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.

‘Modular Roundabouts’ Offer Quick-Build Traffic Safety Solution
The prefabricated roundabouts can be installed more quickly and at a much lower cost than traditional concrete traffic circles.

San Francisco Could Redefine RVs to Restrict Living in Vehicles
The SFMTA is considering expanding the definition of RVs to include mobile homes, box trucks, and other campers.

Housing Top of Mind for Nevada Voters
The Silver State is the nation’s most unaffordable housing market for extremely low-income households.

California Governor Vetoes Autonomous Truck Ban, Approves New Guidelines for AVs
A new law will allow police to issue citations to self-driving car operators and create stricter guidelines for crashes and interactions with first responders.

Banning Right Turns on Red Just One Step Toward Vision Zero
Experts caution that blanket bans on right turns on red make only a slight contribution to reducing fatal crashes, and other interventions are needed to bring down traffic fatalities.