f you’re suffering after a bike accident—whether it was a dooring collision or a right-turning vehicle—you’re likely facing a lot of questions and not many answers. Likely the biggest one is this: does the law actually treat cyclists in Illinois the same way as it does drivers? The short answer is yes. Under Illinois law, cyclists generally have the same rights and duties as motorists while riding on the roadway. See 625 ILCS 5/11-1502. Illinois also has specific rules governing bicycle operation, including roadway positioning under 625 ILCS 5/11-1505. This fact can make all the difference for your eventual claim if you’ve been hurt in an accident. That’s why the Chicago bicycle accident lawyers here at Lerner and Rowe have prepared this helpful guide.
Illinois’ Bicycle Statute: 625 ILCS 5/11-1505
625 ILCS 5/11-1505 is a short statute, but it’s very consequential when it comes to bike lane crash liability in Illinois. It says that anyone riding a bike on Illinois roads has the same rights and duties that apply to drivers of cars—with a few exceptions written elsewhere in the code for things like not riding on the sidewalk.
In practice, this means:
- A cyclist generally has the same right-of-way protections as a motor vehicle when operating lawfully on the roadway
- A cyclist can be found to have been negligent for running a red light or speeding through a stop sign—just like a driver
- A driver who breaks a right-of-way law for cyclists in Illinois can be held liable for a crash—just as if they’d hit another car
This is a real game-changer when it comes to bolstering your dooring accident claim in Chicago. When a driver fails to give way, turns without checking their mirrors, or opens their car door right into traffic – they’re not just being careless—they’re actively breaking a specific traffic law in Illinois.
And that fact in itself is pretty telling evidence of negligence in a personal injury claim because it shows the driver didn’t just make a mistake – they broke a rule of the road that’s there to keep cyclists safe.
Common Chicago Bike Lane Hazards We See Time and Again
Chicago’s bike infrastructure has really taken off over the past decade – you’ve got protected lanes popping up on streets like Milwaukee Avenue, Clybourn and Kinzie, plus the Lakefront Trail running the whole length of the city. That growth has been great for cyclists, but it’s also created some very specific and repetitive crash patterns.
Dooring
Dooring happens when a driver pulls up to the curb and opens their car door right into a cyclist’s path, just as the cyclist is riding by. It’s one of the most common bike-related injuries in the city and it’s serious enough that Illinois law specifically prohibits opening a vehicle door into moving traffic unless it can be done safely. According to state law, opening a vehicle door into moving traffic – including bike traffic – without checking first is simply against the law. A bicycle accident attorney in Chicago, IL can build a strong case if you’ve been hurt in a dooring incident.
Right-Hook Turns at Intersections
A “right hook” happens when a driver passes a cyclist and then turns right in front of them, cutting off the cyclist’s path. This is especially common at intersections where a protected bike lane runs alongside a lane that also allows right turns. A driver either misjudges the cyclist’s speed or simply doesn’t even bother to look and turns straight into their path.
These crashes tend to happen fast, and they’re often blamed on the cyclist “coming out of nowhere,” even though the cyclist had the right-of-way the entire time.
Delivery Vehicles Blocking Protected Lanes
Anyone who bikes in the Loop or River North knows this one. A delivery van or rideshare vehicle double-parks in the protected lane, forcing cyclists to merge into traffic to get around it. That merge is where a lot of crashes happen – not because the cyclist did anything wrong, but because a vehicle that shouldn’t have been in the bike lane created a dangerous, unpredictable situation.
Comparative Fault for a Chicago Bicycle Accident
Illinois uses what’s called a modified comparative fault rule. Here’s what that means for your claim: if you’re found partially at fault for the crash, your compensation gets reduced by your percentage of fault. But as long as you’re found less than 51% at fault, you can still recover.
So if a driver right-hooks you and a jury decides the driver was 80% at fault and you were 20% at fault (maybe your lights weren’t on at dusk, for example), your total recovery would be reduced by that 20% – not eliminated.
How Insurers Try to Shift Blame
This is where things get frustrating for a lot of the cyclists we talk to. Insurance adjusters know that comparative fault can reduce a payout, so they’ll often look for any angle to shift some percentage of blame onto the rider. Two arguments come up constantly:
- “You weren’t riding far enough to the right.” Lane positioning gets picked apart a lot, even when a cyclist is riding safely and predictably within a marked lane.
- “You weren’t wearing a helmet.” Here’s an important fact: Illinois does not have a statewide helmet law for adult cyclists. Not wearing one isn’t a traffic violation. Insurers sometimes raise this point anyway, hoping it’ll stick.
Neither of these arguments changes the fact that the driver’s action – the door, the turn, the blocked lane – is what put you in danger in the first place. But knowing these tactics exist ahead of time helps you understand why documentation, witness statements, and a clear account of what happened matter so much after a crash.
What to Do after a Bicycle Accident in Chicago
If you’re able to, a few steps in the immediate aftermath can make a real difference later:
- Call 911 and get medical attention, even if you feel okay. Adrenaline hides pain, and some injuries don’t show symptoms right away.
- Get the police report on record. This creates an official account of the crash and often includes witness contact information.
- Photograph everything – the vehicle, the bike lane, the door or turn involved, your bike, and your injuries.
- Get contact info from witnesses. Chicago sidewalks and lanes are busy; someone likely saw what happened.
- Don’t give a recorded statement to the driver’s insurance company before talking to someone who can advise you on how comparative fault arguments might come into play.
625 ILCS 5/11-1505 Frequently Asked Questions
Does Illinois law give cyclists the same rights as drivers?
Yes. Under 625 ILCS 5/11-1502, cyclists riding on Illinois roads have the same rights and the same responsibilities as motor vehicle drivers.
Is dooring illegal in Chicago?
Yes. Illinois law prohibits opening a vehicle door into the path of oncoming traffic without first checking that it’s safe to do so.
Is a cyclist required to wear a helmet in Illinois?
No. Illinois does not have a statewide helmet law for adult riders, so not wearing one typically is generally not evidence that the cyclist caused the collision, although the issue could arise in limited circumstances depending on the injuries claimed.
What happens if I was partly at fault for my bike accident?
Illinois uses a modified comparative fault system. If you’re found less than 51% at fault, you can still recover compensation, though your total amount is reduced by your percentage of fault.
What should I do immediately after a bike lane crash in Chicago?
Call 911, get medical care, document the scene with photos, collect witness information, and avoid giving a recorded statement to an insurance company before you understand how fault will be evaluated.
Here to Help With 625 ILCS 5/11-1505
Getting hit while riding your bike is disorienting enough without having to untangle Illinois traffic law on your own. If you were doored, right-hooked, or run off the road by a vehicle blocking a protected lane in Chicago, we’d like to talk with you about what happened.
Give our Chicago personal injury lawyers a call at (844) 977-1900, fill out a contact form, or use LiveChat now. There’s no pressure – just straight answers about your rights under Illinois law and what your next steps could look like. And remember, it costs you nothing to talk to us: we don’t get paid unless you win.
The information on this blog is for general information purposes only. Nothing herein should be taken as legal advice for any individual case or situation. This information is not intended to create, and receipt or viewing does not constitute, an attorney-client relationship.