Oregon Route 120 (OR 120) is a 2.71-mile-long (4.36 km) unsigned state highway in the U.S. state of Oregon. The highway is internally known by the Oregon Department of Transportation (ODOT) as Swift Highway No. 120. OR 120 runs from a Union Pacific railroad crossing near North Columbia Boulevard to an interchange with Interstate 5 (I-5) and OR 99E. The Swift Highway No. 120 was created in 1931 while the OR 120 designation was created in 2002.

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