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This page contains information about ignition interlock breath alcohol devices certified by the Washington State Patrol. At the request of the state's municipal and district court judges, we have provided a list of manufacturers and devices as a public service.

Washington State's DUI laws and penalties have changed for driving under the influence of alcohol and other drugs.

The new laws permit municipal and district court judges to impose additional sanctions on individuals who have been arrested for DUI of alcohol. This may include ordering some offenders to install an ignition interlock breath alcohol device on their cars.

The device, attached to the car's ignition system, requires the driver to blow into the device before starting the car. If alcohol is detected, the car won't start.

Interlock Devices & Manufacturers

Each ignition interlock device model listed below is certified to be used in the state of Washington. Information about certification standards is available by writing to the Impaired Driving Unit, Washington State Patrol, 811 E. Roanoke, Seattle WA 98102.

To locate an ignition interlock installer in your area, call one of the ignition interlock manufacturers listed below.

• Guardian Interlock Systems – Camera Unit Available
  125 Church Street- Suite 320
  Marietta, GA 30060
  1-800-499-0994
  
  
• Draeger Safety Diagnostics Inc. – Camera Unit Available
  4040 West Royal Lane – Suite 136
  Irving TX 75063
  1-800-977-0091
  
  
• Smart Start Inc. – Camera Unit Available
  4850 Plaza Drive
  Irving, TX 75063
  1-800-880-3394
  
  
• #1A LifeSafer of Washington Inc. – Camera Unit Available
  4290 Glendale Milford Rd.
  Cincinnati, OH 45242
  1-800-634-3077
  
  
• Consumer Safety Technology Inc. – Camera Unit Available
  10520 Hickman Road – Suite F
  Des Moines, IA 50325
  1-877-777-5020

Note: The Washington State Patrol does not endorse any manufacturers, dealers, or products. Their appearance on this page confirms only that the products have been certified by the Washington State Patrol and meet federal rules for breath alcohol ignition interlock devices.

Laws & Informational Sites

Revised Code of Washington

• RCW 46.04.215 - Ignition interlock device; Other biological or technical device; Definitions.
• RCW 46.20.710 - Ignition interlocks, biological, technical devices; Legislative findings.
• RCW 46.20.740 - Ignition interlocks, biological, technical devices; Notation on driver's license; Penalty.
• RCW 46.20.750 - Ignition interlocks, biological, technical devices; Assisting another in starting or operating; Penalty.
• RCW 46.37.005 - State patrol; Additional powers and duties.

Washington Administrative Code

• Chapter 204-50 WAC - Ignition Interlock Breath Alcohol Devices.

Resource Information

• DOL Driver License Penalties - Administrative Actions
• Directory of County Courts - Contact information for the Washington State Courts and related official organizations.
• DUI Information and License Suspensions - DOL
• National Highway Transportation Safety Administration (NHTSA) Impaired Driving (Drugs & Alcohol) Safety Program.
• WA Traffic Safety Commission Impaired Driving Program - A coordinated effort with the WIDAC, the council of state agencies and organizations working to reduce impaired driving.

Please note that some of the documents provided on this page are available in Adobe® PDF format only and will require the Adobe® Reader in order to view or print them from your Web browser.

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