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Interstate 270 Travel Guide


Interstate 270 (abbreviated I-270) is a 34.70-mile (55.84 km) auxiliary Interstate Highway in the U.S. state of Maryland that travels between Interstate 495 (the Capital Beltway) just north of Bethesda, Montgomery County and Interstate 70 in the city of Frederick in Frederick County. It consists of the 32.60-mile (52.46 km) mainline as well as a 2.10-mile (3.38 km) ... more.


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