Southwest Corridor or the Southwest Expressway can refer to:
Southwest Corridor (Boston), a cancelled highway near Boston, Massachusetts Metro Green Line Extension (Minnesota), also known as the Southwest LRT, a future light rail project in Minneapolis, Minnesota The Southwest Corridor Plan, a transit project in Portland, Oregon Southwest Corridor (St. Louis MetroLink), a proposed light rail line in St. Louis Stevenson Expressway, formerly the Southwest Expressway in Chicago and its southwest suburbs
See also Southwest (disambiguation) Southwest Freeway (disambiguation)