The identity of the Louisiana & Arkansas gradually disappeared in the 1950s and 1960s, as the Kansas City Southern name was adopted for all properties.
 By 1966, all reference to the Louisiana & Arkansas had disappeared from the annual stockholder reports of Kansas City Southern.
 The Shreveporter, once the pride of the L&A, was discontinued on January 24, 1962, and the Southern Belle was discontinued on November 2, 1969, ending all passenger train service on the former Louisiana & Arkansas.
The identity of the Louisiana & Arkansas gradually disappeared in the 1950s and 1960s, as the Kansas City Southern name was adopted for all properties.  By 1966, all reference to the Louisiana & Arkansas had disappeared from the annual stockholder reports of Kansas City Southern.  The Shreveporter, once the pride of the L&A, was discontinued on January 24, 1962, and the Southern Belle was discontinued on November 2, 1969, ending all passenger train service on the former Louisiana & Arkansas.
Louisiana and Arkansas Railway