Mary is an editor and writer who is passionate about urban planning and the direct impact it has on people's lives and how we experience the world around us. Prior to joining Planetizen as editorial manager in December 2023, she spent eight years as an editor for Planning magazine, the flagship publication of the American Planning Association.

PDX International Airport’s New Terminal Is a Mass-Timber Marvel
Needing to expand to accommodate 35 million annual passengers by 2045 but constrained by Portland’s urban growth boundary, PDX had to think outside the box when planning its expansion. The result is a case study in sustainability.

Are We There Yet? AV Shuttles Not Ready for Transit Service, Report Says
According to an assessment of two North Carolina pilot projects, low-speed autonomous shuttles have too many limitations to deploy as a public transit option.

Designing a "Runnable" City
Planners often focus on walkability and bicycle-friendly cities, which is great to promote active transport. But how do we design a "runnable" city as well?

Los Angeles Reaches $38.2 Million Settlement over Allegations of Defrauding HUD
The City of Los Angeles has settled in a case filed by a whistleblower alleging that it falsely certified homes in its HUD-funded affordable multifamily housing program as accessible by people with disabilities.

Study: Half of Uber, Lyft Rides Replace More Sustainable Options
A new study out of UC Davis details how ride-hailing services like Uber and Lyft impact more sustainable modes of transportation like transit, cycling, and walking from the perspective of user behavior.