Studies and Reports
Basics
Study: Boring Roads End Up With More Injuries For People Outside Cars
And beautiful roads report fewer.
August 21, 2025
Northern Disclosure: Canada’s Road Laws Could Help Save U.S. Lives
The U.S. would be safer if we implemented some of Canada's most common roadway laws — but the politics are complicated.
August 6, 2025
‘We’re Not Copenhagen’ Is No Excuse Not to Build a Great Biking And Walking City
A team of researchers identified eight under-the-radar cities leading the local active transportation revolution — and a menu of strategies that other communities can and should steal.
June 30, 2025
Is U.S. Transportation Policy Ready For The ‘Silver Tsunami’?
America's car-dependent communities and the legal system that creates them aren't prepared for the rising proportion of seniors who can't safely drive, a new book argues — and before the "silver tsunami" crashes down on us, we need to make reforms.
May 7, 2025
Study: Covid May Make Sick Drivers Worse Behind the Wheel
As evidence mounts that Covid affects our brains, one study suggests it could also affect our ability to drive safely.
April 16, 2025
How to Build a Better Sustainable Transportation Pilot
Pop-up projects and trial runs can build support for new street safety ideas and new alternatives to driving — or they can turn the public against a project before it even gets off the ground. A new study outlined how to avoid the most common pilot pitfalls.
April 15, 2025
Is ‘Walk Score’ Really Just a ‘White Score’?
A provocative new paper argues that one of America's most popular real estate tools is driving investment to predominantly white urban neighborhoods, without meaningfully expanding walkability for anyone else.
April 7, 2025
How Climate Change Is Hurting Transit Ridership
Transit isn't only a key solution to confronting climate change; it's also one of its victims.
March 12, 2025
How Highways Rend Our Social Fabric — and the Challenge of Mending It
Roads are supposed to connect us. So why do so many highways tear our social networks apart?
March 11, 2025
What Do We Really Know About Drivers Who Kill Pedestrians?
America knows exactly who the average pedestrian who dies in a car crash is. But what about the driver who kills him?
February 26, 2025
