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.
Study: One-Quarter of L.A. County Bus Stops Equipped With Shelters
Bus riders in Los Angeles frequently lack protection from sun and extreme heat, with bus stops in some of the county’s hottest areas having the worst amenities.
How Consultants Drive Up Transit Construction Costs
A new report suggests that an overreliance on external consultants by U.S. transit agencies and other government entities is hollowing out the public sector and raising the costs of transit projects.
How Single-Family Zoning Became Unaffordable for Families
Zoning regulations designed to boost the housing supply for families have contributed to a housing crisis that makes housing costs a major burden for many American families.
Livable Streets, Revisited
The updated version of Donald Appleyard’s 1982 book Livable Streets, written by Appleyard's son, dives even deeper into the ‘ecology of the street,’ proposing actionable solutions for the conflicts and problems facing urban environments today.
How Much Will That Infrastructure Really Cost?
A new tool developed in British Columbia calculates the cost of infrastructure over the entire life cycle of the project.