<P> Three major interstate highways converge in Atlanta; I - 20 runs east to west across town, I - 75 runs from northwest to southeast, and I - 85 runs from northeast to southwest . I - 75 and I - 85 combine to form the Downtown Connector through the middle of the city, carrying more than 340,000 vehicles per day, making it one of the ten most congested segments of interstate highway in the United States . The intersection of I - 85 and I - 285 in Doraville is nicknamed Spaghetti Junction . Metro Atlanta is also approached by Interstates 575, 675, and 985; Georgia 400, 141, and 316; and US 78; all terminate near the Perimeter . </P> <P> Reliance on cars has resulted in heavy traffic and has helped make Atlanta one of the more polluted cities in the country . The Clean Air Campaign was created in 1996 to help reduce pollution in metro Atlanta . Since 2008, Metro Atlanta has ranked at or near the top of lists of longest average commute times and worst traffic in the country . </P> <P> Cycling is a growing mode of transportation in Atlanta, taking 1.1% of all commutes in 2009, up from 0.3% in 2000, and organizations like the Atlanta Bicycle Coalition continue to lobby for increased accessibility to bicyclists . However, heavy automobile traffic, Atlanta's famed hills, the lack of bike lanes on many streets, and difficulty in crossing major streets deter many residents from cycling frequently in Atlanta . The city's transportation plan calls for the construction of 226 miles of bike lanes by 2020 . The BeltLine which will include multi-use, paved trails, may help the city achieve this goal . </P> <P> Additional multi-use trails currently being developed throughout Atlanta include the PATH400 and the Peachtree Creek Greenway . </P>

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