David Zipper April 16, 2025 2025, CityLab Why the Best Bike Lanes Always Get Blamed David Zipper April 16, 2025 2025, CityLab Cities must build bike networks — not just lanes
David Zipper March 14, 2025 2025, CityLab The Dark Prophet of Car-Clogged Cities David Zipper March 14, 2025 2025, CityLab 70 years ago, Lewis Mumford warned that urban highways would be a disaster. We should’ve listened.
David Zipper February 20, 2025 2025, CityLab Who Should Fix the Sidewalk? David Zipper February 20, 2025 2025, CityLab Denver recently became the first major US city to “nationalize” its sidewalks in order to build them faster.
David Zipper January 27, 2025 2025, Fast Company Trump is all-in on cars. It’s up to cities to stop him David Zipper January 27, 2025 2025, Fast Company Even without federal help, local government can encourage people to bike, walk, and ride transit
David Zipper January 23, 2025 2025, CityLab What Happened to Hanging Out on the Street? David Zipper January 23, 2025 2025, CityLab Rather than lingering, Americans are racing through streets quickly — and alone. That’s bad news for cities.
David Zipper January 6, 2025 Vox, 2025 Gigantic SUVs are a public health threat. Why don’t we treat them like one? David Zipper January 6, 2025 Vox, 2025 Like smoking a cigarette, driving a giant car endangers innocent bystanders. There is power in that narrative.
David Zipper December 3, 2024 2024, Slate Why It’s So Frickin’ Hard to Stop Driving David Zipper December 3, 2024 2024, Slate Typically, commuters are creatures of habit. But under certain circumstances, we’re not.
David Zipper November 26, 2024 CityLab, 2024 In Italy’s Motor City, Car-Free Options Are Growing David Zipper November 26, 2024 CityLab, 2024 Turin, Italy’s automaking hub, is falling out of love with cars
David Zipper November 13, 2024 2024, Vox The most dangerous roads in America have one thing in common David Zipper November 13, 2024 2024, Vox In the US, 2/3 of city crash deaths occur on streets control by the state — not local gov. That’s a problem.
David Zipper October 30, 2024 2024, CityLab Is Denver’s Big Bet on E-Bikes Paying Off? David Zipper October 30, 2024 2024, CityLab I visited Denver to draw lessons from the first US city to offer e-bike rebates. TLDR: It’s working well!
David Zipper September 23, 2024 2024, CityLab Unlocking the Hidden Power of Zoning, for Good or Ill David Zipper September 23, 2024 2024, CityLab I spoke with Sara Bronin about her new book, Key to the City, and whether zoning can be a force for urban progress
David Zipper August 26, 2024 2024, CityLab A Loud Warning From the Past About Living With Cars David Zipper August 26, 2024 2024, CityLab For over a century, blaring car noises have frayed the nerves of urban residents. Will they ever stop?
David Zipper July 31, 2024 2024, CityLab The Quiet Power of Car-Free Neighborhoods David Zipper July 31, 2024 2024, CityLab Without cars, urban neighborhoods become quieter — and better
David Zipper June 11, 2024 2024, Vox Business owners are buying into a dumb myth about driving David Zipper June 11, 2024 2024, Vox Small business owners regularly overestimate the share of customers who drive
David Zipper June 3, 2024 2024, CityLab A Traffic Engineer Hits Back at His Profession David Zipper June 3, 2024 2024, CityLab I spoke with Wes Marshall, an urban planner and engineering professor, about the reasons US traffic engineers prioritize car speed over road safety.
David Zipper May 15, 2024 CityLab, 2024 Meet the Montreal Mayor Who Declared War on SUVs David Zipper May 15, 2024 CityLab, 2024 In Montreal, local leaders are using parking fees to fight back against car bloat.
David Zipper April 2, 2024 2024, CityLab Looking for a Place to Sit Down in the City David Zipper April 2, 2024 2024, CityLab On William Whyte’s timeless lessons about the social lives of urban spaces
David Zipper March 19, 2024 2024, Slate TikTok Is Taking a Page From the Uber Playbook David Zipper March 19, 2024 2024, Slate How Uber inspired TikTok’s lobbying strategy.
David Zipper February 28, 2024 CityLab, 2024 What E-Bike Rebates Can (and Can’t) Do David Zipper February 28, 2024 CityLab, 2024 A new study explores the power and limits of e-bike rebates, offering tips to maximize their effectiveness
David Zipper January 24, 2024 CityLab, 2024 The Town That Took Downtown Renewal to the Next Level David Zipper January 24, 2024 CityLab, 2024 Morristown, TN built elevated sidewalks through its downtown — but lifting pedestrians above traffic has been a mixed blessing.