California rules generally require riders under 18 to wear a properly fitted and fastened bicycle helmet when riding bicycles, e-bikes, and electric scooters.

A driver may be responsible if careless driving contributed to the bike or scooter crash.

Save photos, driver information, witness names, police or school reports, medical records, helmet and equipment damage, and any available video.

Check your helmet, brakes, tires, handlebars, lights, reflectors, and battery charge.

Document the vehicle, road surface, signs, injuries, witnesses, app records, and treatment.

Ask what they would do if a car does not see them, their phone rings, there is no bike lane, they approach a driveway, or they are running late.

Teens should ride in the same direction as traffic, follow signs and signals, stay predictable, and choose routes with lower speeds when possible.

Drivers backing out may not see a bike, scooter, skateboard, or e-bike approaching, especially if the rider is moving quickly or hidden by parked cars.