Driving in California
New to Driving in California? 6 Situations That Catch Visitors Off Guard
Renting a car in California? Here’s what to know about four-way stops, right turns on red, left turns, freeway exits, school buses, pedestrians and FSD (Supervised).

Driving in California
Different rules. Don't trust instinct.
You’ve just picked up your rental car. The GPS says to turn right, but the light is red. Can you turn, or do you have to wait?
That’s what makes driving somewhere new stressful. It’s not necessarily the driving itself. It’s the little rules you’re expected to know without anyone explaining them.
Around Southern California, you’ll run into four-way stops, confusing freeway exits and yellow school buses pretty quickly. Here are six situations worth knowing before you get on the road. These tips focus on California; rules can vary in other states.
1. Four-way stops: Who goes first?
You’ll see these all over residential neighborhoods, especially in places like Irvine. Every approach has a STOP sign, and there’s no traffic light to tell you when to move.
First, come to a complete stop before the limit line or crosswalk. A slow roll doesn’t count.
As a general rule, the first driver to stop goes first. If two cars stop at about the same time, the driver on the right usually goes first. And always look for pedestrians and cyclists before moving.
Not sure whose turn it is? Don’t turn it into a race. Take a second, watch what the other driver is doing and proceed when it’s clearly safe.
2. Right on red: Usually allowed, never automatic
In California, you can generally turn right at a red light after a complete stop, unless a sign says NO TURN ON RED. A red arrow means you must wait.
Before turning, check for traffic coming from the left, people in the crosswalk and cyclists approaching on your right.
Think of it this way: stop, look, yield, then turn.
And if the driver behind you honks? You still don’t have to turn. If you can’t see clearly or don’t have a safe opening, wait for green.
3. Unprotected left turns: Your green light is green for oncoming traffic, too
A circular green light is different from a green left-turn arrow. When you’re turning left on a regular green, oncoming cars may also have a green light. You need to yield to them and to pedestrians crossing the street you’re entering.
Watch the flow of traffic and make sure there’s enough room to complete the turn. If you’re waiting in the intersection where permitted, keep your wheels pointed straight ahead until you’re ready to turn. That helps reduce the risk of being pushed into oncoming traffic if another car hits you from behind.
If you’ve already entered the intersection legally and the light changes, finish your turn only when oncoming traffic has stopped and the path is safe. Never rush through a gap just because the signal is changing.
4. Freeway exits: Missing one is not an emergency
Southern California freeways can go from five lanes to an unexpected split in no time. Watch for EXIT ONLY signs: that lane is taking you off the freeway, whether you meant to exit or not.
Start checking your route and overhead signs roughly one or two miles before the exit. Move over when it’s safe, one lane at a time. Signal, check your mirrors and blind spot, and leave yourself room.
If you miss your exit, keep going and let the navigation reroute you. An extra few minutes is much better than braking suddenly or cutting across several lanes at the last second.

5. School buses: The red flashing lights matter
When a yellow school bus stops and flashes its red lights, pay attention—even if you can’t see the STOP arm clearly.
In California, traffic generally has to stop in both directions and remain stopped while those red lights are flashing. There are exceptions for traffic on the opposite side of a divided roadway or a qualifying multilane highway with at least two lanes in each direction. If you’re unsure whether an exception applies, don’t assume you can drive past.
Also watch for emergency vehicles. When an ambulance, fire truck or police vehicle approaches with lights and siren, safely move to the right and stop so it can pass. When passing an emergency vehicle stopped with warning lights, move over a lane if it’s safe; otherwise, slow down and pass carefully.

6. Pedestrians and cyclists: Look beyond the cars
Turning right? Check the crosswalk and the bike lane, not just the traffic coming toward you. Some intersections have legal pedestrian crossings even when the paint isn’t obvious.
There’s one more habit worth building when you park: look back before opening your door, especially beside a bike lane. Try opening the door with the hand farther from it. That small movement naturally turns your body so you can see a cyclist coming up from behind.
A few more signs worth knowing
- Speed limits are posted in mph, not km/h. Follow the limit posted for the road and conditions.
- HOV / CARPOOL lanes have occupancy and sometimes time restrictions. Some require two people; others require three. Check the signs before entering.
- NO TURN ON RED means wait for green. EXIT ONLY means the lane leaves the freeway.
- Look for TOLL and EXPRESS LANES signs. Some roads charge electronically, and your rental agreement explains how tolls are handled.
- Put your phone away while driving. Set up navigation before you leave, or pull over somewhere safe before changing it.
What about FSD (Supervised)?
Movia rentals include Full Self-Driving (Supervised). Depending on the road and conditions, it can attempt to follow your route, steer, change lanes, handle certain turns and respond to traffic signals and stop signs. On a longer drive, that assistance can make the experience feel less demanding.
It does not mean the car can make every judgment for you. The system can miss something or behave unexpectedly, especially around complicated intersections, pedestrians, school buses and emergency vehicles. Keep watching the road and be ready to take over immediately. You remain the driver.
At pickup, we’ll walk you through the car and show you how to engage and disengage FSD (Supervised). Start somewhere quiet, get comfortable with the controls, and give yourself a little extra time for unfamiliar roads.
You don’t have to know every California road rule by heart on day one. A little preparation—and the willingness to miss an exit rather than force a move—goes a long way.



