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Montana Doubles and Triples Test

You’ll haul double trailers on I-90 through the Continental Divide — we’ll help you prepare.

Questions

80%

To Pass

Minutes

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

Opens in a practice window — choose your mode inside.

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

Last verified: August 2026

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

About the Montana Doubles and Triples Test

Montana’s big skies mean big loads. You’ll often pull double or even triple trailers across hundreds of miles of two‑lane highways and interstates. From the flat plains east of Billings to the mountain passes near Missoula, every mile demands careful attention.

Our practice test focuses on the real challenges Montana drivers face. You’ll tackle questions about coupling and uncoupling on icy lots at rest areas like the one on US‑2 near Shelby. You’ll learn how to handle crosswinds that slam into your trailers on I‑94 east of Glendive. And you’ll review emergency procedures for the steep downgrades on Homestake Pass.

This isn’t just a generic test. We built it from the Montana CDL manual and the state’s specific regulations. You won’t waste time on stuff that doesn’t apply here. Every question helps you drive safer on Montana roads.

Pass the real DMV exam. Start with this free practice test — it’s the closest thing to the actual written test you’ll find anywhere.

Topics Covered

✓Coupling and uncoupling — critical for Montana’s long, straight roads where you’ll park at remote rest stops.

✓Weight distribution — avoid fishtailing on windy sections of I-94 and US-191.

✓Safe speeds for curves and downgrades — know how to take the turns on Marias Pass without losing control.

✓Inspecting your rig — check brakes and connectors before every trip, especially in Montana’s cold winters.

✓Emergency procedures — what to do if a trailer’s brakes fail while descending the Bitterroot Mountains.

✓Endorsement regulations — Montana’s specific rules for doubles and triples, including age and medical card requirements.

Study Tips

Before you take the real Montana DMV test, study the official CDL manual’s doubles and triples section. Focus on the coupling and uncoupling steps — that’s where most folks lose points. Practice with our test until you score 100% every time. The real exam doesn’t give second chances.

Call your local driver exam station ahead of time. Some Montana offices, like the one in Helena, require appointments for endorsement tests. Walk‑ins fill up fast. Also, bring your medical card and pay the $10 endorsement fee — they won’t let you test without it.

If you’re taking the skills test, practice backing a double trailer in a straight line. Montana’s rest areas don’t have fancy maneuvering space. Use an empty parking lot. And watch the weather — wind gusts in the eastern part of the state can push your trailers sideways.

Montana Specific Information

You can take the Montana CDL written test for the Doubles and Triples endorsement at any driver exam station. Major locations include Billings, Missoula, Great Falls, and Butte. Most offices operate Monday through Friday, 8 AM to 5 PM. Check the Montana DOJ website for holiday closures and any walk‑in restrictions.

Appointments are strongly recommended. In cities like Kalispell and Bozeman, wait times can stretch to three weeks during summer. Schedule online or by phone. When you arrive, bring your current CDL, a valid DOT medical card, and the endorsement fee (currently $10). You’ll also need to pass a vision screening.

The written test has 20 multiple‑choice questions. You need 16 correct (80%) to pass. The test is offered on a computer — you get results instantly. If you fail, you can retake it the next business day, but you’ll pay the fee again. Don’t rush. Take our practice test multiple times first.

Frequently Asked Questions

What’s the minimum age for a doubles endorsement in Montana?

You must be at least 21 years old to drive doubles or triples in Montana. That’s a federal rule and state law.

Do I need a medical card to take the doubles test?

Yes. A valid DOT medical card is required before you can take any CDL endorsement test. No exceptions.

Where can I take the doubles skills test in Montana?

Skills tests for doubles are offered at select driver exam stations, including Billings, Missoula, and Great Falls. Some sites only offer them on certain weekdays — call ahead to confirm.

Can I practice driving doubles without the endorsement on my CDL?

You can only practice with a commercial learner’s permit (CLP) that has the doubles/triples restriction removed. You also need a qualified trainer in the passenger seat.

How much does the doubles endorsement cost?

It’s $10 added to your CDL license fee when you apply. You’ll also pay the standard CDL renewal fee if your license is up for renewal.

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

Last verified: August 2026 · FMCSA-compliant content