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Bicycle Accident Claims in Iowa

Bicycle rules in Iowa (passing distance, helmets, riding rules), how fault is shared after a bike crash, and the deadline to sue.

Short answer: A person riding a bicycle on the highway has all the rights and duties of a vehicle driver under Iowa's motor vehicle chapter, except provisions that by their nature cannot apply. Iowa Code §§ 321.234(2), 321.327(1); ch. 321 (reviewed for helmet)

Bicycle lawsA person riding a bicycle on the highway has all the rights and duties of a vehicle driver under Iowa's motor vehicle chapter, except provisions that by their nature cannot apply. Drivers must yield to bicycle riders crossing within a crosswalk where signals are not operating, the same as for pedestrians. Iowa's motor vehicle chapter contains no bicycle helmet requirement.
Reviewed Iowa Code chapter 321 (full text searched for 'helmet') on 2026-10-28; no helmet provision found. A specific minimum passing distance for bicycles was not found in the passing sections read (§ 321.299).
Fault rule (comparative negligence)Modified comparative fault (51% bar). An injured person's own fault does not bar recovery unless it is greater than the combined fault of the defendants, third-party defendants and released persons; damages are reduced by the injured person's percentage of fault.
Minimum car insuranceDrivers must have financial liability coverage in effect. The minimum amounts are $20,000 for injury or death of one person, $40,000 for injury or death of two or more people in one accident, and $15,000 for property damage (20/40/15).
Deadline to sue for an injuryA lawsuit founded on injuries to the person (or reputation), whether based on contract or tort, must be filed within two years after the claim accrues.

More Iowa personal injury & wrongful death

FAQ

What are the bicycle laws in Iowa?
A person riding a bicycle on the highway has all the rights and duties of a vehicle driver under Iowa's motor vehicle chapter, except provisions that by their nature cannot apply. Drivers must yield to bicycle riders crossing within a crosswalk where signals are not operating, the same as for pedestrians. Iowa's motor vehicle chapter contains no bicycle helmet requirement.
Can you recover damages if you were partly at fault in Iowa?
Modified comparative fault (51% bar). An injured person's own fault does not bar recovery unless it is greater than the combined fault of the defendants, third-party defendants and released persons; damages are reduced by the injured person's percentage of fault.
What is the minimum car insurance required in Iowa?
Drivers must have financial liability coverage in effect. The minimum amounts are $20,000 for injury or death of one person, $40,000 for injury or death of two or more people in one accident, and $15,000 for property damage (20/40/15).
What is the statute of limitations for personal injury in Iowa?
A lawsuit founded on injuries to the person (or reputation), whether based on contract or tort, must be filed within two years after the claim accrues.

General legal information, not legal advice. Laws change and local rules can differ; check the linked official source or talk to a lawyer about your situation.