Milwaukee River past Grafton to downtown Milwaukee, where it empties into Lake Michigan. Cedar Creek, the Menomonee River and the Kinnickinnic River are the three main tributaries. The Milwaukee River watershed drains in southeastern Wisconsin, including parts of Dodge, Fond du Lac, Milwaukee, Ozaukee, Sheboygan, Washington and Waukesha counties. The Milwaukee River watershed is part of the Lake Michigan subbasin; this subbasin is itself a part of the St. Lawrence River Watershed, which is fed by the Great Lakes. The Milwaukee River area was populated by Native Americans in the time before European settlement. Jacques Marquette and Louis Jolliet navigated from Lake
Milwaukee Avenue (Chicago) Tollway split off, continuing to Milwaukee. From Harlem Avenue northwards it is Illinois Route 21. Milwaukee Avenue is a popular route for bicyclists. The southeastern end of Milwaukee Avenue is the most heavily bicycled stretch of road in Chicago, with cyclists accounting for 22% of all traffic there on a randomly selected day in September. The street is lined with storefronts, restaurants and the occasional art gallery through most of the city. The CTA's Blue Line runs beneath or alongside Milwaukee Avenue from its beginning at Canal and Lake Streets out to Logan Boulevard, with stations at Grand Avenue, Chicago