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.

Creating a Meaningful Community Input Process in Baltimore
Seeking to avoid the mistakes of the past, the city undertook a robust community engagement process when planning the reconstruction of the Baltimore & Potomac Tunnel.

Study: More Affordable Ride-Hailing Can Fill Mobility Gaps for Low-Income Households
Many low- and moderate-income Americans use ride-hailing services to reach essential destinations, but few find the services affordable.

Bay Area Towns Weigh ‘Infantilizing’ Proposals to Avoid State Housing Mandates
In another desperate bid to avoid rezoning for affordable housing, some Bay Area towns are pushing housing for developmentally disabled adults as an alternative—but the proposals are likely illegal, disability rights advocates say.

Almost Half of Michigan Community Colleges Not Transit-Accessible
Access to transportation is a major hurdle for many community college students, but local transit systems often fail to serve them.

Report: Why U.S. Transit Projects Cost So Much
Researchers analyzed the sources of increased costs in transit projects around the world, providing recommendations for how to bring down costs and improve efficiency.