David Zipper March 13, 2025 2025, Fast Company Detroit killed the sedan. Trump’s trade war will make them wish they hadn’t David Zipper March 13, 2025 2025, Fast Company The Big Three’s commitment to car bloat leaves them vulnerable to Trump’s economic chaos
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 February 12, 2025 Slate, 2025 Don't buy a Tesla. If you have one, sell it. David Zipper February 12, 2025 Slate, 2025 Musk is an enemy of democracy. Stop buying cars from the company he leads.
David Zipper February 11, 2025 2025, Fast Company This Google Maps ‘safety’ feature could actually make roads more dangerous David Zipper February 11, 2025 2025, Fast Company New features in Google Maps make the navigation app dangerously distracting — and users can’t turn them off
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 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 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 10, 2024 2024, Slate Giant Cars Are Going Global David Zipper December 10, 2024 2024, Slate American-style car bloat is going global
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 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 21, 2024 2024, Fast Company Who’s really to blame—and who isn’t—for America’s traffic death epidemic David Zipper November 21, 2024 2024, Fast Company Saying that “road safety is a shared responsibility” is misleading and counterproductive.
David Zipper November 14, 2024 2024, Fast Company Forget about EV range—and focus on this instead David Zipper November 14, 2024 2024, Fast Company EV companies should talk more about vehicle efficiency — and less about range and acceleration
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 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!
