1892 - Streetcar system electrified and converted to standard gauge.
1897 - Acquired by The Milwaukee Electric Railway & Light Co., reorganized as subsidiary Belle City Electric Co. The Milwaukee Electric Railway and Light Company was controlled by the North American Co.
1899 - Merged into The Milwaukee Electric Railway & Light Co.
1922 - First bus route introduced.
1938 - Company reorganized as Milwaukee Electric Railway & Transport Co.
1939 - Racine transit operation sold to Racine Motor Coach Lines, Inc.
1940 - Streetcars discontinued.
1947 - Racine Motor Coach Lines sold to Chicago North Shore & Milwaukee Railroad.
1962 - Racine Motor Coach Lines sold to Lakeshore Transit Racine, Inc.
1968 - Lakeshore Transit Racine discontinues operations, and Flash City Transit begins operating buses in Racine.
1975 - Flash City Transit acquired by city as Belle Urban System (B.U.S.), operated under contract by Taylor Enterprises, Inc., formed by owner of Flash City Transit.
1996 - Ryder/ATE begins operating B.U.S. under contract.
1999 - Ryder/ATE acquired by First Transit.
2004 - Professional Transit Management begins operating B.U.S. under contract.