Most Congested Roads, 2010 Below are the most congested roads in the United States, including the amount of fuel, time, and money spent in 2010. RoadLocationHours Wasted in TrafficFuel Wasted in Traffic (gallons)Total Cost of Congestion Harbor Freeway Los Angeles, Calif.1.44 million2.17 million95 million Van Wyck Expressway New York, N.Y.690,0001.086 million46.9 million I-35 Southbound Austin, Tex.546,0001.698 million77.8 million I-10 Eastbound Houston, Tex.475,000951,00043.2 million Southeast Expressway/1-93 Northbound Boston, Mass.470,0002.44 million105 million 1-495 Outer Loop Washington, D.C.465,0001.36 million61 million 1-5 SouthBound Seattle, Wash.441,0001.93 million84.8 million Penn Lincoln Parkway Pittsburgh, Pa.443,000728,00033.3 million Dolphin Expressway Miami, Fla.431,0001.1 million45.3 million Stevenson Expressway Chicago, Ill.414,0001.24 million55 million Source:Texas Transportation Institute, INRIX, The Weather Channel