Posted on behalf of Arnold Law Firm on January 29, 2026 in Trucking Accident
California law establishes different standards of care for trucking operations depending on the type of service provided. While most commercial trucking companies transporting freight are subject to ordinary negligence standards, federal motor carrier safety regulations impose enhanced duties that can significantly affect liability in truck accident cases.
Key Takeaways:
California Civil Code section 2100 requires carriers of persons for reward to use “the utmost care and diligence” for safe carriage (West’s Ann.Cal.Civ.Code § 2100). This heightened standard applies to common carriers—entities that offer transportation services to the public (West’s Ann.Cal.Civ.Code § 2168).
California courts have clarified critical limitations on when this enhanced standard applies:
Applied to: Bus operators, airlines, passenger transportation services
NOT applied to: Freight trucking companies, cargo carriers
When commercial trucks share public roads with other vehicles, truckers are “subject to the same standard of care as all motorists,” and this standard is “not judged according to custom in the trucking business.”
However, California courts recognize a crucial practical principle:
“The driver of a large truck should exercise a greater, not a lesser, amount of caution than the ordinary driver and should take fewer, not more, risks than an ordinary driver.”
What This Means:
Federal Motor Carrier Safety Regulations can impose duties beyond ordinary negligence standards, creating enhanced liability for commercial truck operators.
In a pivotal decision, the California Court of Appeal held that instructing a jury on California’s basic speed law instead of federal “extreme caution” requirements was prejudicial error. Weaver v. Chavez, 133 Cal. App. 4th 1350 (2005).
The Court’s Reasoning:
California regulations adopt federal motor carrier safety regulations for:
Critical Legal Principle: FMCSR violations “may support a finding of breach of a carrier’s duty owed to its truck drivers, regardless of whether a truck driver has been retained under contract as an independent contractor or employee.”
What This Means for Your Case:
California law imposes special responsibilities on licensed motor carriers because they are “engaged in a business that involves a very considerable risk of injury.”
Licensed carriers have nondelegable duties extending to “all persons who they rely upon to transport cargo, including the employees of independent contractors they hire to transport that cargo.”
Who DOES NOT have nondelegable duties:
Why This Matters:
California courts are recognizing enhanced duties for truck manufacturers regarding safety technology. Recent decisions suggest manufacturers may face liability for failing to install reasonably available safety devices.
Courts use Rowland factors to determine whether special duties of care exist, particularly when imposing such duties would incentivize safety improvements.
Emerging Areas of Liability:
California courts may hold truck manufacturers and operators to higher standards when:
Heightened standards of care particularly apply in certain accident scenarios where truck operation complexities create enhanced duties:
Critical Factors:
Many truck accident cases involve multiple contributing factors requiring careful analysis:
Legal Principle: Courts emphasize reasonable control and supervision measures rather than absolute guarantees, balancing commercial realities with public safety obligations.
Understanding these standards of care is crucial for establishing liability in California truck accident cases. Key considerations include:
California law creates multiple layers of potential liability:
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Q: Do truck drivers have a higher standard of care than regular drivers? A: Legally, they’re subject to the same standard, but courts expect them to exercise greater caution given the increased danger of large commercial vehicles.
Q: Can a trucking company be liable even if they hired an independent contractor driver? A: Yes. Licensed motor carriers have nondelegable duties for workplace safety that extend to independent contractor employees.
Q: Do federal trucking regulations matter in California state court cases? A: Absolutely. California incorporates federal motor carrier safety regulations, and violations can establish breach of duty in negligence cases.
Q: What is “extreme caution” under federal regulations? A: Federal regulations require commercial motor vehicle operators to use “extreme caution” in hazardous conditions—a higher standard than California’s basic speed law.
Understanding the applicable standard of care is critical to recovering compensation after a truck accident. If you’ve been injured in a collision with a commercial vehicle, our experienced attorneys can:
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