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.

Housing Policy Conflicts With Local Control in Maine
The state's proposal to increase housing density is raising concerns among city officials worried about losing local control over development in their cities.

Seattle Weighs Protections for Mobile Home Parks
To protect a valuable source of affordable housing, Seattle's city council will consider creating a 'mobile home overlay district' that would preserve housing and regulate new development.

Opinion: 'Instant' Delivery Services Could Decimate Street Vitality
The race to deliver goods at lightning speed has the potential to create 'dark cities' as street-level storefronts give way to closed-off warehouses only frequented by delivery workers.

'Beg Buttons' Quietly Appearing at East Bay Crosswalks
Critics of pedestrian crosswalk buttons say the devices, meant to help improve bus speeds, give pedestrians the 'absolute lowest priority' on city streets.

Lessons From Five Years of E-Scooters
As cities continue to adapt micromobility regulations to address new devices and technologies, what can we learn from Chicago's five years of e-scooter pilots?