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Missouri Combination Vehicles Test

This test covers the same topics you'll face at your Missouri DMV exam – including how to handle I-70's steep grades and farm-to-market traffic.

106

Questions

80%

To Pass

Minutes

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

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

Last verified: August 2026

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

About the Missouri Combination Vehicles Test

Missouri's combination vehicle drivers face unique challenges. You'll navigate I-70's steep grades near the Missouri River, or haul grain on I-44 through the Ozarks. Winter ice and summer heat require special care. That's why our practice test focuses on the skills you actually need.

We don't waste your time with fluff. Each question comes straight from the Missouri CDL handbook. You'll practice coupling and uncoupling, air brake checks, and managing rollover risks. Pass the Missouri DMV exam on your first try.

Our test updates regularly to match Missouri's CDL rules. You can take it on your phone, tablet, or computer. No signup required. Just start studying.

Topics Covered

✓Coupling and uncoupling – crucial for Missouri's many truck stops along I-70.

✓Air brake systems – Missouri's hilly terrain demands perfect brake control.

✓Preventing rollovers – tight curves on I-44 near Springfield are a hazard.

✓Driving in bad weather – Missouri's sudden storms can blind you.

✓Cargo securement – ensure farm equipment doesn't shift on I-55.

✓Pre-trip inspection – Missouri examiners look for thoroughness.

Study Tips

Visit the Missouri DMV website to find your nearest testing center. You'll need an appointment – walk-ins aren't accepted everywhere. Bring your CLP, medical card, and proof of residency. Study the Missouri CDL handbook's Combination Vehicles chapter. Use our practice test to find weak spots. Focus on air brake and coupling questions – that's where most people fail. If you're testing in St. Louis or Kansas City, expect longer wait times. Schedule early.

Missouri Specific Information

Missouri offers CDL testing at more than 20 locations statewide. You must schedule an appointment by phone or online – some offices accept same-day appointments. Fees: $15 for the combination vehicles endorsement (written test) plus $25 road test fee. No retest fee for the written if you fail, but you must wait 24 hours. For the road test, you'll pay again. Bring a vehicle that meets Missouri's inspection requirements.

Frequently Asked Questions

Do I need a CLP before taking the Combination Vehicles test in Missouri?

Yes. You must hold a valid Missouri CLP for at least 14 days before your skills test. The written knowledge test for combination vehicles can be taken anytime after you get your CLP.

Can I take the combination vehicles written test in Spanish?

Missouri offers CDL written tests in English and Spanish. Check with your local DMV office for availability.

How long is the Missouri CDL combination vehicles written test?

The test has 20 questions. You need 16 correct (80%) to pass. You have 25 minutes.

What happens if I fail the combination vehicles test in Missouri?

You can retake it the next business day. No extra fee for the written retest, but you'll need to schedule a new appointment.

Does Missouri accept out-of-state CDL endorsements?

No – you must take Missouri's written and skills tests to add the combination vehicles endorsement to your CDL.

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

Last verified: August 2026 · FMCSA-compliant content