Skip to main content
59People in Louisiana practiced here today

Louisiana CDL Doubles & Triples: Uncoupling Doubles/Triples Test 2026

15
Questions
12
To pass
11
Min to pass

15 questions on the correct order to uncouple a doubles or triples combination without losing air pressure control.

Show More
arrow
Louisiana Official CDL Handbook

This is a Pro practice test

Pro tests need a pass - and during early access the pass is FREE. Activate it and unlock every Louisiana practice test, the Exam Simulator, and the Fix It Bank. No card required.

🎖️ Veteran or transitioning service member? CDL prep is 100% free for you. Claim your free veteran access

About the Louisiana CDL uncoupling test

Taking a set of doubles or triples apart safely follows a careful sequence, and this uncoupling drill for the Louisiana CDL teaches it. Uncoupling doubles and triples means securing each trailer, disconnecting the converter dollies, and separating the units in the correct order, exactly what CDL doubles and triples uncoupling questions test for 2026.

You will learn why you lower the landing gear and set the parking brakes before disconnecting, how to release the dolly from the trailer ahead, and why the rear units come off first. A rushed uncoupling in a Louisiana yard risks a dropped or rolling trailer.

The Louisiana CDL Manual spells out the uncoupling order for multiple trailers, so follow each step. Repeat this doubles and triples uncoupling set until the sequence is automatic, and it will pair naturally with your coupling routine.

Every question traces back to the Louisiana CDL Manual - skim the right-of-way and signs chapters before your retake.

Unlock everything in Louisiana
  • All state tests unlocked
  • Exam Simulator
  • English + Spanish
  • Fix It Bank

Restart your test?

Are you sure you want to restart your test? Your test progress will be lost.

--:--

Time's up!

Your exam session has ended - the timer ran out.

0correct 0incorrect
Back to all tests

🎓 Exam Mode - just like the real thing

  • ⏱ 11-minute timer, same as your DMV
  • 🙈 No hints, no instant feedback
  • 🔀 Questions come in random order
  • ❌ More than 3 mistakes ends the exam - like the real one
  • 💾 Your practice progress on this test stays saved