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DUI Laws In Washington State

Washington State's DUI laws are similar in many respects to those of other states, but there are a few key differences that set them apart.

First, Washington state has a law that allows police officers to charge drivers with a DUI (Driving Under the Influence) if they determine that the driver's ability to operate a vehicle is affected by alcohol consumption, even if the driver's blood alcohol content (BAC) is below the legal limit of 0.08%.

Driving in WA?

Four key differences that you need to know about DUI laws in Washington state


Second, Washington State has a mandatory ignition interlock device (IID) requirement for all DUI convictions, including first-time offenses. An IID is a device that is installed in a vehicle that requires the driver to blow into it to start the car. If the device detects alcohol on the driver's breath, the car will not start. The driver must also periodically blow into the device while driving to ensure they remain sober.


Third, Washington State has a strict implied consent law, which means that if you are pulled over on suspicion of DUI and refuse to take a breathalyzer test, your driver's license will be automatically suspended for at least a year, regardless of whether or not you are ultimately convicted of DUI.


Fourth, Washington State has a zero-tolerance policy for drivers under the age of 21 who are caught driving with any amount of alcohol in their system. This means that if you are under 21 and are caught with even a trace amount of alcohol in your system, you can be charged with a DUI.


Overall, Washington State's DUI laws are designed to be tough on drunk drivers and to deter people from getting behind the wheel after drinking. If you are facing DUI charges in Washington, it is important to consult with an experienced DUI attorney who can help you understand your rights and options under the law.