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 November 14, 2023 2023, CityLab How Cars Transformed Criminal Justice in the US David Zipper November 14, 2023 2023, CityLab I spoke with author and professor Spencer Headworth about how cars have upended law enforcement.
David Zipper October 19, 2023 2023, Fast Company Estonia’s capital made mass transit free a decade ago. Car traffic went up. David Zipper October 19, 2023 2023, Fast Company Tallinn, Estonia started offering fare-free transit in 2013. It’s accomplished basically nothing.
David Zipper July 12, 2023 2023, CityLab Repairing the Roads That Were Built to Divide David Zipper July 12, 2023 2023, CityLab I spoke with Veronica Davis about her new book, Inclusive Transportation
David Zipper May 4, 2023 2023, Slate What’s More Important: Making Mass Transit Better or Making It Free? David Zipper May 4, 2023 2023, Slate The District of Columbia faces a choice: Better transit or free transit?
David Zipper April 22, 2022 2022, CityLab Free Public Transit Is Not a Climate Policy David Zipper April 22, 2022 2022, CityLab Let’s be honest: Fare-free transit is not a climate solution.
David Zipper November 11, 2021 2021, CityLab How Opportunity Zones Launched a ‘Gold Rush’ for Wealthy Investors David Zipper November 11, 2021 2021, CityLab Opportunity Zones were supposed to revitalize low-income American communities. That’s not what happened.
David Zipper October 22, 2021 2021, Featured, Washington Post Five Myths About Highways David Zipper October 22, 2021 2021, Featured, Washington Post Why five common myths about highways are just that — myths.
David Zipper February 16, 2021 2021, CityLab Post-Covid, Transit Agencies Must Look Beyond Ridership David Zipper February 16, 2021 2021, CityLab Transit agencies should strive to maximize access— not just ridership— as they recover from Covid
David Zipper June 16, 2020 2020, CityLab The High Cost of Bad Sidewalks David Zipper June 16, 2020 2020, CityLab Often overlooked, sidewalks are critical enables of urban mobility.
David Zipper April 30, 2020 2020, CityLab The Sudden Crash and Possible Comeback of Commuter Rail David Zipper April 30, 2020 2020, CityLab COVID-19 is taking an especially steep toll on commuter rail. Can it reinvent itself?
David Zipper December 19, 2019 2019, CityLab Did Uber Enable Discrimination by Destination? David Zipper December 19, 2019 2019, CityLab A small update in Uber's driver app could limit mobility for certain users.
David Zipper May 19, 2019 2019, Pacific Standard, Other How Cities Can Ensure Fair, Affordable Transit Amid A Glut Of Emerging Transportation Technologies (With David A. King) David Zipper May 19, 2019 2019, Pacific Standard, Other How cities can manage streets in an era of rapidly-changing technology.
