Talk:Advanced Train Control System

External links modified
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I have just modified 3 one external links on Advanced Train Control System. Please take a moment to review my edit. If you have any questions, or need the bot to ignore the links, or the page altogether, please visit this simple FaQ for additional information. I made the following changes:
 * Added archive https://web.archive.org/web/20100613041602/http://arema.org/publications/pgre/Practical_Guide/PGGlossary.pdf to http://www.arema.org/publications/pgre/Practical_Guide/PGGlossary.pdf
 * Added archive https://web.archive.org/web/20090327183011/http://www.aarpublications.com:80/Publications/Manual%20of%20Standards%20and%20Recommended%20Practices/Section%20K.aspx to https://www.aarpublications.com/Publications/Manual%20of%20Standards%20and%20Recommended%20Practices/Section%20K.aspx
 * Added archive https://web.archive.org/web/20050901034451/http://www.atcsmon.com:80/100_4_0.htm to http://www.atcsmon.com/100_4_0.htm

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Cheers.— InternetArchiveBot  (Report bug) 20:38, 4 October 2016 (UTC)