Bicycle accident law is a branch of personal injury law that addresses legal disputes arising when cyclists are injured or their property is damaged due to the negligence or wrongful conduct of another party. It draws on principles of negligence, premises liability, and traffic law to determine who bears responsibility for a crash and what compensation an injured rider may be entitled to receive.
Common situations in this area include collisions between bicycles and motor vehicles, crashes caused by defective road conditions such as potholes or missing signage, injuries stemming from poorly designed bike lanes, and accidents involving defective bicycle equipment. Disputes typically center on questions of fault — whether a driver failed to yield, whether a municipality maintained safe roads, or whether a manufacturer produced a dangerously flawed product.
Cyclists who are injured may seek compensation for medical expenses, lost income, pain and suffering, and property damage. In some cases, the cyclist's own conduct is examined under comparative or contributory negligence rules, which can reduce or bar recovery depending on the jurisdiction.
The specific rules governing bicycle accident claims — including helmet laws, right-of-way requirements, and damage caps — vary considerably from state to state and can change as legislatures update traffic and tort statutes over time.

