per year. Use our practice test to pass the first time – that saves you time and money. You'll also need to pass a TSA background check for the hazmat endorsement.

Frequently Asked Questions

How long is the Tennessee hazmat endorsement valid?
It's good for 5 years, same as your CDL. You also need to pass a TSA background check every time you renew.
Do I need a hazmat endorsement for empty tanks?
Yes, if the residue is hazardous. Tennessee follows federal rules here – even an empty tank still counts.
Can I take the hazmat test online in Tennessee?
No, you must take it in person at a Driver Services office. Schedule an appointment to save time.
What happens if I move out of Tennessee?
Your endorsement stays valid until your CDL expires. Then you'll need to transfer to your new state's CDL program.
Are there special hazmat routes in Tennessee?
Yes, some roads restrict hazmat, like I-440 near Nashville. Check Tennessee's route map before driving.
JM

Reviewed by Jack Mahana, CDL Instructor (13+ years)

Last verified: August 2026 · FMCSA-compliant content