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 April 12, 2024 2024, CityLab An Ode to the Northeast Corridor, the Rail Line That Keeps Amtrak Alive David Zipper April 12, 2024 2024, CityLab I spoke with Dave Alff about his new book about the past, present, and future of Amtrak’s most essential route
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 26, 2024 Slate, 2024 What Will Happen to Traffic in the Wake of the Baltimore Bridge Collapse? David Zipper March 26, 2024 Slate, 2024 Believe it or not, congestion probably won’t worsen while Baltimore’s Key Bridge is repaired
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
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 February 8, 2024 2024, CityLab For Cities, ‘Transit Is Existential’ David Zipper February 8, 2024 2024, CityLab I spoke with Jarrett Walker about how transit agencies can survive the myriad challenges they now face.
David Zipper February 6, 2024 2024, Slate A 7,000-Pound Car Smashed Through a Guardrail. That’s Bad News for All of Us. David Zipper February 6, 2024 2024, Slate Huge cars will destroy guardrails, leaving taxpayers to pay for expensive upgrades.
David Zipper February 5, 2024 2024, CityLab Inside California’s Coming Fight Over Vehicle Speed Limiters David Zipper February 5, 2024 2024, CityLab Could California really be the first US state to require speed governors on new cars? State Sen. Scott Wiener thinks so.
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.
David Zipper January 23, 2024 2024, Slate Funny Safety Signs Have No Place on Highways David Zipper January 23, 2024 2024, Slate Highway safety puns don’t reduce crashes. The feds are right to discourage them.
David Zipper January 5, 2024 2024, Fast Company E-scooter companies are going bankrupt. That should alarm you even if you hate them David Zipper January 5, 2024 2024, Fast Company We should be rooting for e-scooter companies, not gloating over their struggles
David Zipper December 19, 2023 2023, CityLab On-Demand Microtransit Can’t Escape This Big Problem David Zipper December 19, 2023 2023, CityLab Door-to-door, on-demand transit is great — but it cannot scale.
David Zipper December 18, 2023 2023, Slate Why Is Your Car So Big? David Zipper December 18, 2023 2023, Slate American cars keep growing bigger and heavier — triggering a cascade of problems
David Zipper December 14, 2023 2023, Slate We’re About to Find Out How Dangerous the Cybertruck Really Is David Zipper December 14, 2023 2023, Slate The Cybertruck is recklessly designed — but the feds are powerless to prevent its launch
David Zipper December 7, 2023 2023, Fast Company Why 2023 was the year of the e-bike and not the self-driving car David Zipper December 7, 2023 2023, Fast Company 2023 was a very good year for e-bikes. For AVs…not so much.
David Zipper December 5, 2023 Slate, 2023 Important People Are Noticing How Terrible CLEAR Is for Airports David Zipper December 5, 2023 Slate, 2023 Congress is starting to realize how awful CLEAR is for flying — and for society
David Zipper November 30, 2023 2023, Other America’s public transit doesn’t have to be this way. It can learn lessons from abroad David Zipper November 30, 2023 2023, Other For the World Economic Forum, I offered a few lessons US transit agencies can learn from abroad