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

Uncoupling a multi-trailer combination reverses the coupling order, and this Vermont doubles and triples uncoupling test covers exactly how that sequence works. Rather than starting at the tractor, a driver typically works backward from the front trailer toward the rear, chocking wheels, closing the correct air shut-off valves, and disconnecting lines at each junction in turn.

This uncoupling test also covers lowering landing gear on trailers being left behind, securing loose air and electrical lines so they are not dragged or damaged, and confirming each remaining piece of the combination stays stable once a trailer or dolly is removed. Skipping a step here or doing it out of order is exactly the kind of mistake the Vermont DMV built this section to catch.

Run through this doubles and triples uncoupling test until the reverse sequence is just as automatic as coupling was. Vermont CDL applicants who master both directions of this procedure walk into the T endorsement exam at the Vermont DMV fully prepared.

Keep going:

• Vermont Doubles and Triples Practice Test
• Vermont Doubles and Triples Practice Test 2
• Vermont Doubles and Triples Endorsement Test
• Vermont CDL Practice Test
• Vermont Air Brakes Practice Test
• Vermont CDL Combination Practice Test
• Vermont CDL Pre-Trip Inspection Practice Test
• Vermont Hazmat Practice Test
• Vermont CDL Practice Test

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