California left turn laws come down to three duties: get into the leftmost lane going your direction, signal continuously for the last 100 feet, and yield to oncoming traffic and to pedestrians in the crosswalk until the turn can be completed safely. Break any of them and the base fine is $35, but state surcharges push the real cost to roughly $240, and the violation adds one point to your driving record.
Making a Legal Left Turn
Three Vehicle Code sections define the turn. One governs where your car sits, one requires a signal, and one tells you when to go.
Lane Position
Before you turn, get as close as practical to the left edge of the farthest left lane available for traffic moving in your direction. You cannot start the turn before you actually enter the intersection, and you must finish it in a lane lawfully open to traffic on the street you’re entering.1California Legislative Information. California Code VEH 22100
Signaling
You may not change direction on a roadway unless you can do so safely and have given an appropriate signal.2California Legislative Information. California Code VEH 22107 That signal has to run continuously for the last 100 feet before you turn.3California Legislative Information. California Code VEH 22108 At city speeds that’s roughly two to three seconds of blinker. Officers write tickets for the missing signal alone, even when the turn itself was fine.
Yielding
A left-turning driver must yield to every oncoming vehicle close enough to be a hazard and must keep yielding until the turn can be made with reasonable safety.4California Legislative Information. California Code VEH 21801 The duty doesn’t expire because you’ve been waiting through a cycle or because the light turned yellow.
Pedestrians get their own protection. Any driver must yield to a pedestrian crossing within a marked or unmarked crosswalk, and must slow down or take whatever action is needed to keep that pedestrian safe.5California Legislative Information. California Code VEH 21950 On a left turn, that means checking the crosswalk on the street you’re turning onto, not just the one you’re leaving.
Left Turns at Traffic Signals
A solid green circle lets you turn, but oncoming traffic and pedestrians in the intersection have the right of way. This is an unprotected turn, and most left-turn collisions happen here. A green arrow gives you a protected turn because oncoming traffic sees red. Even then, watch for pedestrians who entered the crosswalk on an earlier phase.
The One Legal Left on Red
California allows exactly one type of left turn on a red light. If you’re turning from a one-way street onto another one-way street, you may turn left on a steady circular red after coming to a full stop. Yield to pedestrians and to any vehicle that poses an immediate hazard. A posted sign can prohibit the turn.6California Legislative Information. California Code VEH 21453 If either street is two-way, the turn is illegal.
Posted Turn Restrictions
Cities and counties can post signs prohibiting left turns at specific intersections or requiring turns where the layout calls for them. Disobeying an official sign or traffic control device is its own violation.7California Legislative Information. California Code VEH 22101 These signs are common near schools, freeway on-ramps, and intersections with a history of crashes.
What the Ticket Actually Costs
The base fine for an improper left turn under VEH 22100, or for violating a turn-restriction sign under VEH 22101, is $35.8California Courts. Uniform Bail and Penalty Schedules That number is misleading. California stacks penalty assessments and fees on top:
- Penalty assessments of roughly $29 for every $10 of base fine, which comes to about $116 on a $35 fine.
- A state surcharge of 20% of the base fine, adding $7.
- A $40 court security fee per infraction conviction.
- A $35 criminal conviction assessment for an infraction.
- A $10 administrative assessment for DMV record maintenance.
By the time the court is paid, a $35 ticket lands around $240. If the violation happened in a highway construction zone, the base fine doubles to $70 and everything scales from there.8California Courts. Uniform Bail and Penalty Schedules
The Point on Your Record
An improper left turn adds one point to your DMV driving record, and that point can matter more than the money. Four points in 12 months, six in 24, or eight in 36 lets the DMV presume you’re a negligent operator and suspend your license.9California Legislative Information. California Code VEH 12810.5 Well before that, insurers see the point and typically raise premiums by 10% to 30%, which over a few years often costs more than the fine.
Traffic school can keep the point off your public record. If you hold a standard noncommercial license, the ticket involved a noncommercial vehicle, and you haven’t attended traffic school in the last 18 months, the court will generally let you complete a state-licensed course. Finishing it means insurance companies don’t see the point.10California Courts. Traffic School You still pay the fine plus a course fee, but the insurance savings usually justify it.
Fault in a Left-Turn Collision
Because the Vehicle Code puts the duty to yield on the turning driver, that driver is almost always presumed at fault in a collision during the turn.4California Legislative Information. California Code VEH 21801 Insurers and courts start from the assumption that the driver failed to wait for a safe gap. The presumption isn’t absolute, but overcoming it takes strong evidence that the other driver did something unusual: ran a red, sped dramatically, or was in a lane they shouldn’t have been in. Dashcam footage is the most persuasive evidence in these disputes.
Fighting the Ticket
Most drivers pay, but some situations are worth contesting. A necessity defense applies when you turned to avoid an immediate danger, like swerving to dodge a car that ran a red light or an object in the road. The hazard has to be sudden and the turn the only reasonable option; convenience doesn’t qualify.
Challenging what the officer saw can also work. If the officer’s vantage point didn’t give them a clear view of your lane position or the signal phase, that goes to the weight of their testimony. Dashcam or intersection camera footage that contradicts the officer is the strongest evidence. You can request city or county camera footage, but it may be overwritten within days, so move quickly.
Faded or obstructed signage is another workable defense. If a “No Left Turn” sign was hidden by vegetation or knocked down, you can argue you had no reasonable way to know the restriction existed. Photos from the day of the ticket, or soon after, help establish the condition of the sign.