How Can You Prove Fault in a Bike Accident Case?

By Daniel T. Pagliarini AAL
Motorbike on road after crash with car

Bike accidents can result in serious injuries, extensive property damage, and overwhelming costs. When a collision happens, establishing who was at fault becomes the most important step in recovering compensation. In Hawaii, proving fault in a bike accident requires more than simply stating your version of events.

To hold a negligent party financially responsible, victims must meet the legal requirements under Hawaii’s comparative negligence law. Cyclists face unique challenges when attempting to prove fault because of biased assumptions, vague eyewitness accounts, and at times, limited physical evidence. 

Daniel T. Pagliarini AAL, located in Honolulu, Hawaii, has dedicated his practice to helping accident victims pursue fair compensation. As a bike accident attorney serving clients on all of the Hawaii islands, Attorney Pagliarini provides clear, evidence-based legal guidance to support injured cyclists throughout their recovery and claims process.

Key Legal Principles in Bike Accident Claims

To prove fault, the injured cyclist must demonstrate that the opposing party owed a duty of care, breached that duty, and caused actual harm. A bike accident attorney can help gather the evidence needed to establish these elements, which form the foundation of any negligence claim.

Duty of Care on Hawaii’s Roads

All drivers and cyclists owe a legal duty to act with reasonable care to avoid causing harm to others. This includes obeying traffic laws, watching for pedestrians and cyclists, signaling turns, yielding appropriately, and refraining from distracted or impaired driving.

Cyclists in Hawaii are also required to follow the rules outlined in Haw. Rev. Stat. § 291C, such as riding with traffic and obeying traffic control signals. Failing to comply with these statutes could reduce the amount of compensation awarded if the cyclist is found partially at fault.

Hawaii’s Comparative Negligence Rule

Hawaii follows a “modified comparative negligence” system under Haw. Rev. Stat. § 663-31. This means that an injured cyclist can still recover damages if they were partially at fault, so long as their share of fault doesn’t exceed 50%. However, their compensation is reduced in proportion to their degree of fault.

Types of Evidence That Help Prove Fault

Successfully proving fault in a bike accident depends heavily on collecting the right type of evidence. The more precise and objective the information, the stronger the case.

Police Reports

Always request a police officer at the scene. The official report will often include preliminary findings on who was at fault, statements from both parties, and eyewitness accounts. While not conclusive, it can serve as an influential piece of evidence.

Photographs and Video Footage

Photos of the crash scene, vehicle damage, injuries, road conditions, and traffic signals can tell a powerful story. If the accident occurred near a business or traffic light, surveillance footage might exist. Dash cams and helmet cameras can also capture crucial moments leading up to the impact.

Eyewitness Testimony

Neutral third-party witnesses can help support your version of events. Their statements can verify factors such as speed, direction, and any reckless behavior by the driver.

Vehicle and Bicycle Inspections

Damage to the vehicle and bicycle can indicate the angle and force of the collision. These details can help accident reconstruction professionals recreate the event.

Cell Phone Records

If distracted driving is suspected, cell phone records may confirm whether the driver was texting or on a call at the time of the crash.

Medical Records

Prompt medical care creates a documented timeline of your injuries and links them to the accident. Detailed treatment notes are valuable for proving the severity of harm.

Common Causes of Bike Accidents Where Drivers Are At Fault

Not every bike accident is caused by driver negligence, but many result from drivers failing to look out for cyclists or violating traffic laws. Below are several common scenarios where motorists are typically found liable.

Failure to Yield

Drivers may fail to yield the right-of-way to a cyclist at intersections, while turning, or entering a roadway. These actions frequently cause side-impact or head-on collisions.

Distracted Driving

Whether texting, eating, or adjusting the GPS, distracted drivers often overlook cyclists until it’s too late.

Dooring Accidents

When a driver opens a car door into a cyclist’s path without checking for traffic, it can cause serious head, neck, or spinal injuries.

Speeding and Aggressive Driving

Speeding drivers have less time to react and are more likely to misjudge a cyclist’s speed and distance.

Driving Under the Influence

Driving while impaired by drugs or alcohol reduces judgment and reaction time, making it highly dangerous for everyone on the road, including cyclists.

When Cyclists May Share Fault

Not all accidents are caused solely by the driver. Cyclists must also obey traffic laws. Fault may be shared if:

  • The cyclist was riding against traffic

  • They failed to signal or stop at traffic lights

  • They were wearing headphones or otherwise distracted

  • The bicycle wasn’t properly maintained (e.g., faulty brakes)

Even if a cyclist shares fault, they may still be eligible to recover a reduced amount of damages under Hawaii’s comparative negligence rule.

Steps to Take After a Bike Accident to Support Your Case

What you do immediately after the accident can have a lasting impact on your case. Taking specific actions can help preserve evidence and protect your rights.

Call Law Enforcement

Always report the crash and request a police report. It will help document key facts early and create a reliable record.

Get Medical Treatment

Even if injuries appear minor, seeking prompt medical attention builds a clear connection between the accident and your injuries.

Take Photos and Video

Capture images of your injuries, bike damage, the other vehicle, the surrounding area, and anything else relevant.

Collect Contact Information

Gather names, phone numbers, and addresses of the driver and any witnesses.

Avoid Discussing Fault

Don’t admit fault or make statements that could be used against you. Even saying “I’m sorry” can be misinterpreted as an admission of liability.

Preserve Physical Evidence

Keep your damaged bike, helmet, and clothing in their post-accident condition. They may be examined later as evidence.

How a Bike Accident Attorney Builds a Strong Claim

Working with a bike accident attorney can make the legal process more manageable and effective. Attorney Daniel T. Pagliarini uses decades of experience to help injured cyclists pursue full and fair compensation. As a seasoned personal injury attorney, he assists with all phases of a case, including:

  • Reviewing police reports and witness statements

  • Gathering medical and financial records

  • Reconstructing the accident with professionals, if needed

  • Negotiating with insurance adjusters

  • Filing a lawsuit if a fair settlement can’t be reached

Attorney Pagliarini’s knowledge of Hawaii law and commitment to thorough case development make him a reliable advocate for bike accident victims across the islands.

Frequently Asked Questions

What if I Wasn’t Wearing a Helmet?

Hawaii law requires cyclists under age 16 to wear helmets, but failure to wear one doesn’t automatically bar recovery. However, it may impact how much compensation is awarded, especially if the injuries involved head trauma.

Can I Still Sue if I Was Partially at Fault?

Yes. Under Hawaii’s comparative negligence rule, you can still recover compensation as long as you aren’t more than 50% responsible. Your award will be reduced by your share of fault.

How Long Do I Have to File a Claim?

In Hawaii, the statute of limitations for personal injury claims is two years from the date of the accident under Haw. Rev. Stat. § 657-7, or within two years of the last no-fault PIP payment. If you wait too long, you may lose your right to pursue compensation.

Are Drivers Always at Fault in Bike Accidents?

Not necessarily. Fault depends on the facts of the case. If the cyclist violated traffic laws, they could be held partially or entirely responsible. A detailed investigation is often needed to clarify liability.

What Damages Can Be Recovered?

You may be eligible for:

  • Medical expenses (past and future)

  • Lost income or reduced earning capacity

  • Property damage

  • Pain and suffering

  • Emotional distress

What If the Driver Left the Scene?

A hit-and-run driver can still be held accountable if identified. If not, you may be able to pursue compensation through your uninsured motorist (UM) coverage.

Do I Need a Bike Accident Attorney?

While not required, having a bike accident attorney like Attorney Daniel T. Pagliarini improves your chances of securing compensation. He can handle negotiations, protect your rights, and build a solid case backed by evidence.

Government Resource Supporting Cyclist Rights

According to the U.S. Department of Transportation Federal Highway Administration, more than 800 bicyclists die and over 45,000 are injured in traffic crashes each year nationwide. These statistics emphasize the importance of protecting cyclists and holding negligent drivers accountable.

Contact The Firm Today

If you’ve been injured in a bike accident in Honolulu, Hawaii, or on any of the Hawaii islands, Attorney Daniel T. Pagliarini can help you pursue the compensation you need. He serves clients on all of the Hawaii islands. Reach out to Daniel T Pagliarini AAL today.