Ginger Chan, traffic anchor, KTLA Morning News in Southern California
Tom Vanderbilt, author, Traffic: Why We Drive the Way We Do (and What It Says About Us)
Los Angeles, Calif. is the first major city to computerize all of its traffic signals. According to the city, the average speed has gone from 15 miles per hour to 17.3. This is just one example of the innovative ways cities try to address congestion issues.