California Driving & Vehicles Laws (2026)

A comprehensive legal reference for driving & vehicles in the state of California. This guide covers current statutes, penalties, and restrictions for 8 different categories.

California Vehicle Code does not require drivers to wear shoes. Driving barefoot is legal and there is no statute prohibiting it. However, drivers are responsible for maintaining control of their vehicle at all times.

State Law

None

Practical Considerations

None

Penalties

N/A

Lane splitting is explicitly legal in California under California Vehicle Code §21658.5. Motorcyclists are permitted to ride between lanes of slow-moving or stopped traffic when done safely and prudently. The California Highway Patrol provides guidelines for safe lane splitting.

Lane Splitting Rules

N/A

Lane Filtering Rules

N/A

Penalties

N/A if done safely; unsafe lane splitting may result in citations for reckless driving or unsafe operation.

License Requirements

None

License plate covers of any kind, including clear covers, are illegal in California. A 2026 law increased penalties for selling or using devices that obscure license plates, with fines up to $1,000.

Usage Rules

Illegal — all covers prohibited

Purchase & Sale

Illegal to sell or use

Penalties

Infraction with fines up to $1,000; may result in citation and vehicle inspection failure

Age Restriction

N/A

Radar detectors are legal in California for use in private passenger vehicles. California Vehicle Code § 26708 prohibits the use of devices that interfere with police radar, but radar detectors themselves are not banned.

Passenger Vehicle Use

Legal to possess and use.

Commercial Vehicle Rules

Legal to sell and purchase.

Penalties

N/A

Age Restriction

None

Both radar jammers (federally illegal) and laser jammers are illegal in California. There have been no recent legislative changes in California regarding this law.

State Law

Illegal — both radar and laser jammers

Federal Law

Illegal to sell or possess

Penalties

Federal fines for radar jammers; state penalties for laser jammers including fines and equipment confiscation.

Age Restriction

N/A

Right turn on red is legal in California after coming to a complete stop and yielding to pedestrians and cross traffic, unless a sign prohibits it at a specific intersection. There have been local discussions about restricting right turns on red in some cities for pedestrian safety, but no statew...

General Rule

Legal after complete stop

Exceptions & Restrictions

N/A

Penalties

Traffic violation if sign prohibits it at specific intersection.

Driver Requirements

N/A

Studded Snow Tires are legal in California. The law allowing for retractable studs year-round is a relatively recent addition, reflecting new tire technology.

Usage Rules

Legal during winter season only

Seasonal Restrictions

Legal

Penalties

Fines for use outside the permitted season.

Age Restriction

N/A

Window Tinting is legal in California. Windshield tinting is only allowed above the AS-1 line. These rules are codified in California Vehicle Code § 26708.

Tint Limits (VLT %)

Allowed if tint meets VLT requirements (70% or more on front and rear side windows).

Medical Exemptions

Legal to sell tint films; installers must comply with state standards.

Penalties

Fines up to $250 and possible vehicle inspection failure.

Age Restriction

None