May 7, 2015, 1pm PDT
Certain intersections stand to gain from losing their traffic lights. According to this study, cities can save money and improve safety by uninstalling signals in low-traffic zones.
April 26, 2011, 12pm PDT
When communities feel like street traffic is unsafe, they usually demand stop signs or traffic lights to be installed. But studies show that those devices may actually make streets less safe.
February 8, 2011, 2pm PST
The town of Cranston, Rhode Island came to the realization that hundreds of stop signs -- almost a third of the stop signs in town -- were not installed by the city. Are these the work of a rogue urban planner?
June 18, 2010, 11am PDT
Architect Arrol Gellner says that traffic engineers use traffic lights far too often when a simple stop sign works better and is much less expensive.
Daily Journal of Commerce