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: Married People Struggle Least With Housing Costs
Both people who live alone and unmarried partners who live together spend more on housing than married couples.

Tesla Robotaxis Encounter New Challenges in China
The autonomous cars are being confounded by bus-only lanes and limits on data transfers.

National Monuments Under Threat From Mining Under New Executive Order
An executive order from the Department of the Interior could gut protections for public lands established under the Antiquities Act.

Single-Stair Reform Gains Strength
The movement to legalize single-stair multi-story buildings is gathering momentum, with the typology offering a more efficient, flexible, and healthy way to build housing.

Boston Bus Signal Priority Project Yields Faster Travel Times
The city now plans to expand a year-long pilot project that reduced the time buses waited at traffic signals.