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Connecticut
Connecticut CDL · Updated 2026

Connecticut CDL Practice Tests

Connecticut issues Commercial Driver Licenses (CDLs) through the Department of Motor Vehicles (DMV). You study the Connecticut CDL Manual, apply for a Commercial Learner's Permit (CLP) at a DMV office, pass written knowledge tests, hold the CLP at least 14 days, finish federally required Entry-Level Driver Training (ELDT), then pass the road skills test.

Based on the official state DMV CDL manual.

Connecticut CDL quick facts

Min age (intrastate)

18 to drive a CMV within Connecticut.

Min age (interstate)

21 to drive across state lines.

CLP hold period

14 days minimum before the skills test.

General Knowledge test

~50 Qs; 80% to pass.

Sources: CT DMV Get a Commercial Driver License Connecticut CDL Manual (PDF, rev. 11-20-2024) CT DMV Fees

Connecticut CDL FAQ

Who issues CDLs in Connecticut?

The Connecticut Department of Motor Vehicles (DMV), headquartered in Wethersfield, issues CDLs at DMV offices statewide.

What does a Connecticut CDL cost?

$16 knowledge exam, $10 CLP, $30 (prepaid) skills test, $5 per endorsement, and $70 for the CDL license.

How long must I hold my Connecticut CLP?

At least 14 days before you can take the CDL skills test. The CLP is valid for one year.

Whatu0027s the minimum age for a Connecticut CDL?

18 for intrastate driving (within Connecticut). 21 for interstate, hazmat, and many passenger jobs.

How many questions are on the Connecticut General Knowledge test?

50 multiple-choice questions; you need 40 correct (80%) to pass.

Is ELDT required in Connecticut?

Yes. First-time Class A or B applicants and first-time H, P, or S endorsement applicants must finish FMCSA-approved ELDT before taking the road skills test.