Truck Accident Laws in Washington (2026): Deadlines & Liability

A collision with a tractor-trailer or other large commercial truck in Washington is governed by two sets of rules at once. Washington statutes and case law set the deadline to sue, how shared fault is treated, and the auto insurance framework, while federal regulations under the Federal Motor Carrier Safety Administration (FMCSA) govern how the truck and driver are supposed to operate. This guide covers both, with citations to the Revised Code of Washington, the Washington Supreme Court, and the federal rules.

This is general legal information, not legal advice, and it does not predict any outcome in a specific case. Deadlines are firm, so confirm the current law and speak with a licensed Washington attorney about your situation.

Deadline to file: Washington's statute of limitations

Washington sets a three-year clock for most personal injury claims. Under RCW 4.16.080, an action for personal injury must be commenced within three years. For a truck accident injury, that period generally runs from the date of the crash, though Washington recognizes a discovery rule in cases where the injury or its cause was not immediately apparent.

Washington's wrongful death statutes do not contain their own limitation period, so courts apply the general three-year period in RCW 4.16.080, generally measured from the date of death. Only the personal representative of the estate may bring the action. Because these deadlines are strict and missing one usually ends the claim, it is wise to act well before any deadline expires.

Washington's negligence rule: pure comparative negligence

Washington follows pure comparative negligence. Under RCW 4.22.005, any contributory fault chargeable to the claimant diminishes proportionately the amount awarded as compensatory damages, but does not bar recovery. In other words, your own share of fault reduces your award by that percentage and never eliminates it.

The practical effect is that even a plaintiff found largely at fault can still recover a reduced amount. If your damages are $100,000 and you are found 30% at fault, you recover $70,000. Even at 80% fault, a 20% recovery remains available. Trucking insurers still litigate fault aggressively to shrink the award, so the evidence of who caused the crash remains central, but a finding of partial fault does not end a Washington case the way it would in a contributory negligence state.

No-fault status and Washington auto insurance

Washington is an at-fault, or tort, state, not a no-fault state. Insurers must offer personal injury protection, but drivers may decline it in writing, and PIP does not create a no-fault threshold. There is no monetary or serious-injury hurdle you must clear before suing the party who caused the crash; you can pursue the at-fault driver and trucking company directly.

Washington requires minimum liability coverage of $25,000 per person and $50,000 per accident for bodily injury, plus $10,000 for property damage. These passenger-car minimums are far below the federal coverage required of interstate trucking companies, discussed below.

Damage caps in Washington

Washington does not cap personal injury damages. The Washington Supreme Court struck down the state's statutory limit on noneconomic damages in Sofie v. Fibreboard Corp., 112 Wn.2d 636 (1989), holding that capping damages interfered with the constitutional right to have a jury determine the amount. As a result, there is no general cap on economic or noneconomic damages in an ordinary Washington injury case, and the amount turns on the harm proven.

Federal trucking rules: the FMCSA framework

Large commercial trucks operating in interstate commerce must follow the Federal Motor Carrier Safety Regulations in Title 49 of the Code of Federal Regulations, enforced by the FMCSA. These rules frequently supply the evidence of fault in a truck case. Key areas include:

• Hours of service (49 CFR Part 395), which generally limit a property-carrying driver to 11 hours of driving within a 14-hour on-duty window after 10 hours off duty, to combat fatigue.
• Electronic logging devices (ELDs), which most interstate drivers must use to record driving hours automatically, making it harder to falsify a logbook.
• Driver qualification and commercial driver's license (CDL) standards, plus mandatory drug-and-alcohol testing for safety-sensitive drivers.
• Vehicle inspection, repair, and maintenance requirements (49 CFR Part 396), which require carriers to keep trucks in safe operating condition.

A violation of any of these rules, such as a driver exceeding hours-of-service limits or a carrier skipping required maintenance, is commonly used as evidence of the carrier's negligence.

Who can be liable in a Washington truck accident

Unlike a typical car crash with one other driver, a commercial truck case often involves several potentially responsible parties. These can include the truck driver, the motor carrier (both for the driver's conduct and for its own negligent hiring, training, or supervision), a broker or shipper, the company that loaded the cargo, and a manufacturer of a defective part. Because the carrier is usually a business with substantial federally required insurance, identifying every responsible party early is important.

Federal minimum insurance for trucks

Federal law requires far more coverage from interstate trucking companies than from ordinary drivers. Under 49 CFR 387.9, a for-hire carrier transporting non-hazardous general freight in interstate commerce must maintain at least $750,000 in public liability insurance. Carriers hauling oil must carry $1 million, and those transporting the most dangerous hazardous materials must carry $5 million. These minimums dwarf the $25,000 bodily injury minimum that applies to a Washington passenger car.

Preserving evidence after a truck crash

Some of the most important evidence in a truck case can disappear quickly. A truck's electronic logging device, the engine control module (often called the black box), dashcam footage, and maintenance and inspection records can be overwritten or routinely destroyed on a short schedule. Sending the carrier a written preservation, or spoliation, letter early can help keep that data from being lost. Because Washington reduces an award by the plaintiff's share of fault, objective evidence that points fault at the truck driver or carrier can directly increase the recovery.

It also helps to preserve your own evidence: the police crash report, photographs of the vehicles and scene, witness contact information, and your medical records. These materials, combined with the carrier's records, are often what establishes a federal-rule violation and links it to the crash.

How to evaluate a Washington truck accident claim

Because truck cases mix Washington tort law with federal trucking regulations, and frequently involve corporate defendants and insurers, many people consult a licensed Washington personal injury attorney. Most personal injury attorneys offer a free initial consultation and work on a contingency fee, meaning they are paid a percentage of any recovery rather than upfront. No attorney can guarantee a result or a dollar amount.

If you are considering a claim, keep your medical treatment documented, save anything related to the crash, and be mindful of the deadlines above. Acting promptly protects both the legal deadline and the physical evidence that a truck case depends on.