David Zipper April 3, 2025 2025, CityLab What Would ‘Transportation Abundance’ Look Like? David Zipper April 3, 2025 2025, CityLab To improve transportation, the abundance movement must consider the kind of infrastructure that gets built — not just the quantity.
David Zipper March 25, 2025 2025, CityLab How SUVs Are Making Traffic Worse David Zipper March 25, 2025 2025, CityLab A groundbreaking new study suggests that SUVs are creating more traffic jams
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 25, 2025 2025, CityLab The Trump Administration Takes Aim at Transportation Research David Zipper February 25, 2025 2025, CityLab President Trump is attacking the foundations of transportation research, throwing the field into turmoil.
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 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 16, 2025 2025, CityLab Will Americans Ever Lose Their Taste for Telework? David Zipper January 16, 2025 2025, CityLab Prof Pat Mokhtarian has been studying remote work for 40 years. She thinks its post-Covid popularity is permanent.
David Zipper January 9, 2025 2025, CityLab What Robotaxis Brought San Francisco David Zipper January 9, 2025 2025, CityLab I spoke with ex-SFMTA head Jeffrey Tumlin about the risks self-driving cars pose to cities like San Francisco.
David Zipper January 6, 2025 2025, CityLab Don’t Shrink the Bus David Zipper January 6, 2025 2025, CityLab The future of transit revolves around big vehicles, not small ones
David Zipper December 5, 2024 2024, CityLab Kansas City Looks Back on its Long, Costly Ride With Microtransit David Zipper December 5, 2024 2024, CityLab Kansas City is a microtransit pioneer, but results have underwhelmed
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 12, 2024 2024, CityLab Under Trump, Prepare for New US Transportation Priorities David Zipper November 12, 2024 2024, CityLab With Trump returning to the White House, US transportation policies will soon change. I spoke with T4A’s Beth Osborne to understand how.
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 October 24, 2024 CityLab, 2024 Robotaxis Are No Friend of Public Transportation David Zipper October 24, 2024 CityLab, 2024 Robotaxi companies like Waymo claim to be transit’s new best friend. Be skeptical.
David Zipper October 4, 2024 2024, CityLab What Do US Vehicle Regulators Have Against Tiny Cars? David Zipper October 4, 2024 2024, CityLab American regulators are blocking creative minicars from around the world that are fun, practical, and affordable.
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 July 12, 2024 CityLab, 2024 How Subway Riders Will Pay for NYC’s Congestion Pricing Halt David Zipper July 12, 2024 CityLab, 2024 After killing congestion pricing, NY Gov Hochul wants the MTA to focus on system expansion, not maintenance. Bad idea.
David Zipper July 2, 2024 2024, CityLab How E-Bikes Won Over Europe David Zipper July 2, 2024 2024, CityLab I spoke with the OECD’s micromobility guru about lessons (and warnings) of Europe’s e-bike boom
