Chicago Bike Route Safety Map

Chicago has more than 400 miles of on-street bikeways plus an 18-mile car-free Lakefront Trail and a 2.7-mile elevated rail-to-trail called The 606 — but the safety of any given ride depends heavily on which of the city's numbered grid streets you choose. Brakeaway scores every route across Chicago from 0 to 100 based on protected infrastructure, intersection risk, traffic volume, door-zone exposure, and surface quality. Paste a Google Maps link, upload a GPX, or connect Strava. The score appears in about 10 seconds.

How Brakeaway scores a Chicago route

Every route you submit is analyzed across five factors. The factor weights are calibrated to Chicago's specific conditions — a flat, forgiving grid of numbered streets, a lakefront that essentially functions as a linear bike highway, a handful of transformative protected lanes downtown and on Milwaukee, and a long list of wide-arterial corridors where the posted speed and lane width make even a striped bike lane functionally hostile.

1. Protected infrastructure. What share of your route is on a separated path like the Lakefront Trail, an elevated trail like The 606, a concrete or post-protected bike lane like Dearborn or Kinzie, or a parking-protected lane like the newer Milwaukee Avenue segments? Protected miles score near the top of this factor; conventional paint-only bike lanes score in the middle; sharrows and unmarked streets score at the bottom.
2. Intersection risk. Chicago's grid gives you a signalized crossing every 400 feet whether you want one or not. Brakeaway penalizes arterial crossings — especially the six-lane monsters (Western, Ashland, Cicero, Pulaski, Harlem) — and flags left-turn conflict zones at diagonal streets like Milwaukee, Lincoln, Clybourn, and Clark.
3. Traffic volume and speed. Chicago's side-street grid typically carries 1,000–3,000 vehicles per day at 25–30 mph, which scores moderate-to-high. Major arterials carry 15,000–35,000 per day at 30–35 mph posted but often 40+ actual, which drives scores down sharply. The model uses CDOT traffic counts where available and defaults to OSM classifications elsewhere.
4. Door-zone exposure. Chicago's older bike lanes were painted inside the door zone of parallel-parked cars, and getting doored remains one of the most common crash types reported through Vision Zero. Brakeaway explicitly flags door-zone segments — any bike lane less than 5 feet from parked cars without a buffer — and reduces those scores regardless of traffic volume.
5. Surface quality. Chicago has miles of streetcar tracks still embedded in the pavement, plus freeze-thaw potholes, occasional cobblestone on Chicago River access streets, and metal plates over ongoing water-main work. Brakeaway scores surface quality segment-by-segment and flags high-hazard surfaces, especially oblique-angle rail crossings.

Best-scored Chicago bike routes

These are the routes that consistently score highest across Brakeaway's five factors. Each one is a good first ride, a good repeat ride, or both.

Lakefront Trail (Ardmore to 71st Street, 18 miles)

The flagship Chicago bike route — paved, fully separated from motor traffic, and running the full length of the Lake Michigan shoreline. Since the 2018 trail separation project the bike path and pedestrian path are physically split along most of the corridor, which dropped collision rates and raised Brakeaway scores into the high 90s end-to-end. Oak Street Beach, North Avenue Beach, Montrose Harbor, Grant Park, and Burnham Harbor are natural rest points. The short on-street detour between 41st and 43rd Street (the Lakefront Trail's only notable gap) is the segment that drops below a 95.

The 606 / Bloomingdale Trail (Walsh Park to Ridgeway, 2.7 miles)

Chicago's elevated rail-to-trail — think High Line but built for commuting. Fully separated from motor traffic, paved, and running east–west through Wicker Park, Bucktown, Logan Square, and Humboldt Park. Scores 98–100 for its entire length. Connects neighborhoods that are otherwise separated by the Kennedy Expressway and the diagonal grid. The access ramps at Western, California, Kedzie, and Ridgeway all score near 100.

Dearborn Street PBL (Polk to Kinzie)

Chicago's first two-way protected bike lane through the Loop, opened in 2012 and still the gold standard for downtown infrastructure. Concrete curb separation, bike-specific signals at every major intersection, and a dedicated left-turn phase at nine crossings. Scores in the low 90s for most of its length. The connecting Kinzie Street PBL across the river continues the protection north to the River North / River West corridor.

Milwaukee Avenue corridor (Kinzie to Logan Square)

The spine of Chicago's northwest-side bike commute. The southern segments through River West and the West Loop have parking-protected lanes and bike signals; the middle section through Wicker Park and Bucktown is a mix of protected and conventional; the 2024–2025 upgrades between Division and Logan Square added concrete curb segments. Scores range from the mid-80s on the protected sections to the low 60s on the remaining door-zone stretches. Brakeaway flags exactly which blocks have which treatment.

Clark Street (North Avenue to Foster)

North-side protected bike lane connecting Old Town, Lincoln Park, Lakeview, and Uptown. Parking-protected for most of its length with bike-specific signals at the diagonal Clark–Diversey and Clark–Belmont intersections. Scores in the mid-80s and offers a low-stress alternative to the Lakefront Trail when the Trail is crowded. The Andersonville segment north of Foster transitions to conventional bike lanes and scores lower.

Manor Greenway + North Shore Channel Trail (Kedzie to Touhy)

The north-side's quietest connector. The Manor neighborhood greenway uses traffic calming and diverters to keep vehicle volumes low, then links to the North Shore Channel Trail — a fully paved path along the sanitary channel that runs all the way to the Skokie border. Scores in the high 80s and low 90s. Underused by downtown-centric cyclists; a regular staple for north-side commuters and recreational riders.

Major Taylor Trail + Cal-Sag Trail (south-side connection)

Named for the pioneering Black cyclist Marshall "Major" Taylor, this 7-mile paved path through Beverly and Morgan Park connects south-side neighborhoods to the Cal-Sag Trail in the south suburbs. Fully separated for most of its length. Scores in the high 80s to low 90s. The canonical south-side "get me off the street" route.

Kinzie Street PBL + Chicago River waterfront connection

The east–west protected lane on Kinzie crosses the Chicago River with a dedicated bike path and connects directly to Dearborn's north end. Combined with the Chicago Riverwalk (which technically prohibits biking on the lower walk but allows it at street level) and the emerging Chicago River Trail, Kinzie functions as the northern gateway to the Loop for cyclists. Scores in the high 80s and low 90s on the protected segments.

Chicago neighborhoods — what to expect

Safety scores vary widely by neighborhood. Here's what routes typically score where.

The Loop and River North

Downtown scores have improved significantly since the Dearborn and Kinzie PBLs opened and the Randolph Street PBL extended the network. But the Loop remains a high-traffic, high-intersection environment. Default to Dearborn for north–south and Kinzie or Randolph for east–west. Avoid Wacker Drive's lower level and the Lake Shore Drive on-ramps. Scores on the protected corridors run in the 80s–90s; scores on unprotected downtown streets (State, Clark south of Kinzie, LaSalle at rush hour) drop into the 50s–60s.

North Side — Lakeview, Lincoln Park, Old Town

Some of Chicago's strongest bike infrastructure density after the Clark Street PBL extension. The Lakefront Trail runs along the eastern edge. Side streets like Wolcott, Wood, and Wolfram carry low traffic and form informal greenways. Weak points are the diagonal crossings — Lincoln, Clybourn, Halsted — where intersection geometry creates left-turn conflicts. Scores on side streets run in the 80s; scores on arterial segments drop into the 50s–60s.

West Loop, Fulton Market, West Town

The West Loop has exploded as a bike commute destination since 2020 — denser protected-lane coverage, bike parking buildouts, and Milwaukee Avenue as the spine. Fulton Market's curb-protected Lake Street lane scores in the high 80s. West Town leans on Milwaukee for east–west; north–south options are thinner, which pushes commuters onto Ashland or Damen unless you know the side-street workaround.

Wicker Park, Bucktown, Logan Square, Humboldt Park

The 606 is the backbone — both a commute corridor and a neighborhood connector. Milwaukee Avenue is the other main spine. Side streets (Wabansia, LeMoyne, Schubert) are low-traffic and form a decent informal grid. Scores on The 606 and adjacent side streets run in the 90s; scores on Fullerton, Armitage, North, and Division vary with the specific protection at each block.

South Side — Bronzeville, Hyde Park, Woodlawn

The Lakefront Trail covers the east edge all the way to 71st Street. The Bronzeville protected lane network (Martin Luther King Dr, King Dr bike lane, 29th Street) gives the near-south a stronger grid than is widely recognized. Hyde Park's internal network is quiet and well-signed. Weak points: long arterial stretches (47th, 63rd, Garfield) without continuous protection, and the east–west gaps between Bronzeville and the Lakefront. Scores on the Lakefront Trail and Bronzeville PBLs run in the 80s–90s; scores on the arterials drop into the 40s–50s.

Northwest Side and Avondale

Milwaukee Avenue's northwest extension through Avondale and Jefferson Park is improving but remains patchy. Elston Avenue carries heavy traffic and limited protection. Side streets are strong — Pulaski Park, Kilbourn, and the neighborhood greenways around Irving Park Road all score well. The O'Hare-bound corridor remains Chicago's biggest bike-infrastructure gap.

Chicago's Complete Streets policy and Vision Zero

Chicago adopted Complete Streets in 2013 and a Vision Zero action plan in 2017 committing to eliminate traffic fatalities on the city's streets. Implementation has been uneven — the city has published annual progress reports and identified the High Crash Corridors where the majority of serious injuries occur (Western, Ashland, Cicero, Pulaski, Stony Island, Cermak, 47th, 63rd, 79th, and others). For cyclists, the implication is that the network is still being built out: corridors that score 55 today may score 80 or 90 after a planned protection upgrade. Brakeaway refreshes infrastructure monthly, so re-scoring an old commute every six months will catch new improvements.

Ongoing 2026 projects that will change scores include the Chicago River Trail build-out (connecting the North Branch Trail south through River West to the Loop), the continued Milwaukee Avenue upgrades north of Logan Square, the Ashland Avenue BRT-adjacent bike improvements, and the ongoing Vision Zero corridor treatments on Western and 63rd.

First-time Chicago cyclist — the things nobody tells you

The numbered grid is your friend. Chicago's numbered-grid street system means a parallel alternative almost always exists one or two blocks from any arterial. If a route forces you onto Western or Ashland for more than a block, the route is wrong — Brakeaway will score it accordingly and usually reroute you. Side streets like Wood, Hoyne, Leavitt, and Claremont run for miles without the arterial traffic.

Diagonal streets are Chicago's intersection trap. Milwaukee, Lincoln, Clybourn, Clark, Elston, Ogden, and Archer all cut diagonally across the grid, creating six-way intersections with complicated signal phasing and left-turn conflicts. Brakeaway flags these intersections explicitly because crash data consistently shows they're overrepresented relative to their traffic share.

The Lakefront Trail in summer. On peak summer weekends the Lakefront Trail is the busiest bike path in the Midwest. The 2018 trail separation split pedestrians and cyclists, which helped, but crowds at North Avenue Beach, Oak Street, and Navy Pier are still slow-going. Early mornings (before 8 a.m.) and evenings (after 7 p.m.) get you the trail at its fastest. The trail is open 24 hours but lighting is limited and CPD presence is uneven after dark.

Divvy vs your own bike. Divvy is Chicago's Lyft-operated bike-share, now fully available as both classic pedal bikes and Class 1 pedal-assist e-bikes. Single rides and day passes are economical for short trips, but annual Divvy membership versus owning a bike pays back in about four months for any regular commuter. Brakeaway scores both identically — the motor doesn't change the infrastructure.

Winter cycling is real but thin. Chicago's bike mode share hovers around 1.5–2% year-round in survey data, but the winter cohort is a fraction of that — maybe 15–20% of summer riders keep going through January and February. CDOT does not plow the Lakefront Trail. Studded tires, full fenders, and a willingness to choose routes CDOT does plow (the downtown PBL network, major bike lanes on cleared streets) are the difference between a bikeable winter and a shelf-the-bike one.

The CTA is a reset button. CTA rules allow bikes on trains at all times except weekday rush hour (7–9 a.m. and 4–6 p.m.). Buses have front-mounted racks at all times. If a route scores poorly or weather turns, the train home is an option that most Chicago cyclists underuse.

Resources

• Chicago Department of Transportation — biking
• Vision Zero Chicago
• Active Transportation Alliance — local advocacy
• Divvy — Chicago bike share
• The 606 / Bloomingdale Trail

Frequently asked questions

Is Brakeaway free to use for Chicago routes?

Yes. Scoring routes — in Chicago or any other city Brakeaway covers — is free. You can upload a GPX file, paste a Google Maps directions link, or connect Strava to import existing rides.

I'm new to Chicago cycling. Where should I start?

The Lakefront Trail is the default first ride — 18 miles of car-free paved path along Lake Michigan from Ardmore in Edgewater down to 71st Street in South Shore. Pick a 3-to-5-mile segment (Oak Street Beach to Navy Pier, or North Avenue Beach to Montrose) and you have a confidence-building loop with minimal street-crossing exposure. After that, The 606 is the natural second ride — fully elevated, fully protected, runs through four neighborhoods.

Why does Brakeaway score protected bike lanes higher than regular bike lanes?

A conventional Chicago bike lane is a painted stripe inside a door zone — cars park to the right of the lane and cyclists routinely get doored. A protected bike lane (PBL) puts physical separation between moving traffic and cyclists: flex posts, concrete curbs, or parked cars acting as a buffer. Chicago's Dearborn Street PBL, the Milwaukee Avenue improvements, and the Clark Street south of North Avenue upgrades are examples. Brakeaway scores protected lanes substantially higher because door-zone and sideswipe risk drop dramatically.

How does Brakeaway treat Divvy e-bikes?

Divvy is Chicago's Lyft-operated bike-share, available as both classic pedal bikes and Class 1 pedal-assist e-bikes (capped below 20 mph). Brakeaway scores Divvy routes identically to routes on your own bike; the assist doesn't change infrastructure risk. Export a Divvy trip as GPX from the Lyft app history and upload it to see the score.

Which Chicago streets should I avoid?

Brakeaway consistently scores the following corridors very low: Western Avenue (six lanes, high speeds, minimal bike infrastructure), Cicero Avenue, Pulaski Road, Ashland Avenue north of Division, and stretches of Cermak and 47th Street. All carry heavy traffic with narrow or nonexistent bike lanes and sit on Chicago's Vision Zero high-crash corridor list. Pre-score any route that touches them and plan a parallel street wherever possible — Chicago's numbered grid usually gives you a low-stress alternative one or two blocks over.

Can I bike across Chicago's bridges and over expressways?

Yes, most Chicago River bridges have bike access. The Kinzie Street bridge has a two-way protected bike lane and scores in the 90s. Wells Street, Dearborn, LaSalle, and Clark all have marked bike routes across the river. For Kennedy and Dan Ryan expressway crossings, use signalized cross-streets like Fullerton, Belmont, or Diversey on the north side — avoid any on-ramp crossings that aren't explicitly marked for bikes.

Does Brakeaway work for the Lakefront Trail during Winter?

Route scores don't change seasonally — the infrastructure is the same in January as in June. But Chicago Department of Transportation doesn't plow the Lakefront Trail, so surface conditions during winter are cyclist-dependent. Brakeaway assumes nominal surface conditions; factor in weather for your own risk assessment. The 606, Milwaukee Ave PBL, and most downtown protected lanes are plowed with the street network.

How often is Chicago route data updated?

Infrastructure data is refreshed monthly from Chicago Department of Transportation open datasets, OpenStreetMap, and Vision Zero Chicago project updates. New protected-lane openings — the ongoing Milwaukee Ave upgrades, the Chicago River Trail build-out, and 2026 Vision Zero corridor projects — are reflected in scores within 30 days of opening.

Last updated: April 20, 2026.