speed limit
Basics
STUDY: 20 Is Plenty — But Signs Alone Don’t Always Get Drivers to Slow Down
Drivers did not slow really down after Portland lowered the speed limit in residential neighborhoods, but a new study suggests that the reason is more about road design than driver behavior.
February 2, 2022
ANALYSIS: When Speed Cameras Are Racist
When are automated speed cameras an equitable tool for roadway safety — and when are they speed traps that disincentivize cities from making roadways safe because of the money that's coming in?
January 18, 2022
Vision Zero Cities Op-Ed: Cheap, Rapid, and in Our Control
How cities are making streets safe more quickly and easily than ever before.
October 15, 2021
Not So Fast: Why Slower Is Often Better
Conventional planning tends to overvalue speed and undervalue other goals, resulting in a less efficient and equitable transportation system than travelers prefer. Here's why we need to change it.
June 25, 2021
Lowering Speed Limits Will Help Stop COVID-19
Hospitals are about to be overwhelmed with virus patients. Let's not strain our health care system any more — we need to reduce speed limits now.
March 16, 2020
