Waymo said it will offer “specially-trained Rider Support agents” during rides hailed by teens and loop in parents if needed.

Waymo has introduced an option for teen accounts, allowing young passengers to take rides in its driverless robotaxis without adult supervision. The program is only available in metropolitan Phoenix for now, but the company said it plans to offer the service in other cities down the line.

Officials with the autonomous vehicle operator said the new initiative aims to keep teens safe while offering independence in car-dependent areas.