 It voted for the national winner in every presidential election from 1980 to 2012, but Donald Trump's unpopularity in suburban counties of the largest metropolitan areas nationwide helped Chicago-born Hillary Clinton win it along with the rest of the "collar counties" aside from McHenry in 2016.Will County is served by 4 US Interstate Highways, 4 US Highways, and 12 Illinois Highways.Four different Metra commuter rail lines (Metra Electric Main Line, Southwest Service, Rock Island District and Heritage Corridor) connect the parts of the county with the Chicago Loop.