Technological innovations have brought us smarter and safer cars. Despite these advancements, one of the greatest threats on our roadways remains—drunk driving.Is there a role for technology to tackle this persistent public safety challenge?The Driver Alcohol Detection System for Safety (DADSS) Research Program is working to find that answer. What started as a strategic safety concept has— through meticulous research and development—become a set of working prototypes that hold the potential to significantly reduce the injuries and deaths caused by drunk driving. DADSS technology Once completed DADSS technology will detect when a driver is intoxicated with a blood alcohol concentration (BAC) at or above 0.08 and prevent the car from moving. Two different approaches passed the proof-of-concept review and are being tested, modified and reduced to a size that can fit in a car—one touch-based and one breath-based. The touch-based sensor measures and analyzes the blood alcohol concentration under the skin’s surface by shining an infrared light through the fingertip of the driver. By measuring the reflected light, the system can accurately determine the concentration of alcohol. The breath-based system measures the alcohol in a driver’s naturally exhaled breath. A small sensor compares the amount of carbon dioxide molecules with… Read full this story
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