Policy

Berlin’s Bike Budget Cuts: How a Climate Capital Got Cold Feet

Berlin went from climate-mobility poster child to cutting bike and pedestrian budgets in half. What happened, and what can other cities learn before they backslide too?

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Cambridge, Massachusetts: When a City Makes Bike Lanes the Law

Cambridge, Massachusetts wrote protected bike lanes into law and defended it in court—twice. The result is one of the strongest legal commitments to safe cycling infrastructure in North America, showing what happens when a city doubles down on safer streets.

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New York City's Bike-Lane Drama: Lawsuits, Busways, and a Stalled Streets Plan

New York might be the original 'bike lane war' city. Over the last 15 years, it has gone from a handful of painted lanes to one of the largest protected networks in North America, but every big step has come with drama: lawsuits over flagship projects, apocalyptic congestion forecasts, a mayor who fell short of legal mandates, and now a car-free mayor-elect promising to complete what his predecessor left unfinished.

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Bikes vs. Bill 212: Ripping Out the Solution

Ontario tried to rip out Toronto's busiest bike lanes in the name of reducing gridlock. A 2025 court ruling found the removal would make people less safe without easing congestion—and struck it down as unconstitutional.

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Big Cars, Small Freedom

How oversized SUVs and pickup trucks are sabotaging walkable cities, safety, and climate — and why we need to deflate the big-car arms race.

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Half of Boston's Blocked-Bike-Lane Reports Come From Nine Corridors

Nearly 1,000 crowdsourced reports of cars in Boston bike lanes cluster onto a handful of corridors. An optimization over the data identifies nine merged corridors that account for 508 reports—53% of the total—yielding a map of where to build protection first.

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Twelve Loading Zones Could Cover Half of Cambridge's Blocked-Bike-Lane Reports

355 crowdsourced reports of cars in Cambridge bike lanes collapse onto a handful of curbs. An exact optimization finds the 12 smallest loading-zone locations—each a 200-meter circle—that together cover 51% of every report, and proves no eleven can do it.

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It's Not the E-Bikes. It's the Electric Motorcycles in the Bike Lane.

Why scary ‘e-bike’ crashes are usually electric motorcycles in disguise—and how enforcing existing class rules can fix the problem without banning real e-bikes.

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The Idaho Stop: Why Letting Bikes Yield at Stop Signs Makes Streets Safer

What the Idaho Stop law actually does, how it affects crash risk at intersections, and why more U.S. states are quietly adopting it for safer cycling.

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London’s Low-Traffic Revolt: When Quiet Streets Go to Court

London’s low-traffic neighbourhoods have slashed road injuries, ignited a ‘war on motorists’ narrative, and produced court rulings in both directions—making the city a live test of how evidence and politics collide.

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NYC Congestion Pricing: What It Is, Why It Works, and What to Watch

A research-backed guide to NYC congestion pricing: how cordon tolls reduce gridlock, fund transit, affect equity, and what lessons London and Stockholm offer.

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Reporting Cars in Bike Lanes: A History of Citizen Enforcement

How cyclists turned smartphones into an enforcement tool—from 311 and Bike Lane Uprising to Bike Bureau's open data and fast-growing Boston-area reporting network.

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Traffic Calming Saves Lives

How traffic-calming implementations in the US have contributed to pedestrian safety.

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What Blocks Bike Lanes

Explore the vehicles behind crowdsourced bike-lane obstruction reports. A photo-based breakdown with fleet counts and links to the original reports.

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