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.
National Zoning Atlas Expands
The online tool can help city and state officials understand where zoning codes need reform and how they compare to other localities.
Which Cities Have the Highest Pedestrian Fatalities?
Rapid population growth and limited pedestrian infrastructure puts people walking at higher risk.
Kansas City Adding Speed Bumps for Traffic Safety
The city is adding the traffic calming measures at 50 high-risk intersections.
Orlando Approves New Nightclub Rules
The city ended a temporary moratorium on new nightclubs, replacing it with a rule limiting them to roughly one per every city block.
The World’s 10 Fastest Trains
From Japan to Morocco to China, these passenger trains travel at speeds of up to 311 miles per hour.