David Zipper June 3, 2025 2025, CityLab The Global Struggle to Build Safer Cars David Zipper June 3, 2025 2025, CityLab Cars around the world are growing safer — but not in the US.
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 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 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 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 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 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 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 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 October 2, 2024 2024, Slate There Is No Technology Fix for Car Bloat David Zipper October 2, 2024 2024, Slate The only surefire way to reduce car bloat's harm: Shrink gigantic vehicles
David Zipper September 24, 2024 2024, Fast Company Why car companies might finally have to care about pedestrian safety David Zipper September 24, 2024 2024, Fast Company In the name of safety, NHTSA wants to require carmakers to moderate their gigantic designs. Good.
David Zipper August 28, 2024 2024, Slate, Featured How America Can Break Its Highway Addiction David Zipper August 28, 2024 2024, Slate, Featured Here's how the US can kick its wasteful, destructive habit of building ever-wider highways
David Zipper July 29, 2024 2024, Vox The big lie behind America’s ever-expanding highways David Zipper July 29, 2024 2024, Vox US transportation officials claim that widening highways will help solve climate change. That’s absurd.
David Zipper May 21, 2024 2024, Vox The misleading, wasteful way we measure gas mileage, explained David Zipper May 21, 2024 2024, Vox Americans have been thinking about fuel economy backwards — and mucking up climate policy as a result
David Zipper May 13, 2024 2024, Fast Company Detroit killed the sedan. We may all live to regret it David Zipper May 13, 2024 2024, Fast Company Ford, GM, and Stellantis no longer offer any sedan models in the US. That’s a risky move for them — and bad news for Americans.
David Zipper April 28, 2024 2024, Vox The reckless policies that helped fill our streets with ridiculously large cars David Zipper April 28, 2024 2024, Vox Instead of counteracting car bloat, federal policy has encouraged it
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 March 1, 2024 Vox, 2024 Driving at ridiculous speeds should be physically impossible David Zipper March 1, 2024 Vox, 2024 Tbe movement to adopt Intelligent Speed Assist is growing
