Railroads are an industry that operates non stop. 24 hours a day, seven days a week around the calander. Seen here spotting covered hopper cars on the bypass line that runs along the northside of Clearing Yard, is a Belt Railway of Chicago EMD Roadswitcher. Clearing Yard in southwest suburban Bedford Park Illinois, has always been a major Chicago rail hub. Clearing Yard is located on the Chicago city limits near Midway Airport.