Check city rankings in the 2003 Urban Mobility Study, released by the Texas Transportation Institute, which evaluates traffic congestion in 75 major U.S. cities each year. Click on the map's numbers for more information on each urban area. Congestion is ranked from 1 to 75, with 1 being the most congested and 75 being the least congested area in the study.
link to the top 75 here:
http://edition.cnn.com/2003/US/09/30....ap/index.html
click on the link: RELATED
? Interactive: See how your city ranks