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.
Why Right Turns on Red Are Bad for Traffic Safety
The practice creates dangerous conditions for pedestrians, cyclists, and anyone crossing in front of turning vehicles.
Commentary: A New ‘Grand Bargain’ for American Housing
For decades, many U,S, neighborhoods successfully resisted change at the expense of a few neighborhoods sacrificed to mass development. Is there a better way?
Is the Urban Form Sustainable?
One author offers a framework for resilience that rethinks common assumptions about the inevitability of cities as we know them.
Survey Shows Boomers Are Unlikely to Stop Driving
Limited transit options and a lack of walkability mean more older Americans will continue to drive their cars as they age.
Philadelphia to Add New Speed Cameras
Speeding violations on streets with automated traffic enforcement are down by 95 percent, according to city officials.