Fort Smith Junction

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The Fort Smith Junction (occasionally the Dallas Junction) is a freeway junction complex near downtown Oklahoma City, Oklahoma. The junction serves Interstate 35, Interstate 40, and Interstate 235 (and routes that they carry, including U.S. Route 62, U.S. Route 77, and U.S. Route 270). It consists of two separate interchanges, the western half (I-35/I-40/I-235), where I-35 north and I-40 east merge, and the eastern half, where they split.

The junction was reconstructed through the 1990s and was finished in July 2002. It is named after Fort Smith, Arkansas, I-40's eastbound control city. (Similarly, Dallas, Texas is I-35's southbound control city.)