Cities

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?

read-more →

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.

read-more →

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.

read-more →

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.

read-more →

San Francisco’s Bike Lane Battles: Valencia, JFK, and the Great Highway

How San Francisco’s battles over Valencia Street, JFK Promenade, and the Great Highway reveal the politics and data behind reallocating space from cars.

read-more →

Barcelona’s Superblocks: When Traffic Lanes Became Public Squares

How Barcelona’s superblocks reclaim streets from cars, cut pollution and noise, and spark fierce debates about business, gentrification, and the right to the city.

read-more →

Bike Theft by the Numbers: Which US Cities Are Worst and Why

Bike theft in the US is a multi-billion-dollar problem concentrated in a handful of states and cities; this data-driven guide explains where theft is worst, why it clusters there, and what actually reduces the risk for everyday riders.

read-more →

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.

read-more →

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.

read-more →

Do Bike Lanes Hurt Local Businesses? What Controlled Studies Actually Find

Controlled studies test how bike lanes affect local business sales, jobs, vacancies, customer visits, parking, and construction disruption.

read-more →

E Bike Battery Fires Separating Hype From Real Risk

Are e-bike battery fires common? A data-driven look at how often they happen, what causes them, and simple steps riders can take to stay safe.

read-more →

How a Traffic Filter in Oxford Became a Global Conspiracy

How a mundane traffic filter scheme in Oxford morphed into a global ‘15-minute city’ conspiracy, and what it reveals about car-brain politics and urban planning.

read-more →

The Infrastructure That Brings Women Back to Bikes

Women aren’t ‘less into cycling’—they’re less into getting hit by cars. Here’s the street design that reliably closes the gender gap in biking.

read-more →

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.

read-more →

Paris After the Car

Paris shows how a car-choked capital can quickly become quieter, cleaner, and more livable, and what other gridlocked cities can copy.

read-more →

Real barriers don't fold

A car can only block a bike lane it's able to enter—which means the same lanes get parked in and get people killed. Greater Boston's blocked-lane reports show why only real, physical separation fixes both.

read-more →

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.

read-more →

The Fastest Way Around Boston: Bikes vs the T from Cleveland Circle

Using travel-time maps from Cleveland Circle, we compare cycling and the MBTA to see which is really faster for getting around Boston.

read-more →

Traffic Calming Saves Lives

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

read-more →

Why Women in the US Don't Bike as Much as Men

In Utrecht, women ride bikes as much as, or more than men. But in Chicago, men dominate the bike lanes. The difference isn’t culture or biology; it’s how the streets are built.

read-more →