Department of Motor Vehicles: 

• Connecticut's Drunk Driving Law

• Questions and Answers About Drinking and Driving

• FAQs on the Ignition Interlock Device Program

Legislative Reports from the Connecticut Office of Legislative Research:

• Drug-Impaired Driving Laws - 2019-R-0056

• Connecticut DUI Law - 2016-R-0147

• Driving Under the Influence and Hit and Run Laws - 2013-R-0235

• DUI Urine Tests for Marijuana - 2013-R-0134

• State Ignition Interlock Laws - 2012-R-0095

• Connecticut DUI Laws - 2011-R-0319

• DUI - Connecticut Law (Summary) - 2008-R-0512

• DUI Laws In Connecticut And New York - 2008-R-0506

• Open Alcohol Containers in Motor Vehicles - 2005-R-0152

Judicial Branch Statistics:

• Driving Under the Influence (DUI) cases

• 211 Infoline - Pretrial Alcohol Education System

Selected Statutes:

• Sec. 14-37a. Special operator's permit for purposes of employment, education or medically necessary treatment.

• Sec. 14-227a. Operation while under the influence of liquor or drug or while having an elevated blood alcohol content.

• Sec. 14-227b. Implied consent to test operator's blood, breath or urine. Testing procedures. License suspension. Hearing.

• Sec. 14-227e. Community service for persons convicted of operation while under the influence of liquor or drug.

• Sec. 14-227g. Operation by person under twenty-one years of age while blood alcohol content exceeds two-hundredths of one per cent. Procedures. Penalties.

• Sec. 14-227h. Impoundment of motor vehicle operated by certain persons arrested for operating while under the influence of liquor or drug.

• Sec. 53a-40f. Persistent operating while under the influence felony offender. Authorized sentences.

• Sec. 53a-56b. Manslaughter in the second degree with a motor vehicle: Class C felony.

Selected Regulations:

• Sec. 14-217-1 - Taking Possession of Operators' Licenses by Certain State and Local Authorities

• Sec. 14-227a-1b to 14-227a-10b - Forensic Chemical Testing of Blood, Breath or Urine (Motor Vehicle)

• Sec. 14-227b-1 to 14-227b-29a - 404 Administrative Procedures for 'Per Se' Suspension of Motor Vehicle Operator's License

• McCoy v. Commissioner of Public Safety, 300 Conn. 144 (2011)
  We conclude that a breach of Sec. 14-227a does not fall within the motor vehicle violation exception to the definition of a criminal "offense" pursuant to General Statutes Sec. 53a-24 (a) and, therefore, a second conviction under Sec. 14-227a within a ten year period is a felony because it carries with it a term of imprisonment of up to two years.

• State v. Haight. 279 Conn. 546 (2006)
  What constitutes operating a motor vehicle?

• Tarro v. Commissioner of Motor Vehicles, 279 Conn. 280 (2006)
  Officer had a reasonable suspicion to stop a speeder.

• State v. Milotte, 95 Conn. App. 616 (2006)
  Police officer lacked a reasonable and articulable suspicion of criminal activity to justify a warrantless investigatory stop of defendant's vehicle

• Pretrial Alcohol Education Program Application JD-CR-44