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.

Tucson Development Boom Threatens Displacement of Longtime Residents
Median rent in Tucson rose by 30 percent since a year ago, prompting fears of displacement among many residents struggling to afford housing.

Opinion: Accessory Dwelling Units Will Benefit San Antonio
As the city considers loosening regulations on accessory dwelling units, one writer argues that the reforms would boost affordable housing and provide more options for changing household needs.

A New Life for the Suburban Office Park?
With more and more employers downsizing and moving to areas with more urban amenities, large suburban office parks offer an opportunity for increased density and mixed-use development.

Why Not Hold Traffic Safety to the Same Standards as Transit?
Many transportation modes, such as trains and airplanes, have robust, system-wide response mechanisms to investigate safety concerns when incidents occur. Why is traffic safety still seen largely as an individual responsibility?

California Budget Includes $4.2 Billion for High-Speed Rail
The recently approved state budget directs $4.2 billion in bond funding to the Bakersfield-to-Merced leg of California’s long-awaited high-speed rail project.