Federal regulators are asking for all first time DUI offenders to get ‘interlock devices' in their cars. Arizona is one state that already has that law in place.
Any driver charged with a DUI in Arizona, even for the first time will have to get an ignition interlock device in their car.
The devices keep a car from starting, if it detects alcohol on the driver's breath.
The National Traffic Safety Board (NTSB) says the tougher law protects people more. This recommendation was prompted by a study NTSB conducted.
The study found 360 people a year are killed when drivers turn the wrong way into oncoming traffic on highways. 59 percent of wrong-way drivers had a blood alcohol level more than twice the legal limit.
NTSB is also looking into getting more high tech. A new research effort with automakers is working towards developing a way to determine a driver's blood alcohol level using infrared light when the ignition button is pressed.
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