and the Beltway are infamous for gridlock . I 've spent three very nervous hours getting to Chicago 's O'Hare Airport from the city center -LRB- before missing my flight -RRB- . Traffic by definition is worst in major metropolitan areas -- if your farming community is gridlocked , you 'd better be grousing at your local council meetings -- but it is the increase in traffic that leads many to suggest it 's just going to get worse . Traffic levels are rising seemingly as fast as home foreclosures in Los Angeles and Miami . In these areas , it 's not only the rise in number of drivers , but the rising age of drivers . AAA points out that seniors are the fastest growing demographic in the U.S. . That suggests drivers should adjust their habits accordingly . AAA has launched its Lifelong Safe Mobility campaign to help seniors adjust to more crowded roads and perhaps more aggressive drivers . The facts and remedy When the AAA Foundation for Traffic Safety studied more than 10,000 incidents of road rage and violent aggressive driving committed in the 1990s , it found that at least 218 people were killed
-LRB- AOL Autos -RRB- -- Do you live in one of the nation 's worst cities for road rage ? If you live in a major metropolitan area on either coast , chances are you do . If you live in the Midwest or northwest , odds are that you do n't . Miami ranks as the worst city for most aggressive drivers for the second straight year in a nationwide study of driver habits followed by New York , Boston , Los Angeles and Washington . But if road rage is a `` cultural phenomenon '' as one of our experts suggests , how best do we go about combating driver frustration across the nation ? Traffic black spots The nation 's roads are peppered with traffic black spots , junctions where car snarls elicit road rage in even the most mild-mannered drivers . Southern California has the San Diego -LRB- I-405 -RRB- Freeway , and the nation 's busiest junction , where U.S. 101 meets it to the north of Los Angeles . Miami and the East Coast have I-95 , which snakes from the world 's busiest cruise port up to Maine . The District of Columbia