Diana is a writer and urbanist passionate about public space, historical memory, and transportation equity. Prior to joining Planetizen, she started and managed a farmers' market and worked as a transportation planner in the bike share industry. She is Planetizen's editor as of January 2022.

Milwaukee Bike Share More Popular Than Ever
The city’s Bublr Bikes provided over 100,000 rides in 2023 so far.

How Speed Governors Could Save Lives
Most personal vehicles can travel at speeds of over 100 miles per hour, far above any U.S. speed limit. Why?

Study: Office Conversions One-Third More Affordable Than New Housing
Where conditions are right for office-to-residential adaptive reuse, projects can be completed faster and at a significantly lower cost than new construction.

Commentary: Avoiding Ableism in 15-Minute Cities
One author calls on planners to challenge assumptions that exclude people with mobility challenges and other disabilities.

Mayors’ Meeting Focuses on Housing Crisis
As the number of unhoused Americans grows, mayors met to learn from each other and assess their needs for federal support.