San Francisco's Vision Zero strategy was designed to create safer streets, educate the public and enforcing traffic laws to save lives, yet the number of traffic citations issued in the City has dropped 97% since 2014, and one supervisor wants the police department to do something about it. 

Rafael Mandelman says increased enforcement is needed to cut down on traffic fatalities. For more, KCBS Radio's Bret Burkhart and Patti Reising spoke with KCBS Insider Phil Matier.