well, that happens everyday kids go with frum car service
With a frum car service or uber, customers assume the employer has the identity of the driver, has vetted the driver with references and a background check, has real-time location of the vehicle, and likely an interior facing dash cam.
Hopefully even people who are willing to trust a car service to drive their child/ren, have the sense/intuition to differentiate that from a ride with a private individual with zero familiarity or oversight.