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.

NHTSA Finalizes Automatic Braking Rule to Advance Road Safety
New cars will be required to include automatic detection and braking technology for vehicles and pedestrians by 2029.

What’s in the Proposed Columbus Zoning Code Update?
A set of changes to land use and zoning regulations could help maintain housing affordability and promote mixed-use development in the city.

Two California Motels Transformed into Transitional Housing
Unlike most transitional housing, which is aimed at individuals, a project in the Southern California desert caters to families.

San Francisco Right to Counsel Program Prevents Hundreds of Evictions
A city program that gives at-risk tenants the right to a lawyer helped over 90 percent of participants avoid eviction.

Lead Pipes Make Up Nearly One Tenth of US Water Service Lines
A decade after the Flint crisis captured national attention, tens of thousands of US water transmission lines can still leach dangerous chemicals.