California saw a more than 50% spike in DUI-related deaths over the most recent 10 years for which federal estimates were available, an increase more than twice as steep as the rest of the country. As our investigation has shown, California currently has some of the weakest DUI laws in the country.
https://laist.com/news/politics/california-leaders-unveil-biggest-crackdown-on-drunk-drivers-in-decades