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.

Washington State Bills Would Boost Housing in Rural Areas
Several proposed laws could make way for more housing development outside the state’s major city centers.

Dallas Bike Plan Calls for Accelerating Bike Infrastructure
City officials acknowledge Dallas lags behind in bicycle infrastructure, but a new plan could change that.

Las Vegas Uses ‘Mini-Roundabout’ for Traffic Calming
Roundabouts, commonly used in other countries, are starting to catch on in U.S. cities. They can improve traffic flow and bring efficiency benefits.

Why Right Turns on Red Are Bad for Traffic Safety
The practice creates dangerous conditions for pedestrians, cyclists, and anyone crossing in front of turning vehicles.

Commentary: A New ‘Grand Bargain’ for American Housing
For decades, many U,S, neighborhoods successfully resisted change at the expense of a few neighborhoods sacrificed to mass development. Is there a better way?