What if the other driver was speeding?
Reviewed by Andrew (Andy) R. Gillin
California State Bar #45226 ↗ · Approval recorded November 4, 2026
How we record review approvalUnsafe speed can help show a lack of care. A driver may be going too fast for conditions even below the posted limit.
In this guide
Here’s an example
A driver travels at the posted speed through thick fog but cannot stop for traffic ahead.
A made-up example to explain the idea. Your facts may lead to a different answer.How the rule works
The basic speed law considers conditions, not just the posted sign. Rain, fog, traffic, and the road can make a lower speed unsafe. You still need to show how speed caused harm.
Legal references: [1] Vehicle Code § 22350 — Basic speed law · [2] CACI No. 400–401 — Negligence and the standard of care (2026 edition)
What can change the answer?
You still need to connect the speed to the crash and harm. A speed estimate may need support.
Court decisions behind this answer
A case can help explain a rule. Its facts and limits matter too.
Cabral v. Ralphs Grocery Co.
Supreme Court of California · 2011
51 Cal.4th 764, slip op., pp. 1–3
The court rejected a broad no-duty rule for a truck stopped beside a freeway. Drivers still had to use ordinary care.
It did not hold that every roadside stop is careless. The facts matter when deciding breach and cause.
Alarid v. Vanier
Supreme Court of California · 1958
50 Cal.2d 617, pp. 621–624
A broken safety law could lead to a starting assumption of fault. The court said proof of a valid excuse could overcome it.
The case predates shared-fault rules. Read today’s statutes and instructions with the case.
Case applicability reviewed as recorded above.
A useful next step
Preserve video, witness details, road conditions, and available vehicle data.
If you are unsure which rule applies, a lawyer can review your facts and any deadlines. Learn about GJEL’s injury representation.
The law behind this guide
The references below support the legal discussion. Their application depends on the facts.
- Vehicle Code § 22350 — Basic speed law ↗Statute · Review recorded above
- CACI No. 400–401 — Negligence and the standard of care (2026 edition) ↗Jury instructions · Review recorded above
- Cabral v. Ralphs Grocery Co. (2011) 51 Cal.4th 764 ↗Case law · Review recorded above
- Alarid v. Vanier (1958) 50 Cal.2d 617 ↗Case law · Review recorded above
Updated 2026-11-04. Read our editorial standards.