Commercial Vehicles

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• Commercial Driver's License (CDL)

  Useful information on obtaining, renewing, and transferring a Commercial Driver's License (CDL). 

  Agency: Department of Motor Vehicles

• Commercial Driver's License Medical Requirements

  In order to maintain a CDL and CDIP, commercial drivers must provide the DMV with a Medical Examiner's Certificate from a certified medical examiner.

  Agency: Department of Motor Vehicles

• Commercial Vehicle Safety

  Learn how the State of Connecticut DMV enforces commercial vehicle safety.

  Agency: Department of Motor Vehicles

• Connecticut Commercial Driver’s Manual

  The state's commercial driver's manual is available to read or download from the site.

  Agency: Department of Motor Vehicles

• DOT Numbers

  A DOT Number is required and serves as a unique identifier when collecting and monitoring a company's safety information.

  Agency: Department of Motor Vehicles

• International Registration Plan (IRP)

  Connecticut is a member of the International Registration Plan (IRP). Motor vehicles registered in Connecticut that travel through other IRP districts, such as US states and Canadian provinces. Find IRP information here.

  Agency: Department of Motor Vehicles

• Motor Carrier Services Portal

  Drivers can obtain credentials and conduct transactions related to fuel taxes, international registration and oversize and overweight permits.

  Agency: Department of Motor Vehicles

• Register a Commercial Vehicle

  How to obtain a commercial registration.

  Agency: Department of Motor Vehicles

• Taxis, Livery, and Moving Companies

  Procedures for applying for taxi, livery and moving companies; transferring permits, record keeping and information about fares.

  Agency: Department of Transportation