1893 - incorporated as Englewood & Chicago Electric Railway Co., operating battery powered streetcars within city of Chicago.
1897 - line completed south to Blue Island.
1898 - sold to Chicago Electric Traction Co. Also that year, Chicago Electric Traction Co. acquired Harvey Transit Co.
1899 - line completed south to Harvey.
1901 - line converted to electric operation.
1904 - sold to Chicago and Southern Traction Co.
1907 - interurban line to Kankakee completed.
1911 - segment in suburbs sold to newly incorporated Chicago & Interurban Traction Co., and segment within city of Chicago sold to Chicago City Railway Co. Chicago & Interurban Traction Co. was controlled by Samuel Insull.
1922 - Chicago & Interurban Traction Co. no longer controlled by Insull.
1922 - competing bus routes exist between Blue Island and Harvey, and between Chicago Heights and Kankakee, operated by unknown companies.
1927 - Chicago & Interurban Traction Co. ceases operations in after losing passengers to competing Illinois Central Railroad, which had electrified the year before.