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.

Opinion: Reform D.C. Housing Now
The Washington Post’s editorial board calls for immediate and urgent action to reform the District’s housing policies as the region’s affordability crisis mounts.

Seattle’s SR 99 Tunnel Seeking State Bailout
The beleaguered project is not bringing in the expected toll revenue, leaving the Washington Transportation Commission on the hook for construction costs.

Black Wealth Builders Fund Supports Black Homeownership
A Bay Area loan fund provides Black homebuyers with zero-interest loans to meet their down payments. But is it ‘reparations?’

The Year in Public Lands
Public policy decisions that will impact land and water conservation in the American West.

Feds Launch Investigation Into Autonomous Vehicle Safety
With self-driving vehicles allowed on public streets in 20 states, federal regulators are beginning to scrutinize the industry for safety concerns.