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.

‘Colorado Barrier’ Repurposes Old Tires for Road Safety
The recycled rubber barrier can protect pedestrians and people in cars on lower-speed streets.

Study: Walkability Can Help Reduce Dementia Risk
Walkable neighborhoods offer natural opportunities to stay active and engaged with friends and neighbors, increasing residents’ chances of remaining mentally and physically healthy longer.

SXSW Panel Addresses Housing Affordability for Artists
Musicians are increasingly hard-pressed to find affordable housing in Austin, a city known for its music scene.

Data Shows Chicago Speed Cameras Reduce Speeding, Crashes
Countering claims made by the Chicago Tribune that automated enforcement doesn’t improve safety, Streetsblog Chicago lays out the data showing how traffic safety fared in camera zones.

NYC Zoning Reform: Where Will It Have an Impact?
The zoning reform package dubbed ‘City of Yes’ will likely yield uneven results, with many of the lowest-density neighborhoods exempted from new regulations.