Main Page | See live article | Alphabetical index KCS could mean one of several things, which are: The Kansas City standard, a standard for encoding binary data on tape used by many early microcomputers. The American Association of Railroads reporting mark for the Kansas City Southern Railway. This is a disambiguation page. If you followed a link here, you might want to go back and fix that link. This article is from Wikipedia. All text is available under the terms of the GNU Free Documentation License.