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.

California Set to Decriminalize Jaywalking
Pedestrian and civil rights advocates have long argued that jaywalking laws are overly punitive and unequally enforced.

Pedestrian Malls in the 21st Century
The successes and failures of past pedestrian malls can inform the future of pandemic-induced "open streets" programs.

The Emergence of Supply-Side Progressivism
The American Left, according to Ezra Klein, is starting to acknowledge the role of supply-side thinking in public policy.

Why Texas's $29 Billion Coastal Protection Plan Is Needed
The Houston Chronicle editorial board argues for the construction of the so-called 'Ike Dike,' but warns that more investment is needed to protect the South Texas coast from future storms.

Open Letter to D.C. Mayor Calls for End to Traffic Violence
After a driver fatally struck a toddler, D.C.-area pedestrian and cycling advocates ask the District to take stronger action to prevent traffic fatalities.