Commercial Driver's License Requirements in Connecticut

Obtaining a Commercial Driver's License (CDL) in Connecticut is regulated by the Connecticut Department of Motor Vehicles (DMV) under the authority of Connecticut General Statutes Chapter 246, Section 14-44. To qualify, an applicant must be at least 18 years old for intrastate operations or 21 years old for interstate commerce. The process begins with securing a Commercial Learner’s Permit (CLP), which requires passing a series of knowledge tests tailored to the specific vehicle class—Class A, B, or C—and any necessary endorsements such as Tanker (N), Doubles/Triples (T), or Hazardous Materials (H). Connecticut also requires all applicants to provide proof of state residency and U.S. citizenship or lawful permanent residency to comply with federal Real ID and FMCSA standards. Effective management of these regulatory requirements is essential for maintaining compliance once you are on the road. DispatchTool simplifies this transition by integrating truck-safe routing that respects Connecticut's specific bridge height restrictions and parkway bans, such as those found on the Merritt Parkway (CT-15). The platform allows drivers to upload and track their CDL expiration dates and medical certificate renewals, ensuring that fleet managers and owner-operators avoid the fines associated with expired credentials. To centralize your compliance documents and streamline your operations, create a DispatchTool account.

Classes of Commercial Licenses in Connecticut

The Connecticut DMV issues three distinct classes of CDLs based on the Gross Vehicle Weight Rating (GVWR) of the vehicle. A Class A license is required for any combination of vehicles with a GVWR of 26,001 pounds or more, provided the towed vehicle exceeds 10,000 pounds. A Class B license is necessary for single vehicles with a GVWR of 26,001 pounds or more, or such a vehicle towing another not exceeding 10,000 pounds. Class C licenses are reserved for vehicles under 26,001 pounds that are designed to transport 16 or more passengers (including the driver) or are used to transport hazardous materials requiring a placard under 49 CFR Part 172. Each class requires a specific set of written and skills tests.

Medical Certification and Self-Certification

Under 49 CFR 383.71, all Connecticut CDL holders must self-certify their type of commercial operation. Drivers must choose between four categories: Non-excepted Interstate (NI), Excepted Interstate (EI), Non-excepted Intrastate (NA), or Excepted Intrastate (EA). If you certify as Non-excepted, you must provide a valid Medical Examiner's Certificate (Form MCSA-5876) issued by a provider on the National Registry of Certified Medical Examiners. The Connecticut DMV requires this certificate to be updated at least every 24 months, though certain medical conditions like hypertension or diabetes may require an annual renewal. Failure to maintain a valid medical card on file will result in the immediate downgrading of the CDL to a standard Class D license.

CLP Application and Knowledge Testing

Before taking the skills test, applicants must obtain a Commercial Learner's Permit (CLP). In Connecticut, the fee for a CLP is $20.00, and it is valid for 180 days. The general knowledge test consists of 50 questions, and a passing score of 80% (40 correct answers) is required. Additional tests include the Air Brakes test (25 questions) and the Combination Vehicle test (20 questions) for Class A applicants. Per FMCSA Entry-Level Driver Training (ELDT) regulations effective since February 2022, all first-time applicants must complete a theory training curriculum from a provider listed on the Training Provider Registry (TPR) before they are permitted to sit for the skills exam.

Skills Testing and Road Exams

The Connecticut CDL skills test consists of three parts: the Pre-Trip Inspection, Basic Control Skills (backing maneuvers), and the On-Road Driving test. The state charges a $30.00 fee for the skills test appointment. During the Pre-Trip Inspection, the applicant must identify and explain the condition of at least 50 different vehicle components, including the air brake system check, which is a 'must-pass' section. The road test evaluates the driver's ability to navigate real-world Connecticut traffic, including turns, intersections, and highway merging. If an applicant fails any portion of the skills test, they must wait at least 7 days before attempting the test again and pay a new $30.00 fee.

CDL Fees and Renewal Cycles

Connecticut offers two renewal cycles for a CDL: a 4-year license costs $70.00, while an 8-year license costs $140.00. In addition to the base license fee, there is a $12.00 fee for each endorsement added. For drivers with a Hazardous Materials (H) endorsement, the renewal cycle is strictly every 5 years due to the mandatory TSA Threat Assessment, which costs approximately $86.50 for the background check and fingerprints. These fees are non-refundable and must be paid at the time of the DMV transaction. Drivers should also account for the $40.00 application fee for the initial CDL, bringing the total starting cost for a new driver to approximately $160.00 to $200.00 including permit and testing fees.

Entry-Level Driver Training (ELDT) Compliance

Since February 7, 2022, Connecticut has fully implemented the FMCSA ELDT mandate. This requires all individuals applying for a Class A or Class B CDL for the first time, or those upgrading their license, to complete a standardized training program. This training must be conducted by an entity registered with the FMCSA Training Provider Registry. The training consists of both theory and behind-the-wheel (BTW) instruction. There is no federally mandated minimum number of hours for BTW training, but the instructor must certify that the student is proficient in all required maneuvers. The CT DMV will verify the completion of this training electronically before the applicant is allowed to schedule their skills test.

Sources

Connecticut DMV - Commercial Driver's License Manual (2024) — https://portal.ct.gov/dmv/licenses-permits-ids/get-cdl FMCSA Entry-Level Driver Training (ELDT) (2024) — https://tpr.fmcsa.dot.gov/ Connecticut General Statutes Chapter 246 (2023) — https://www.cga.ct.gov/current/pub/chap_246.htm

Frequently asked

What is the minimum age for a CDL in Connecticut?

The minimum age is 18 for intrastate driving within Connecticut boundaries. To drive across state lines (interstate) or transport hazardous materials, federal law requires the driver to be at least 21 years old.

How much does a Connecticut CDL cost in total?

For a new applicant, the total cost is approximately $160.00. This includes a $40.00 application fee, a $20.00 CLP fee, a $30.00 skills test fee, and $70.00 for a 4-year license.

Can I keep my CT CDL if I move out of state?

No, per FMCSA regulations, you must transfer your CDL to your new state of residence within 30 to 60 days of moving. You will generally not be required to re-test if your CT CDL is in good standing.

What happens if my medical card expires in Connecticut?

The CT DMV will change your CDL status to 'not-certified' and send a notice. If a new medical certificate is not provided, your commercial privileges will be downgraded to a Class D license within roughly 60 days.