Interstate 205 may refer to either of two unconnected Interstate Highways in the United States, both of which are related to Interstate 5
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Interstate 205 (California)
Interstate 205 (I-205) is an east–west auxiliary Interstate Highway in the San Joaquin Valley in Northern California. It runs from I-5 west to I-580. Along with those highways, I-205 forms the north side of a triangle around the city of Tra ...
, a connector in the San Francisco Bay Area
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Interstate 205 (Oregon–Washington)
Interstate 205 (I-205) is an auxiliary Interstate Highway in the Portland metropolitan area of Oregon and Washington, United States. The north–south freeway serves as a bypass route of I-5 along the east side of Portland, Oregon, an ...
, a bypass of Portland, Oregon
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