Americans wasted a total of $121 billion — or an average of $818 per person — sitting in traffic in 2011, according to a new report from the Transportation Institute at Texas A&M.

Drivers in urban areas were delayed an average of 38 hours a year by traffic congestion. Washington D.C. ranked as the most congested city, where commuters wasted 67 hours a year in traffic. Los Angeles and San Francisco were tied for number two at 61 hours. Drivers in the greater New York City area came in third, wasting 59 hours a year on the road. Boston, Houston, Atlanta, Chicago, Philadelphia and Seattle rounded out the top ten.

America’s Top 15 worst cities for Traffic by hours wasted (Texas A&M):