By law, autonomous vehicles aren’t allowed to carry unaccompanied minors in California. Waymo , Alphabet’s self-driving-car company, doesn’t allow kids under 18 to ride alone anywhere outside of metro Phoenix, Arizona. But that hasn’t stopped some time-strapped parents from using their own accounts to transport their kids to school, extracurricular activities, and even social outings. Some have reported that the lack of drivers makes them feel safer. Waymo is working to crack down on the practice, the company confirmed Friday, after reports of new mid-ride age-verification checks began to float around on social media. The company has “policies in place” to help it identify violations of its terms of service, Waymo spokesperson Chris Bonelli wrote in a statement to WIRED. “We are continuing to refine our system and processes for accuracy over time.” Violating its terms of service can lead to temporary or permanent suspension of an account, Waymo says .…