Section

LRules & Safety

Illinois and Chicago bike law in plain English, quoted from the statute and the Municipal Code.

A Chicago Fire Department ambulance leaving a station

Bike Crash in Chicago: What to Do and Who to Call

Steps after a bicycle crash in Chicago from official sources: 911 versus 311, what to collect, driver duties under Illinois law, and getting the police report.

A green protected bike lane with bollards at a downtown Chicago intersection

Chicago Bike Laws: What Every Rider Must Know

Chicago and Illinois bike laws in one page: where to ride, lights, hand signals, phones, passing distance, e-bikes and the fines that apply.

A protected bike lane extended across a Chicago intersection

Chicago Cycling Safety Data: Deaths, Injuries and What the Numbers Mean

Chicago bike and scooter deaths fell from 11 in 2021 to 4 in 2024, but serious injuries did not. CDOT's numbers by year and how they are counted.

A Chicago sign reading Bikes May Use Full Lane mounted beneath an elevated structure

Chicago Dooring Law: The Rule, the Fines and How to Avoid It

Opening a car door into a cyclist is illegal in Chicago and Illinois. The ordinance, the $300 and $1,000 fines, the 4-foot door zone and the Dutch Reach.

A protected bike lane with corner islands at a Chicago intersection

Chicago E-Scooter Rules: Where You Can Ride, Age, Speed and Parking

Where e-scooters may ride in Chicago, the Lakefront Trail ban, rental age and speed limits, parking rules, and Illinois SB 3484, effective January 1, 2027.

A CDOT notice on a pole telling drivers to leave at least 3 feet when overtaking people on bikes

Illinois 3-Foot Passing Law for Bicycles: The Rule, Fines and Exceptions

Illinois drivers must leave at least 3 feet when passing a bicycle. The statute, Chicago's $150 and $500 fines, and the no-passing-zone exception.

Illinois Bike Helmet Law: What Riders Must and Should Wear

What Illinois and Chicago require on a bicycle, what state and city guidance says about helmets, and how to fit one properly.

Illinois Bike Light Law: What You Need After Dark

What Illinois and Chicago require on a bicycle at night: the 500-foot white front lamp, the red rear reflector or light, brakes, and where the fines come from.

A Divvy electric bike docked at a station in a Chicago park

Illinois E-Bike Laws: Classes, Age Limits and Where to Ride

Illinois sorts e-bikes into three classes. Where each may ride, who may ride it, and the age rules that change on January 1, 2027.

A wide Chicago sidewalk beside a red and green bus-only lane

Is It Illegal to Ride a Bike on the Sidewalk in Chicago?

In Chicago, riders 12 and older may use a sidewalk only on marked bike routes or to reach the road. The ordinance, the fine range and the state rule.

A shaded paved path through Lincoln Park

Kids Biking Rules in Chicago: Sidewalks, Age Limits and Gear

Where children may ride in Chicago: the sidewalk rule at age 12, the 16-year minimum for Class 3 e-bikes, carrying a child, and free Learn to Ride classes.

A Divvy bike beside the Lakefront Trail with Lake Michigan beyond

Lakefront Trail Rules: Right Side, Yielding and E-Bikes

The Lakefront Trail rules that bind a cyclist: Park District Code on yielding and warnings, where bikes are banned, e-bike limits and the 2027 state law.

Bus lane and bike lane marked along Walton Street in Chicago

Parking in a Chicago Bike Lane: The $250 Fine, Tows and Cameras

Chicago bans standing or parking in a bike lane. The ordinance, the $250 fine, the immediate-tow rule, the Smart Streets cameras and what buses may do.

Groups of cyclists riding along the Lakefront Trail with high-rises behind

Riding Two Abreast in Illinois and Chicago: The Rule

Illinois allows two cyclists abreast if they do not impede traffic; Chicago makes single file the default. The statute, the ordinance and the exceptions.

Photo credits (14)

Shakes1420 / Wikimedia Commons · CC BY-SA 2.0 · source
Eric Fischer / Wikimedia Commons · CC BY 2.0 · source
Eric Fischer / Wikimedia Commons · CC BY 2.0 · source
AlphaBeta135 / Wikimedia Commons · CC BY 4.0 · source
Eric Fischer / Wikimedia Commons · CC BY 2.0 · source
Eric Fischer / Wikimedia Commons · CC BY 2.0 · source
Andrew Kvalheim / Wikimedia Commons · CC BY-SA 4.0 · source
Donald Trung Quoc Don / Wikimedia Commons · CC BY-SA 4.0 · source
Raed Mansour / Wikimedia Commons · CC BY 2.0 · source
AlphaBeta135 / Wikimedia Commons · CC BY 4.0 · source
Ken Lund / Wikimedia Commons · CC BY-SA 2.0 · source
DimiTalen / Wikimedia Commons · CC0 · source
AlphaBeta135 / Wikimedia Commons · CC BY 4.0 · source
DimiTalen / Wikimedia Commons · CC0 · source