Jones Island, Milwaukee contains a couple of mature trees. Jones Island, Milwaukee Jones Island is an industrialized peninsula in Milwaukee, Wisconsin. It began as a marsh island between the Milwaukee and Kinnickinnic rivers, and now forms the city's inner harbor design. Extensive filling and channelization of the area began in the mid-19th century when city co-founder Byron Kilbourn advocated a "straight cut" from the Milwaukee River near the Menomonee River confluence out to Lake Michigan. This channel was made in 1857 and is still in use today. Prior to that, the natural outlet for all three rivers was at the southern end of
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