April 4, 1909 The Kensington & Eastern Railroad, built and owned by the Illinois Central is leased to the Chicago, Lake Shore & South Bend (interurban) which today extends its service from Hammond IN through to Kensington IL and then into Chicago over the IC.
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April 4, 1910 An amendment to the U.S. Safety Appliance Act requires freight cars to be equipped with ladders, handholds and running boards.
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April 5, 1995 CN North America opens the new St. Clair Tunnel. Improvements made in the design of the new tunnel allow double-stack trains to cross under the St. Clair river for the first time.