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Texas Combination Vehicles Test

Practice with questions built for Texas roads – like the 10,000+ trucks you'll see daily on I-10 near Houston.

106
Questions
80%
To Pass
25
Minutes

106 questions · 25 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 Texas CDL handbook and FMCSA regulations.

About the Texas Combination Vehicles Test

Texas has more trucking miles than any other state. From oil field tankers on US 285 to livestock trailers on I-35, combination vehicles rule our highways. You'll face unique challenges – flat land that pushes speed limits, sudden thunderstorms that slick the asphalt, and construction zones that shift lane widths.

Our practice test covers the exact topics from the Texas CDL handbook. Each question targets a skill you need on real Texas roads. You'll learn how to couple trailers correctly, manage air brakes in 100°F heat, and inspect your rig before hitting a weigh station.

Don't waste time on generic practice tests. We built this for Texas drivers. Pass your combination vehicles endorsement the first time – save money and get on the road faster.

Topics Covered

✓Coupling and uncoupling – critical for Texas oil field trailers that change daily
✓Air brakes – essential when Texas summer heat can boil moisture in brake lines
✓Vehicle inspection – remember Texas weigh stations that check every detail
✓Driving techniques – navigating I-35 construction zones and tight farm roads
✓Cargo handling – secure loads against bumpy rural roads and high crosswinds
✓Emergency procedures – staying safe during Texas thunderstorms and flash floods

Study Tips

Start with the Texas CDL handbook, pages 46–70. Focus on the pre-trip inspection list – Texas examiners watch you check every light and hose. Spend extra time on air brake adjustment: you'll need to do it on the test.

Use our practice test to find weak spots. Take it repeatedly until you score 90% or higher. On test day, arrive early at your DPS office. Bring your learner permit, medical certificate, and a valid ID. No cell phones allowed in the testing room.

Texas Specific Information

Texas DPS offers CDL knowledge tests at most driver license offices. Walk-ins are accepted, but appointments guarantee a slot. Book online at the DPS website up to 90 days ahead. The test fee is $30 per endorsement, payable by card or cash.

You can take the combination vehicles test in English or Spanish. If you fail, you must wait 24 hours before retesting. For the skills test, third-party testers are available in many counties – often faster than DPS. Check the DPS list of approved third-party testers near you.

Remember: Texas requires a CDL for any combination vehicle with a gross combination weight rating of 26,001 pounds or more. Don't forget your medical certificate – without it, you can't start the test.

Frequently Asked Questions

Do I need a CDL to pull a large RV or boat trailer in Texas?
Yes, if the gross combination weight rating hits 26,001 pounds or more. That includes many fifth-wheel RVs and triple-axle boat trailers. Check your vehicle's GVWR and trailer GVWR – add them together. If you're over the limit, you need a CDL with the right endorsements.
Can I take the combination vehicles test in Spanish?
You sure can. Texas offers the CDL knowledge test in multiple languages, including Spanish. Just ask at the counter when you check in. The test itself won't change – all the questions and answers are in Spanish.
What documents do I need for the CDL skills test in Texas?
Bring your current Texas driver license, the learner permit, a valid medical examiner's certificate, proof of residency (like a utility bill), and the vehicle you'll use for the test with proof of insurance and registration. Don't forget the self-certification form – you can download it from the DPS site.
How do I schedule a CDL test at a Texas DPS office?
Go to the Texas DPS public appointment portal. Pick your county, choose a 'CDL Knowledge Test' appointment, and select a date. Walk-ins are allowed but you might wait hours. Appointments are free and save you time.
Is there a wait time for the combination vehicles test in Texas?
It varies. In busy offices like Houston or Dallas, appointments fill up three weeks out. Rural offices often have slots open within days. If you need it faster, use a third-party tester – they usually have availability within 48 hours. Just check they're approved by DPS.
JM

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

Last verified: August 2026 · FMCSA-compliant content