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 Density Dividing Voters in Arlington County
The race for the county’s only board seat pits proponents of ‘missing middle housing and higher density against residents concerned about outsized growth.

Study: Bikeshare Boosts Riding in Philadelphia
Public health researchers outline the benefits of Philadelphia’s Indego bikeshare network, which has encouraged more residents to choose biking over other transit modes.

Database Analyzes Global Transit Project Costs
Researchers are cataloging the costs of transit projects around the world in an attempt to identify ways to bring costs down and spend transit funding more efficiently.

Citi Bike Kills $3 Price Cap on Halloween Night
The company unexpectedly updated its e-bike pricing to eliminate a $3 cap on rides outside of Manhattan.

Why Cities Will Outlast the Pandemic Slump
A new report suggests that despite recent challenges, the ‘value proposition’ of urban activity centers remains as strong as ever.