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.

New York City Plans Street Safety Projects as Congestion Pricing Nears
With congestion pricing projected to reduce the number of cars entering Manhattan, NYCDOT plans to repurpose street space to build more pedestrian and bike infrastructure.

Redefining Housing Affordability
A new study highlights how many — or how few — Californians can afford to live in each of the state’s counties.

Waymo Expanding Robotaxi Service to More Bay Area Cities
The company was permitted to operate in 22 Bay Area cities without restrictions in March.

The BLM’s Conservation and Landscape Health Rule: An Explainer
Why is the agency’s effort to put conservation on an equal footing with other uses so controversial?

This Highway in Indiana Will Charge EVs
The project will test a technology that wirelessly charges vehicles driving or parked on the roadway.