California Driver's Handbook: Core Rules and Safe Driving Concepts
How to Use This Section
The California permit test is built directly from the Driver's Handbook, so the most reliable strategy is to learn the reason behind each rule rather than memorizing isolated numbers. Questions typically test three things: right-of-way, following distance, and the consequences of specific violations. If you understand the logic, you can reason through unfamiliar scenarios.
Right-of-Way and Intersections
At an uncontrolled intersection, the first vehicle to arrive goes first; if two arrive at the same time, the driver on the left yields to the driver on the right. At a four-way stop, proceed in order of arrival. When turning left, yield to oncoming traffic and to pedestrians. A green light does not grant an absolute right to enter an intersection - you must not block it if traffic is backed up. Traps appear here: a question may describe a green arrow and expect you to know it protects your turn from oncoming traffic, unlike a plain green circle.
Following Distance and Speed
Use the three-second rule in good conditions and increase it in rain, fog, darkness, or when following motorcycles and large trucks. The basic speed law is the key concept: never drive faster than is safe for current conditions, regardless of the posted limit. Questions often pair a legal limit with heavy fog to test whether you choose the limit or a slower safe speed.
Sharing the Road
Give bicyclists at least three feet of clearance when passing where feasible. Motorcyclists are entitled to a full lane. Large trucks have wide blind spots and need extra room to turn right - never squeeze alongside a truck that is turning.
Worked Example
You arrive at a four-way stop at the same moment as a car to your right. Rule of thumb: the vehicle on the right has the right-of-way, so you yield and let it go first, then proceed when clear.