In this March 31, 2021 photo, traffic flows along Interstate 90 as a Metra commuter train travels along an elevated track in Chicago.  Congress created a new requirement for automakers to find a high-tech way to prevent drunk people from driving cars.  It's one of the mandates along with a flurry of new spending to improve auto safety amid escalating road deaths in President Joe Biden's $ 1,000 billion infrastructure package. should sign soon.