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Tennessee Doubles and Triples Test

You'll haul doubles through the I-24 stretch near Monteagle Mountain — our test prepares you for that.

Questions

80%

To Pass

Minutes

93 questions · 25 min time limit · 80% to pass

Opens in a practice window — choose your mode inside.

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 Doubles and Triples Test

Driving doubles in Tennessee means dealing with everything from flat farm roads in West Tennessee to steep mountain grades on I-40 near the North Carolina border. The I-24 Monteagle Mountain climb is a challenge for any combination vehicle. You'll also face tight exit ramps on I-65 around Nashville and sudden fog in the Tennessee Valley.

Our practice test covers the specific coupling, air brake, and handling procedures the Tennessee DMV expects. Each question comes straight from the state's CDL manual. We focus on the areas where Tennessee drivers struggle most — like proper brake pressure checks before descending and controlling sway in crosswinds.

Whether you're hauling FedEx trailers out of Memphis or delivering goods to distribution centers in Chattanooga, you need the T endorsement. This test gives you a realistic feel for the actual exam. You'll see 20 multiple-choice questions, just like the real thing, and you have 25 minutes to finish.

Don't leave your future to chance. Practice now, pass later. Tennessee doesn't offer online testing for this endorsement, so make sure you're ready when you walk into the Driver Services Center.

Topics Covered

✓Coupling and uncoupling procedures – critical when you're hooking up doubles at Memphis distribution centers.

✓Air brake system checks – Tennessee's hilly terrain demands perfect brake balance.

✓Safe speed for curves – Monteagle Mountain's sharp turns don't forgive mistakes.

✓Weight distribution – avoid rollovers on I-40's winding sections.

✓Pre-trip inspection for doubles – catch issues before hitting Tennessee's long hauls.

✓Handling crosswinds – common on I-65's open stretches near the Kentucky border.

Study Tips

Study the Tennessee CDL Manual's doubles section – it's only 20 pages. Focus on the coupling checklist because the DMV tester will ask you to demonstrate it. Take our practice test repeatedly; most Tennessee drivers pass after scoring 90%+ here. On test day, remember Tennessee enforces a 25-minute limit for this endorsement – manage your time.

Pay extra attention to the pre-trip inspection questions. The Tennessee DMV tests you on specific items like the converter dolly's safety chains and the brake hoses. Use our test to memorize the order. Also, review the air brake section thoroughly – Tennessee's mountainous roads make those questions a priority.

Tennessee Specific Information

You can take the doubles endorsement test at any Tennessee DMV Driver Services Center that offers CDL testing. Most locations require an appointment – book at tn.gov. The fee is $52 for the skills test plus $10 endorsement fee. Bring your CDL permit, a DOT medical card, and a commercial vehicle for the skills test. Note: Tennessee does not offer online testing for this endorsement.

Find testing locations in Memphis, Nashville, Knoxville, and Chattanooga. If you live in a rural area, smaller centers like Jackson or Johnson City also offer CDL services but may have limited appointment slots. Plan ahead. The Tennessee DMV doesn't accept walk-ins for CDL skills tests.

Frequently Asked Questions

Do I need a separate endorsement for doubles and triples in Tennessee?

Yes, you need the T endorsement. The DMV adds it to your Class A CDL after passing the knowledge and skills tests.

Can I skip the skills test if I already have a doubles endorsement from another state?

No, Tennessee requires a new skills test for the T endorsement even if you're transferring a CDL from another state. You only get a waiver for the knowledge test if you show proof of a valid out-of-state T endorsement.

Where can I test for doubles in Tennessee?

Most Driver Services Centers with CDL testing offer the T endorsement. Check tn.gov for locations near you. Memphis, Nashville, Knoxville, and Chattanooga have dedicated CDL testing facilities.

What if I fail the doubles test?

You can retake it the next business day. There's a $10 retest fee. We recommend reviewing your weak areas with our practice test first.

Does Tennessee allow triple trailers?

Yes, but only on designated routes. You need the T endorsement and must follow Tennessee's weight and length limits. Triples aren't allowed on I-40 through the Smokies or on some state highways.

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

Last verified: August 2026 · FMCSA-compliant content