 All operations ceased in 1971, with the entire Michigan operation abandoned in September 1984 and all rail since removed.In July 1981, the Cadillac & Lake City Railway began operations over a former portion of the Chicago, Rock Island and Pacific Railroad between Simla through Limon, Colorado, to Colby, Kansas, about .The CLK also had trackage rights via the Union Pacific Railroad from Limon to Denver, , but rarely exercised them.