The standard code of train rules, block signal and interlocking rules to take effect December 2nd 1917
Subtitle: issued in accordance with rules adopted by the American Railway Association, November 17, 1915
Published: 1923
Place of publication: [Chicago?
Language: eng
Number of pages: 134
Notes: "Reissue, April 1, 1923 without change."

On cover: Form 2558.