Inside Los Angeles’ Quest to Fix the Nation’s Most Congested City

Housed in an underground bunker four floors below a city hall annex, a darkened room is illuminated by the glow of computer and video monitors providing a constantly changing view of traffic flow through the most congested city in America. It’s the culmination of a project that began 30 years ago when city officials, preparing for the 1984 Olympics, were faced with the task of keeping traffic moving around the site of the games without widening any streets.