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.
USDOT Waters Down Self-Driving Car Regulations
The agency is reducing reporting requirements for autonomous vehicles and cars with self-driving features, prompting concern among safety advocates who say transparency is essential to the safe deployment of AV technology.
‘Minnesota Nice’ Isn’t so Nice When You Can’t Find a Place to Live
The Economic Development and Housing Challenge Program can help address the scourge of homelessness among Indigenous people.
NYC Open Streets Organizers Call for City Support
The number of open streets projects has dropped year after year as volunteer groups struggle to fund and staff them.
Crime Continues to Drop on Philly, San Francisco Transit Systems
SEPTA and BART both saw significant declines in violent crime in the first quarter of 2025.
Sacramento Plans ‘Quick-Build’ Road Safety Projects
The city wants to accelerate small-scale safety improvements that use low-cost equipment to make an impact at dangerous intersections.