Full Bio
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.

Houston Residents Respond to Mobility Questions
What could the city look like if budget and bureaucracy were no object?

Boston’s Fair Housing Policy Shows Promise
The city was the first to tie fair housing requirements to zoning reform.

Philadelphia’s Speed Cameras Are Working
Speeding violations plummeted after automated enforcement cameras were installed along Roosevelt Boulevard.

NYC Traffic Moving At Under 7 MPH, Congestion Pricing Remains Suspended
Congestion is making driving in the city slower than ever.

Portland Train Speed Limited by Extreme Heat
When temperatures hit 100 degrees, the city’s two train systems face challenges that force them to slow their speeds or stop operations altogether.