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Ignition Interlock Device Laws in Connecticut

Low Cost Interlock offers the most affordable service for installing an ignition interlock device in CT. You will find dozens of ignition interlock device installation locations through Connecticut, ensuring that you can find the service, tools, and troubleshooting you need wherever you are. Our goal is to make the process of installing and using an ignition interlock system as convenient as possible.

Guidelines for an Ignition Interlock Device in CT

Connecticut laws state that anyone who has been arrested for a DUI violation may be ordered to not operate a motor vehicle unless it is equipped with an alcohol ignition interlock system. Anyone convicted of a DUI must serve a license suspension of up to 45 days or until they turn 21 (whichever is longer). After this suspension period, you are required to install an ignition interlock device for one to three years based on prior drunk driving offenses. For first offenses, you are prohibited from driving a vehicle without an ignition interlock device for 1 year. For a second offense that happens within 10 years of your first offense, you may not be allowed to operate a vehicle without an approved IID in CT for up to 3 years.

After your interlock device installation, you must bring the vehicle to the installer every 30 days to re-calibrate the ignition interlock device. Failure to do so will lead to a suspension of your license. Any tampering with the ignition interlock system, either by trying to remove it without authorization or having another person blow into it, will also lead to a suspension.

Learn more about Connecticut’s ignition interlock device program here.

Connecticut DUI Penalties

For first-time offenders

A DUI can lead to jail time of two days to six months with up to $1,000 in fines.

A second offense

Can result in a jail sentence of 120 days to two years and a fine of up to $4,000.

Third and subsequent offenses

Can lead to up to 3 years of jail time and $8,000 in fines.

You may also be required to serve up to 100 hours of community service. Second and third offenses may also lead to vehicle confiscation or impounding or a permanent license suspension.

For more information on Connecticut’s DUI laws and penalties click here.

General Information

Connecticut’s Drunk Driving Law

Operating Under the Influence (OUI)

In Connecticut, operating a motor vehicle while under the influence of alcohol and/or drugs is a criminal offense.  This offense may be prosecuted with or without any direct evidence of a person’s BAC.  The determining factor is whether a person’s ability to drive has been impaired.

Driving is a privilege, and under Connecticut’s Implied Consent Law any person who operates a motor vehicle is presumed to have given his or her consent to a test to determine blood alcohol concentration (BAC).You are legally intoxicated if your BAC is .08 or above.  If you are under 21 years of age, you are legally intoxicated at a .02 BAC or higher.

Any amount of alcohol will affect your driving ability.  Alcohol’s effect is magnified by emotions, physical condition, use of prescription drugs or other types of drugs, some over-the-counter medications and some herbal supplements.

If you are arrested for Operating Under the Influence (OUI):

  • You will be detained by the police and read your rights.
  • Your vehicle will be towed at your expense.
  • You will be transported to the police station in a police cruiser.
  • If the test registers a BAC of .08 or higher, you will be held on the presumption that you were operating under the influence.
  • You will be kept in a police lock-up until you are bailed out.
 There are two ways to lose your license:

 1.  Administrative Per Se through DMV for failing or refusing a chemical alcohol test

 When a driver is arrested and charged with operating under the influence of alcohol or drugs, the arrest report is sent to DMV.  Upon receipt of the arrest report, DMV imposes a suspension under Connecticut General Statute §14-227b for the failure of the blood, breath or urine test (whichever is requested by the arresting officer) or for the refusal to submit to the test.  In most cases, the suspension will begin 30 days after the arrest date.  The license suspension is based on the arrest information and is separate from any penalties or requirements that may be imposed as a result of the court case.

A notice of suspension will be mailed to the address of record allowing you seven days to request a hearing.  If you wish to request a hearing, call the Administrative Per Se Unit at 860-263-5204 (8:30a.m. to 4:30 p.m. Monday through Friday) before the deadline stated on your suspension notice.
You may also contact the Administrative Per Se Unit to request a hearing by email at DMV.AdminPerse@ct.gov
Beginning with arrest dates on or after July 1, 2015, all driver license suspensions for failing or refusing a chemical alcohol test will be forty-five (45) days.

Installation of an Ignition Interlock Device (IID) will be required prior to restoration for ALL alcohol related suspensions. Following restoration, the IID must be maintained for at least the length of time listed below:

 IID requirement for drivers under 21 years old*

Blood Alcohol Level First Offense Second Offense Third or Subsequent Offense
Test results of .02 or higher 1 year 2 years 3 years

IID requirement for drivers 21 Years Old and Older*

Blood Alcohol Level First Offense Second Offense Third or Subsequent Offense
Test results of .08 or higher 6 months 1 year 2 years

IID requirement for ALL drivers*

Refusal of test First Offense Second Offense Third or Subsequent

Offense

Refusal to submit to a breath, urine, or blood test 1 year 2 years 3 years

 

*If you are convicted in court for operating while under the influence of alcohol or drugs under Connecticut General Statute §14-227a, §14-227g, §14-227m, or§14-227n for the same arrest, the IID may be required for a longer term. The IID is required for the duration specified in Connecticut General Statute §14-227b(i), §14-227a(g), §14-227m(c), or §14-227n(c) whichever is longer. See Section 2 below.

 

2. Court conviction for Operating Under the Influence of Alcohol or Drugs (OUI)

Under Connecticut’s criminal law, a driver arrested for OUI will receive both a summons and a court date.  If the court proceedings result in a conviction, the following penalties must be imposed by the Department of Motor Vehicles:

 

Operating Under the Influence of Alcohol or Drugs

Connecticut General Statute §14-227a, §14-227g, §14-227m, §14-227n*, or §14-111n

 

Conviction on or after July 1, 2015

First
Conviction
45 day license suspension

If the 45 day suspension for failing or refusing a chemical test for the same arrest has already been served, may be eligible for restoration immediately if there are no other suspensions.

Must install Ignition Interlock Device (IID)

IID required for one year following restoration, or for the duration required under the Administrative Per Se law, whichever is longer

If already reinstated with an IID following the suspension for failing or refusing a chemical test for the same arrest, the IID will be credited toward completion of the one year requirement

* A first conviction under

§14-227n has the same penalties as a second conviction

Second

Conviction

45 day license suspension

If the 45 day suspension for failing or refusing a chemical test for the same arrest has already been served, may be eligible for restoration immediately if there are no other suspensions.

Must install Ignition Interlock Device (IID)

IID required for three years following restoration

During the first year of this three-year period you may drive only to or from work, school, an alcohol or drug abuse treatment program, an IID service center, or an appointment with a probation officer.

If already reinstated with an IID following the suspension for failing or refusing a chemical test for the same arrest, the IID will be credited toward completion of the three year requirement

Third or Subsequent Conviction Permanent revocation of license

Must wait at least two years from the date of revocation to request a hearing for

reconsideration

 

 

Operating Under the Influence of Alcohol or Drugs

Connecticut General Statute §14-227a, §14-227g, or §14-111n

 

Conviction after January 1, 2012

First 
Conviction
45 day license suspension

If no other suspensions, eligible for restoration after the 45 day suspension regardless of whether the suspension for failing or refusing a chemical test for the same arrest has been fully served

Must install Ignition Interlock Device (IID)

IID required for one year following restoration

Second

Conviction

45 days license suspension, or until 21st birthday, whichever is longer.

If no other suspensions, eligible for restoration after the 45 day suspension regardless of whether the suspension for failing or refusing a chemical test for the same arrest has been fully served

Must install Ignition Interlock Device (IID)

IID required for three years following restoration

During the first year of this three-year period you may drive only to or from work, school, an alcohol or drug abuse treatment program, an IID service center, or an appointment with a probation officer.

Third or Subsequent Conviction
Permanent revocation of license

Must wait at least two years from the date of revocation to request a hearing for reconsideration

  

Operating Under the Influence of Alcohol or Drugs

Connecticut General Statute §14-227a, §14-227g, or §14-111n

 

Conviction prior to January 1, 2012

Under Age 21


First Conviction
1 year license suspension
Second Conviction
 3 year license suspension, or until 21st birthday, whichever is longer
Third or

Subsequent Conviction

Permanent revocation of license

Must wait at least two years from the date of revocation to request a hearing for reconsideration

 

 

Age 21 or older

First Conviction
1 year license suspension
Second Conviction
1 year license suspension
Third or Subsequent Conviction
Permanent revocation of license

Must wait at least two years from the date of revocation to request a hearing for reconsideration

 Manslaughter with a Motor Vehicle,

Connecticut General Statute §53a-56b or §14-111n

Assault with a Motor Vehicle, Connecticut General Statute §53a-60d or §14-111n

 

First
Conviction
1 year license suspension

Must install Ignition Interlock Device (IID)

IID required for two years following restoration

Second
Conviction
1 year license suspension

Must install Ignition Interlock Device (IID)

IID required for two years following restoration

Third or Subsequent
Conviction
Permanent revocation of license

Must wait at least two years from the date of revocation to request a hearing for reconsideration

 

To determine if a conviction is a first, second, or third/subsequent offense, any and all convictions reported under Connecticut General Statutes §14-111n, §14-227a, §14-227g, §14-227m,§14-227n,  §53a-56b or §53a-60d are considered.

 

For information concerning restoration or IID requirements, you may write or call:

Department of Motor Vehicles

Driver Services Division

60 State Street

Wethersfield, CT  06161-1013

dmv.suspension@ct.gov

Phone:  860-263-5720