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New Hampshire Doubles and Triples Test

Tackle New Hampshire's steep grades and tight turns on routes like the Kancamagus Highway with confidence.

Questions

80%

To Pass

Minutes

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

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

Last verified: August 2026

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

About the New Hampshire Doubles and Triples Test

If you're driving doubles or triples in New Hampshire, you'll face unique challenges. Our state's winding two-lane roads and mountainous terrain demand extra caution. Heavy snow and ice in winter make braking distances much longer. You'll often share the road with logging trucks on routes like NH-16 and US-302.

This practice test covers the specific rules for coupling, uncoupling, and controlling multiple trailers. We've designed it to match the New Hampshire DMV test exactly. Each question comes from the official NH CDL handbook. You'll learn how to handle off-tracking on tight corners and manage your speed on I-93's steep grades.

Don't forget the air brake system. Cold weather in New Hampshire can cause air line freeze-ups. Our test includes those scenarios. You'll also practice weight distribution for loads that shift on mountain descents.

Pass this test and you'll be ready for the real thing. We recommend you study the handbook first, then take this practice test until you score 100%. Book your actual DMV appointment in Concord or Manchester when you're confident.

Topics Covered

✓Coupling and Uncoupling – crucial on New Hampshire's uneven loading docks and icy lots

✓Braking Techniques – winter ice on I-93 requires perfect braking and proper use of trailer brakes

✓Offtracking – navigate tight corners on NH back roads without clipping curbs or trees

✓Air Brake Systems – common in cold NH weather; know how to prevent freeze-ups and check for leaks

✓Weight Distribution – logging loads shift on grades like the Kancamagus; balance your trailers

✓Speed Limits – NH limits vary by road and conditions; know the 65 mph max for trucks on interstates

Study Tips

Study the New Hampshire CDL Handbook's chapter on doubles and triples. Focus on air brake inspection procedures – they're critical in cold weather. Use our practice test to nail down the specific rules for coupling and uncoupling. Keep taking it until you score 100% without hesitating.

Book your endorsement test at a NH DMV office in advance. Walk-ins are limited. Bring your current CDL, proof of residency, and medical certificate. The fee is $10. On test day, arrive early and review your notes. You'll pass if you've practiced with us.

New Hampshire Specific Information

New Hampshire offers the doubles/triples endorsement test at several DMV locations. The main offices are in Concord, Manchester, Portsmouth, and Berlin. Each has a written knowledge test for the T endorsement. You must also pass a skills test with a double or triple trailer – that requires a separate road test appointment.

You can schedule your test online at the NH DMV website or by calling your local office. Appointments fill up fast, especially in summer. The fee for the endorsement is $10. If you're renewing your CDL at the same time, you'll pay the renewal fee too. Make sure you bring your current CDL, a valid medical examiner's certificate, and proof of New Hampshire residency.

Don't forget: you need to be at least 21 to drive doubles or triples across state lines, but NH allows intrastate operation at 18 with the endorsement. Check the NH DMV site for any recent rule changes before you go.

Frequently Asked Questions

Do I need a separate endorsement for doubles and triples in New Hampshire?

Yes, you need the T endorsement. You'll pass a knowledge test and a skills test with a double or triple trailer.

What's the minimum age for a doubles/triples endorsement in NH?

You must be at least 21 to drive doubles or triples across state lines, but for intrastate driving, NH requires 18.

Can I take the doubles/triples test online in New Hampshire?

No, NH requires an in-person written test at a DMV office. But you can use our practice test to prepare.

How much does the NH doubles/triples endorsement cost?

The endorsement fee is $10, plus any CDL renewal fees if applicable.

What documents do I need for the NH DMV test?

Bring your current CDL, proof of residency, and medical certificate. Check NH DMV's list for details.

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

Last verified: August 2026 · FMCSA-compliant content