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 Awards $6M to SoCal Pedestrian Safety Efforts
The grant will support pedestrian infrastructure in Los Angeles and the broader region ahead of events including the 2026 World Cup and 2028 Summer Olympics.

Greenways Plus Highways: A Deadly Combination
The design of intersections between major roadways and bike and pedestrian paths can have fatal consequences.

Preparing for Climate Migration
Billions of people will have to relocate in the next decades. Are governments prepared?

MBTA Red Line Now Free of ‘Slow Zones’
Recent work on the Boston-area rail line is making service on the aging system faster and more reliable.

SEPTA Awarded $153 Million to Stave Off Fare Hikes
Philadelphia’s struggling transit system will be able to delay a 30 percent fare raise, but the temporary fix won't do nearly enough to close its budget gap.