Drink-driving limits in Connecticut (2026)

Last reviewed: 29 October 2026

In short: The state sets a limit of 0.08% blood alcohol for ordinary drivers. Drivers under 21 face a limit of 0.02%, and commercial drivers 0.04%. Penalties rise with repeat convictions within ten years.

RuleWhat applies
Random breath tests without suspicionDriving after drinking alcohol⚠ Not yet verified
Blood alcohol limit for ordinary driversDriving after drinking alcohol0.08 % blood alcohol [1]
Lower limit for novice or young driversDriving after drinking alcohol0.02%: a person under 21 may not operate a motor vehicle with a blood alcohol ratio of two-hundredths of one per cent or more. [1]
Limit for professional or commercial driversDriving after drinking alcohol0.04%: operating a commercial motor vehicle with a blood alcohol ratio of four-hundredths of one per cent or more. [1]
Maximum penaltiesDriving after drinking alcoholThird and subsequent conviction within ten years: fine USD 2,000 to 8,000, up to 3 years in prison (1 year of it not suspendable) and permanent licence revocation. Second within ten years: fine USD 1,000 to 4,000, up to 2 years. First: fine USD 500 to 1,000, up to 6 months. [1]

Notes

  • The state's official statute pages could not be read in this round, so nothing is stated for this field.

Sources

  1. Connecticut General Assembly: Conn. Gen. Stat. chapter 248, Vehicle Highway Use, sections 14-227a and 14-227g (Internet Archive snapshot of 9 October 2026) (consulted 29 October 2026) · all sources

National rules that also apply

These rules are set at national level in the United States and apply here too, alongside the rules above. All national rules for the United States

Limit for professional or commercial drivers0.04% alcohol concentration or more: a driver subject to commercial driver's licence rules must not report for or remain on duty performing safety-sensitive functions, and an employer who knows of it must not let the driver continue. (source: Electronic Code of Federal Regulations (Office of the Federal Register))

Connecticut and neighbouring states

StateBlood alcohol limit for ordinary driversLower limit for novice or young driversLimit for professional or commercial driversRandom breath tests without suspicionMaximum penalties
Connecticut
0.08%
0.02% (under 21)
0.04% (commercial)
⚠ Not yet verified
Up to USD 8,000, 3 years (3rd+)
Massachusetts
0.08%
0.02% = licence suspension (under 21)
Zero (commercial vehicles)
⚠ Not yet verified
Fine $500-$5,000 or up to 2.5 years
New York
0.08%
0.02% under 21
0.04% in a commercial vehicle
⚠ Not yet verified
Up to 1 year jail, $500-1,000 fine

More rules in Connecticut

  • CannabisPossession for personal use: Legal, 21+, within limits · Growing at home: 3 mature + 3 immature, max 12/household
  • Car speed limitsBuilt-up areas: Set by posted limits · Outside built-up areas (single carriageway): Posted limit; 55 mph maximum
  • Minimum age for a car driving licenceMinimum age for a car licence: 16 · Earliest age to drive a car supervised: 16 (learner's permit)
  • E-bikes and speed pedelecsLegal class: Class 1-3, bicycle rules · Minimum age: Class 3: 16
  • FireworksConsumers may buy and use category F2 fireworks: No (sparklers excepted) · Minimum age to buy: 16 (sparklers and fountains only)
  • Knives and pepper sprayFolding pocket knives: Banned at 4 in or more of edge · Locking or one-handed knives: Banned if blade over 1.5 in
  • Statutory minimum wageNational statutory minimum wage: Yes · Current adult minimum wage (gross): $16.94 per hour
  • Using a mobile phone while drivingHolding a phone while driving banned: Banned · Hands-free use: Hands-free allowed
  • Seat belts and child seatsSeat belt compulsory in front seats: Yes, all seats · Seat belt compulsory in rear seats: Yes, all seats
  • Tobacco and nicotine age limitsMinimum age to buy tobacco: 21 · Minimum age to buy e-cigarettes: 21
  • Drinking age and alcohol salesMinimum age to buy beer and wine: 21 · Minimum age to buy spirits: 21

Compare with the other states and provinces →

General information, not legal advice. Rules change: check the official source before you fly or ride.