Motorcycle Accident Laws in Indiana (2026): Deadlines & Helmets

A motorcycle crash in Indiana is handled as a personal injury case, but riders face questions a car driver never does: the state helmet rule, whether failing to wear a helmet can be used against you, whether lane splitting is legal, and how Indiana's fault rule cuts a recovery. The two facts that decide most cases are the deadline to sue and the comparative fault rule, so start there. This guide is general legal information and attorney advertising, not legal advice, and reading it does not create an attorney-client relationship.

The deadline to sue in Indiana

Indiana Code 34-11-2-4 sets a two-year statute of limitations for personal injury claims, running from the date of injury. For a fatal crash, Indiana's wrongful death statute, Indiana Code 34-23-1-1, requires the action to be brought by the personal representative of the estate within two years, generally measured from the date of death. Shorter notice deadlines apply to claims against government entities under the Indiana Tort Claims Act, where notice must be filed within 180 days for a political subdivision and 270 days for the state. A blown deadline almost always ends a case no matter how strong it is, so confirm the exact date early with a licensed Indiana attorney.

How fault affects recovery

Indiana follows modified comparative fault under the Indiana Comparative Fault Act, Indiana Code 34-51-2-6. The statute bars a claimant from recovery if the claimant's contributory fault is greater than the fault of all persons whose fault proximately contributed to the damages, and otherwise reduces the recovery in proportion to the claimant's share. In plain terms this is a 51 percent bar: you recover nothing if you are more than half at fault, but at exactly 50 percent you can still recover a reduced award. Below the line, your award drops by your percentage, so a 100,000 dollar award with 30 percent fault on you becomes 70,000 dollars.

This rule matters more for riders than for most drivers because some adjusters and jurors carry a bias against motorcyclists, assuming the rider was speeding or weaving. Shifting blame onto the rider lowers the payout, and pushing the rider past 50 percent erases it, which is why documenting that the rider was riding lawfully is so important.

No-fault and motorcycles

Indiana is an at-fault, or tort, state. It does not run a no-fault system and does not require personal injury protection (PIP), so there is no PIP threshold to clear before suing. An injured rider pursues the at-fault driver and that driver's liability insurer, and may also draw on medical payments or uninsured and underinsured motorist coverage if carried. Because Indiana has no no-fault scheme, the motorcycle-versus-car PIP complications seen in states like Florida or Michigan do not arise here.

Helmet law and the helmet defense

Indiana's helmet requirement is partial. Under Indiana Code 9-19-7-1, an individual less than 18 years old who operates or rides on a motorcycle on a street or highway must wear protective headgear and protective glasses, goggles, or a transparent face shield, and Indiana law also requires a person operating on a learner's permit to wear a helmet regardless of age. There is no helmet requirement for adult riders who hold a full endorsement, so an adult may legally ride bareheaded.

Because adult riders are not required to wear a helmet, a defendant generally cannot reduce a rider's damages just because the rider chose not to wear one, since the rider broke no law. The practical defense focus is usually on who caused the crash. Even so, riders should expect an insurer to raise helmet non-use informally, especially with head injuries, which is one more reason solid evidence on causation and injuries matters.

Lane splitting in Indiana

Lane splitting, riding a motorcycle between lanes of slow or stopped traffic, is not permitted in Indiana. Under Indiana Code 9-21-10-6, a motorcycle is entitled to full use of a traffic lane, and no vehicle may be operated so as to deprive a motorcycle of that full lane, but the law does not authorize a rider to ride between lanes. Two motorcycles may operate side by side in a single lane, yet a rider may not filter between cars. Where a rider was splitting lanes at the time of a crash, expect the other side to argue the rider contributed to it, which can reduce recovery or, at more than 50 percent fault, bar it entirely under Indiana Code 34-51-2-6.

Damage caps and insurance

Indiana does not cap compensatory damages in an ordinary motorcycle injury case, so a rider's economic and noneconomic damages are not limited by a general statutory cap. Indiana does cap recovery in specific contexts, including claims against governmental entities and medical malpractice claims, which are governed by separate statutes. Indiana's minimum auto liability limits, set by the financial responsibility law and described by the Indiana Bureau of Motor Vehicles, are 25,000 dollars for injury to one person, 50,000 dollars per accident, and 25,000 dollars for property damage, written 25/50/25. Serious motorcycle injuries routinely exceed those minimums, so a badly hurt rider often has to look to the at-fault driver's full policy, the rider's own underinsured motorist coverage, or both.

Why motorcycle cases are different

A motorcycle offers little protection, so crashes tend to cause severe injuries, large medical bills, and long recoveries, which means higher-stakes claims and a more aggressive insurance defense. Layered on top are rider-specific issues: helmet status, lane-splitting allegations, and a documented bias against motorcyclists. The classic crash is a car turning left across an oncoming rider's path, with the driver claiming they never saw the bike. Because so much turns on who had the right of way and on the rider's percentage of fault, physical evidence and a clear record carry real weight.

Evidence and how to evaluate your options

If you or a family member was hurt in an Indiana motorcycle crash, get medical care and keep every record, obtain the police report, and photograph the scene, the bike, your gear, and your injuries. Save the other driver's information and any witness contacts, and preserve any helmet-camera or dash-camera footage. Then speak promptly with a licensed Indiana attorney, both because of the two-year deadline and because early evidence fades fast. Most motorcycle injury attorneys offer a free consultation and work on a contingency basis, meaning no upfront fee and payment only out of any recovery. No one can promise an outcome or a dollar figure, and this guide is general information, not legal advice.