This paper is a continuation of RP1209 and describes the cooperative work done by the Association of American Railroads Signal Section, Corning Glass Works, and the National Bureau of Standards, leading to the formulation of the AAR Signal Section specifications for signal colors and glasses. Manual of Standards and Recommended Practices. Section AS Administrative Standards Section A Part I Table of Contents. Section B Couplers and Freight Car Draft Components Section C Car Construction Fundamentals and Details Section C Part II Design, Fabrication, and Construction of Freight Cars, M-1001 1954 American Association of Railroads Inside Railroading First Edition Booklet. $5.00. Buy It Now. Association Of American Railroads 2015 Field Manual Of The Interchange Rules NEW. Brand New. $9.99. Association of American Railroads U.S. Supreme Court Transcri See more like this. The Association of American Railroads formed in 1934 to primarily to represent the freight railroad industry. Abstract: The collection of Association of American Railroads (AAR) records includes its published reports and 8 safety posters as well as 19 photographs illustrating the East Broad Top Railroad in Orbisonia, Pennsylvania. A subsidiary of the Association of American Railroads. 7001 Weston Parkway. by the Association of American Railroads Signal Manual, Part 203 (1984). Traffic control devices activated by the approach or presence of a train, such as Each railroad shall tabulate the number of AAR signal units for each eligible. Field Manual of the AAR Interchange Chapters issued before 1935 by the American Railway Association, Signal Section; 1935-60, by the Signal Section of the Association of American Railroads; 1961- by the Association's Communication and Signal Section. Physical Description: v. illus. 23 cm. Locate a Print Version: ¦ TxDOT complies with the practices found in the Association of American Railroads, Communication and Signal Division, Signal Manual of Recommended P