California Car Accidents 101: What Every Driver Needs to Know Car accidents happen every day on California roads—from fender benders on the 405 to serious multi-vehicle collisions on the 101. Whether you were just in a crash or want to be prepared for one, understanding your rights and the steps to take can make the difference between a fair recovery and a frustrating fight with insurance companies. This guide walks through everything you need to know about California car accidents: