David Zipper January 22, 2026 2026, CityLab Achieving ‘Transportation Abundance’ Is All About Density David Zipper January 22, 2026 2026, CityLab A surefire way to make transportation more affordable and abundant? Increase density.
David Zipper October 23, 2025 2025, CityLab American Roads Are Paved With Inefficiency David Zipper October 23, 2025 2025, CityLab My conversation with Yale prof Zach Liscow about the wild inefficiencies of state DOTs
David Zipper September 26, 2025 2025, CityLab Why US Cities Pay Too Much for Transit Buses David Zipper September 26, 2025 2025, CityLab Can Abundance-coded reforms reduce the cost of US transit buses?
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.
