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.

Maryland Toll Lane Plan Gains Federal Approval
In a victory for Governor Larry Hogan, who has championed the project, the Federal Highway Administration is allowing the Beltway expansion project to move ahead.

The Declining Appeal of Lawns
Long held as a symbol of middle-class success and the American Dream, homogenous, monocultural lawns are quickly falling out of favor as people opt for more ecologically friendly gardens that conserve water and increase biodiversity.

Shared Mobility Ridership on the Rebound
Ridership on shared bike and scooter fleets showed numbers higher than before the pandemic in the second part of 2021, according to a new report.

Ohio Counties Can Now Ban Renewable Energy Projects
A new state law allows counties to deny wind and solar projects in their jurisdictions, and at least ten counties have already moved to implement bans.

The Unequal Impacts of Traffic Crashes
Rates of traffic deaths vary widely among racial and economic groups but continue to rise across the board.