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.

Between a Rock and a Hard Place: Housing and Fire Safety in California
A proposed development near the site of the devastating Camp Fire highlights the growing tension between building badly needed housing and protecting communities from heightened wildfire risk.

Cincinnati Approves Complete Streets Policy
The city will now require its department of transportation to consider bike and pedestrian facilities when planning new projects or improvements.

Philadelphia Plans Bus System Overhaul
Regional transit agency SEPTA plans to streamline its service by replacing some suburban bus routes with on-demand transit.

The ‘Quiet Roundabout Revolution’ Sweeping U.S. Cities
Roundabouts, which can dramatically improve traffic safety, have been slowly proliferating across U.S. cities over the last two decades.

How Tactical Urbanism Succeeds Where Bureaucracy Fails
Making the case for do-it-yourself infrastructure.