1890 - William B. McKinley acquires Urbana & Champaign Street Railroad Co., and introduces electric operation.
1892 - Champaign Rapid Transit Co., also owned by McKinley, introduces streetcar service on West Church St. Later that year, McKinley sells streetcar companies.
1894 - Urbana & Champaign Street Railroad Co. and Champaign Rapid Transit Co. reorganized into Urbana & Champaign Electric Street Railway Co.
1897 - Urbana & Champaign Electric Street Railway Co. reorganized as Urbana & Champaign Railway Gas & Electric Co.
1899 - McKinley reacquires streetcar system.
1901 - Illinois Motor Transit Co. introduces bus service, which is discontinued by the end of the year.
1903 - Danville, Urbana & Champaign Railway Co. completes interurban line between those cities.
1904 - Illinois Traction Co. incorporated, to acquire all street railways and interurban railways controlled by McKinley.
1907 - Bloomington, Decatur & Champaign Railroad Co. completes interurban line between those cities.
1913 - Kankakee & Urbana Traction Co. opens interurban line north of Urbana to Rantoul.
1916 - Kankakee & Urbana Traction Co. line completed north to Paxton.
1923 - Illinois Power & Light Co. formed as subsidiary of Illinois Traction Co., controlling the electric railways. North American Light & Power Co. acquires Illinois Traction Co. as a subsidiary.
1925 - Illinois Power & Light Co. introduces first bus route in area.
1926 - Kankakee & Urbana Traction Co. interurban line abandoned.
1934 - North American Co. acquires North American Light & Power Co. as a subsidiary.
1936 - Newly formed National City Lines acquires local transit system from Illinois Power & Light Co., and completes conversion from streetcars to buses. Operation becomes known as Champaign-Urbana City Lines.
1937 - Interurban railway system reorganized as Illinois Terminal Railroad Co.
1953 - Interurban railway service abandoned between Champaign and Danville.
1955 - Last remaining interurban railway service abandoned between Champaign and Decatur and Springfield.
1966 - Champaign-Urbana City Lines sold by National City Lines to Vernon Westover, a regional manager of National City Lines.
1971 - Champaign-Urbana City Lines becomes publicly owned Champaign-Urbana Mass Transit District.