The Chicago Lakefront Trail is a 18.5-mile-long partial shared-use path for walking, jogging, skateboarding, and cycling, located along the western shore of Lake Michigan in Chicago, Illinois. The trail passes through and connects Chicago's four major lakefront parks along with various beaches and recreational amenities. It also serves as a route for bicycle, skateboard and personal transporter commuters. On busy summer days 70,000 people use the trail.