Traffic Flow

August 7, 2015, 6am PDT
If you opened Google to do a search on Wednesday, you'd see an image (the "doodle") of a traffic light and six Model-T era cars spelling out the company's name. It was honoring the 101-year anniversary of the birth of the electric traffic light.
Time
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.
CityLab
February 3, 2013, 7am PST
Cities such as Dallas, Denver, Sacramento and Tampa are reversing course on their one-way streets for a number of reasons; but improving traffic flow likely isn't one of them. Eric Jaffe looks at a recent study that upends conventional wisdom.
The Atlantic Cities
January 16, 2011, 5am PST
Randal O'Toole points to a thesis paper that proposes a new approach to traffic flow at major intersections.
The Antiplanner