GA 400 Travel Info
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State Route 400 (Georgia 400, SR 400) is a highway in the U.S. state of Georgia, concurrent with U.S. Route 19 (US 19) from exit 4B until its terminus just south of Dahlonega. SR 400 goes from Atlanta, at Interstate 85 (I-85), to Buckhead, Sandy Springs, Roswell, Alpharetta, Cumming, Dawson County, and Dahlonega. Like the Interstate Highways, it is a l ... more
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