Louisville, Kentucky river traffic between the upper Ohio River and the Gulf of Mexico, the settlement first grew as a portage site. It was the founding city of the Louisville and Nashville Railroad, which grew into a system across 13 states. Today, the city is known as the home of legendary boxer Muhammad Ali, the Kentucky Derby, Kentucky Fried Chicken (KFC), the University of Louisville and its Louisville Cardinals athletic teams, Louisville Slugger baseball bats, and three of Kentucky's six "Fortune" 500 companies. Its main airport is also the site of United Parcel Service's worldwide air hub. Since 2003, Louisville's borders have
Louisville Railway in area, extending northeast to Crestwood. 1904 - Louisville & Interurban Railroad opens its first interurban line, east to Jeffersontown. Louisville & Interurban Railroad was owned by Louisville Traction Co., a holding company which also owned Louisville Railway Co. 1904 - Line also opened northeast to Prospect, by electrifying a Louisville & Nashville steam railroad branch former Louisville Harrods Creek and Westport Railway. This would be the only interurban line in the Louisville area, with broad gauge on all other electric railways in area. 1905 - Louisville & Interurban Railroad opens interurban line southeast to Okolona. 1907 - Louisville &