How the Boston area’s most maddening intersections got that way
Boston Globe - 08/08/2017
We also don’t fund enough traffic signal engineers, says Peter Furth, professor of traffic engineering at Northeastern University. He says cities need one for every 50,000 people, meaning Boston should have 13 or 14, not 10. He says the small staff means the city has to spend on outside consultants to rethink intersections.