"By working with the police department in Chandler, AZ, for example, Waymo has been able to train its cars to yield, pull over, or stop when it hears or sees si

"By working with the police department in Chandler, AZ, for example, Waymo has been able to train its cars to yield, pull over, or stop when it hears or sees sirens." [1] [1] https://www.recode.net/2017/10/15/16472896/alphabet-waymo-self-driving-law-enforcement-crashes-accidents https://www.recode.net/2017/10/15/16472896/alphabet-waymo-se...