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.

Free Fares for Buses? Don’t Forget the Trains
Fare-free programs that apply to buses and not trains create a fragmented transit system and encourage more people to use slower, less efficient modes.

Shifting the Focus for Transportation Planning in Fairfax County
Fairfax County wants to move away from a heavy reliance on level of service in favor of more pedestrian- and transit-oriented planning.

Boosters Hope Streetcar Could Breathe New Life into Downtown Seattle
Supporters of a stalled streetcar project say reviving the line would create more transit connections and boost economic development in the area.

Historic Conservation Agreement Reached on Last Day of COP15
The international framework pledges to protect 30 percent of land and water by 2030, but critics say it doesn’t go far enough to address the urgency of biodiversity loss and climate change.

Denver Evaluates Success of E-Bike Rebate
The program proved extremely popular with Denver residents, opening up biking as a transportation mode to more people.