No, studded tires are prohibited statewide under California Vehicle Code § 27456, with exceptions only for emergency vehicles. The California Air Resources Board (CARB) enforces this ban to curb air pollution from metal fragments. Local air districts, like the Bay Area Air Quality Management District, impose additional penalties for violations.
Key Regulations for Studded Tires in California
- Statewide Ban: California Vehicle Code § 27446 explicitly bans studded tires for all vehicles except authorized emergency response units, effective year-round.
- Local Enforcement: Air districts such as the South Coast AQMD and Sacramento Metropolitan AQMD impose fines up to $1,000 for violations, with 2026 compliance deadlines for fleet operators.
- Emergency Exemptions: Only vehicles responding to immediate public safety threats (e.g., fire departments, law enforcement) may use studded tires, subject to documentation requirements.
The California Department of Transportation (Caltrans) reinforces these restrictions through seasonal tire advisories, particularly in mountainous regions where studded tires were historically permitted. Non-compliance risks citations, with penalties escalating for repeat offenses. Vehicles registered in neighboring states must adhere to California’s standards when operating within state borders.