Service to Plano began on April 30 , 1972 . Service to Quincy proper began on April 24 , 1983 . The suburban stop at Aurora , was discontinued on April 28 , 1985 , in favor of Naperville . Passenger service was cut back to Quincy , Illinois on May 1 , 1994 , after a major flood in 1993 destroyed the original station at West Quincy . The '' Illinois Zephyr '' and the '' Carl Sandburg '' trainsets continue to cross the Mississippi River to layover at the BNSF West Quincy railyard in between runs
major flood in 1993
Great Flood of 1993
Illinois Zephyr and Carl Sandburg