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 Threatens to Pull New York Highway Funding
The Trump administration wants the state to kill New York City’s congestion pricing program despite its demonstrated success.

LA’s Tree Emergency Goes Beyond Vandalism
After a vandal destroyed dozens of downtown LA trees, Mayor Karen Bass vowed to replace them. Days later, she slashed the city’s tree budget.

Sacramento Leads Nation With Bus-Mounted Bike Lane Enforcement Cameras
The city is the first to use its bus-mounted traffic enforcement system to cite drivers who park or drive in bike lanes.

Seattle Voters Approve Social Housing Referendum
Voters approved a corporate tax to fund the city’s housing authority despite an opposition campaign funded by Amazon and Microsoft.

The Five Most-Changed American Cities
A ranking of population change, home values, and jobs highlights the nation’s most dynamic and most stagnant regions.