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Mississippi Doubles and Triples Test

Practice for hauling doubles on I-55 through Jackson's summer thunderstorms.

93
Questions
80%
To Pass
25
Minutes

93 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 Mississippi CDL handbook and FMCSA regulations.

About the Mississippi Doubles and Triples Test

Mississippi's roads demand real skill for doubles and triples. You'll face tight turns on I-20's curves near Vicksburg. Heavy rain and fog in the Delta can reduce visibility fast. That's why you need proper training before your endorsement test.

Our practice test uses real Mississippi CDL questions. You'll learn how to handle these combinations on I-10 along the Gulf Coast. Traffic from the Port of Gulfport adds extra challenges. We cover coupling, braking, and off-tracking specific to your state.

Triples are rare in Mississippi, but you still need to know them. Most carriers run doubles on long stretches like I-55. Watch for crosswinds on open sections north of Jackson. The state's humidity can make roads slick after a quick shower.

Don't guess on test day. Take this free practice test first. It matches the Mississippi DPS format exactly. You'll know if you're ready before you schedule your exam.

Topics Covered

✓Coupling and uncoupling – you'll do it at tight Mississippi rest stops with limited space.
✓Braking distances – longer on heavy MS roads with heat that fades your brakes fast.
✓Off-tracking – critical for I-10's tight on-ramps near Biloxi.
✓Inspecting hitches and air lines – you must check every connection before every trip.
✓Weight distribution – Mississippi's farm-to-market roads have uneven surfaces.
✓Emergency procedures – react fast to blowouts on I-55's concrete stretches.

Study Tips

Start with the Mississippi CDL Handbook. Focus on the doubles and triples section. Our practice test covers the same topics. Take it several times until you score 90% or higher.

Visit a Mississippi DPS office for the endorsement test. You'll need your valid CDL and a completed application. Walk-in appointments exist, but call ahead to confirm. Bring your own vehicle if possible – it helps you stay comfortable. Don't forget the $25 fee (cash or card).

Mississippi Specific Information

Mississippi DPS offers the Doubles and Triples test at most driver exam stations. Major locations include Jackson, Gulfport, Hattiesburg, Tupelo, and Southaven. You don't need an appointment at all offices, but book online where available to save time.

The test costs $25 plus any standard CDL endorsement fees. You'll take a 20-question multiple-choice exam. You need 16 correct to pass (80%). No driving test required – it's a written-only endorsement. Bring your current CDL, proof of residency, and payment.

Check the Mississippi DPS website for office hours before you go. Some rural stations close for lunch. Plan for at least an hour. You'll get your new endorsement printed right away if you pass.

Frequently Asked Questions

Do I need a separate endorsement for doubles and triples in Mississippi?
Yes. It's a written-only endorsement added to your CDL. You don't need a driving test, just a 20-question written exam.
Can I drive doubles on all Mississippi highways?
No. Some roads restrict doubles due to weight or size limits. You must check posted signs and local laws. Interstates like I-55, I-20, and I-10 are your safest bets.
What's the minimum age for a CDL with doubles/triples in Mississippi?
You must be at least 18 for intrastate and 21 for interstate. Mississippi doesn't have special age rules for the endorsement itself.
Where can I take the doubles and triples test in Mississippi?
Most DPS driver exam stations offer it. Main offices in Jackson, Gulfport, and Hattiesburg are popular choices. Smaller offices may not test daily – call ahead.
How much does the endorsement test cost in Mississippi?
It costs $25. You can pay with cash or a card. Some stations add a small convenience fee for credit cards.
JM

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

Last verified: August 2026 · FMCSA-compliant content