Rear-End Collision
California Vehicle Code Section 21703 prohibits following too closely and creates a presumption that the rear driver is at fault in a rear-end collision. This presumption shifts the burden t...
Rear-End Collision guide →Legal Information Notice
This page provides general legal information about freeway rear-end accident claims in California. It is not legal advice. Consult a licensed California attorney for guidance specific to your situation.
Freeway Rear-End Accident: Overview Under California Law
Freeway rear-end accidents are especially dangerous because of the high speeds involved and the elevated risk of secondary collisions from other vehicles. California's major freight and commute corridors — the I-5, I-405, I-10, US-101, and I-80 — generate a disproportionate share of the state's serious rear-end injury accidents. Freeway accidents typically involve more severe injuries, higher economic damages, and more complex liability than surface-street rear-ends.
California rear-end collision law is governed primarily by Vehicle Code Section 21703 (following too closely), the rebuttable presumption of fault against the rear driver, and California's pure comparative fault system from Li v. Yellow Cab Co. (1975). The victim's recovery encompasses all economic damages (medical expenses, lost wages, property damage) and non-economic damages (pain and suffering, emotional distress) without any cap under California personal injury law.
CVC 21703 and the Presumption of Fault
California Vehicle Code Section 21703 prohibits following another vehicle more closely than is reasonable and prudent. In a rear-end collision, a rebuttable presumption arises that the following driver violated this statute. The following driver must produce evidence to rebut the presumption — typically a sudden, unexpected stop by the lead driver or an emergency — failing which the presumption stands and establishes the following driver's negligence.
"The driver of a motor vehicle shall not follow another vehicle more closely than is reasonable and prudent, having due regard for the speed of such vehicle and the traffic upon, and the condition of, the roadway."
Comparative Fault in Freeway Rear-End Accident Cases
California's pure comparative fault system allows recovery even if the rear-end victim was partly at fault — for example, by stopping abruptly or driving with non-functional brake lights. The victim's recovery is reduced proportionally by their fault percentage but is not eliminated. In multi-vehicle rear-end cases, Proposition 51 (Civil Code Section 1431.2) allocates non-economic damages among defendants proportionally while maintaining joint and several liability for economic damages.
Damages Available After a Freeway Rear-End Accident
California freeway rear-end accident victims can recover: all past and future medical expenses; lost wages and earning capacity; vehicle property damage including diminished value; non-economic damages (pain, suffering, emotional distress, loss of enjoyment of life) — uncapped in California; and punitive damages under Civil Code Section 3294 when the rear driver's conduct constitutes malice (DUI, intentional brake-check, reckless speed).
Statute of Limitations
Two years from the date of the accident under CCP Section 335.1. Government entity claims: six months under Government Code Section 945.4. Minor victims: tolled until age 18 under CCP Section 352. Missing these deadlines permanently bars the claim.
Critical Evidence in Freeway Rear-End Accident Cases
- Police report — Establishes the official record of the accident, the parties, and any citations issued for following too closely or other violations
- Medical records from the accident date — Emergency department or urgent care records creating a contemporaneous medical record tied to the collision
- Photographs — Both vehicles, the accident scene, skid marks (or absence thereof), and all visible injuries
- Dashcam footage — From your vehicle or others at the scene; establishes the following driver's behavior before impact
- Witness information — Names and contact information for all witnesses at the scene, including bystanders
- Event data recorder (EDR) data — Speed, braking, and throttle data in the seconds before impact; request preservation immediately for commercial vehicles
- Cell phone records — Obtainable through discovery to establish distracted driving if the rear driver was texting
Frequently Asked Questions — Freeway Rear-End Accident
Is CVC 21703 different on a freeway than on a surface street?
California Vehicle Code Section 21703's prohibition on following too closely applies on freeways with the same force as surface streets. On a freeway at 65-70 mph, however, the required safe following distance is substantially greater than at lower speeds. The National Safety Council recommends at least a 4-second following gap at freeway speeds. A driver following at a shorter gap who rear-ends a vehicle on the freeway has clearly violated CVC 21703.
What if the car ahead stopped suddenly on the freeway?
California courts have recognized sudden, unexpected stops as a potential defense to the CVC 21703 presumption of fault. However, the sudden stop defense requires the stop to be truly unexpected and not the result of normal traffic conditions. Traffic slowing on a freeway — including stop-and-go congestion — is foreseeable. A driver following so closely they cannot stop in foreseeable traffic remains at fault even if the car ahead stopped more quickly than expected.
Can Caltrans be sued if a road defect contributed to a freeway rear-end?
Possibly. If a road defect — including inadequate sight distance, improper merge design, missing or inadequate warning signs, or failure to maintain lane markings — contributed to the freeway rear-end accident, a government entity claim against Caltrans may be available. The Government Claims Act requires a written administrative claim within six months under Government Code Section 945.4.
What makes freeway rear-end injuries typically worse?
Freeway rear-end accidents involve substantially higher impact forces than surface-street rear-ends. At 65 mph, a rear-end impact produces forces that can cause traumatic brain injury, cervical spine fracture, thoracic spine injury, and internal organ damage that would not occur at surface-street speeds. The delta-V (change in velocity) experienced by the occupant of the struck vehicle determines injury severity.
What if I was slowing for traffic and got rear-ended on the freeway?
Slowing for traffic congestion on a freeway is entirely foreseeable and does not constitute negligence. The driver who rear-ended you while you were appropriately decelerating for traffic bears clear liability under CVC Section 21703. You have no obligation to maintain freeway speed in stop-and-go traffic.
How long do I have to file after a freeway rear-end accident in California?
Two years from the date of the accident under CCP Section 335.1. Caltrans or other government entity claims: six months under Government Code Section 945.4. If a commercial truck was involved, ELD and EDR data preservation demands should be sent to the carrier immediately.
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