Missouri Pre-Trip Inspection Test

About the Missouri Pre-Trip Inspection Test

Your pre-trip inspection isn't just a test — it's your daily safety routine. In Missouri, you'll find everything from frozen roads in the north to truck-heavy routes on I-70. You need to check every component before you roll.

Missouri's agricultural industry means lots of grain haulers. You'll see combines on narrow highways. Your pre-trip must cover coupling systems and trailer brakes. That's why we focus on those areas here.

The DMV examiner will watch you perform the entire vehicle inspection. You'll walk around your truck, check lights, tires, air brakes, and more. Don't miss a step. Our practice questions drill you on the exact order Missouri expects.

This test gives you 25 questions based on the Missouri CDL handbook. You'll learn what's critical for the real test and build confidence before you head to the DMV office.

What This Test Covers

• Air brake system check — Missouri's hilly terrain requires reliable brakes on steep downgrades.
• Tire condition — Missouri's hot summers and cold winters cause tire pressure changes that can lead to blowouts.
• Coupling devices — Common among Missouri's many livestock and grain trailers; a failed coupling means an instant fail.
• Lights and reflectors — Essential for visibility on I-44's night traffic and during Missouri's frequent fog.
• Steering and suspension — Missouri's rough highways and construction zones demand extra attention to steering components.
• Emergency equipment — Preparedness for Missouri's unpredictable weather, from ice storms to tornadoes.

Study Tips

Practice your inspection at home with a real truck. Missouri's DMV requires you to explain every step out loud. Don't just point — say what you're checking and why.

Focus on air brake tests. Missouri examiners often fail drivers who can't explain the air brake system. Know your governor cut-out and cut-in pressures.

Arrive early to your test. Missouri testing sites can be busy. Bring your CDL handbook for last-minute review.

Missouri DMV Information

You'll take your pre-trip test at a Missouri DMV office or a third-party location. Many drivers choose the Independence or St. Louis facilities. Appointments are required — walk-ins aren't accepted. Book online at the Missouri DMV website.

The test fee is included in your CDL skills test fee, which varies by location. Expect to pay around $50 to $60. Bring a valid commercial learner's permit.

If you fail, you can retest after 24 hours. Most locations allow one retake per week. Check your local office's policy for exact details.

Frequently Asked Questions

Related Resources

Other Missouri CDL Practice Tests

Test Details

• State: Missouri
• Test: Pre-Trip Inspection Test
• Questions: 100
• Passing Score: 80%
• Time Limit: 30 minutes
• Cost: Free

Need ELDT Training?

If you're getting your first CDL, you need ELDT theory training before your skills test.