tag:blogger.com,1999:blog-1008568241665831715.post605819599431915293..comments2024-01-25T07:47:23.112-06:00Comments on Hi / Zeph / 400: Improper signal maintenance actions led to October 2012 Amtrak derailmentMike Hickshttp://www.blogger.com/profile/15257599090818492294noreply@blogger.comBlogger1125tag:blogger.com,1999:blog-1008568241665831715.post-44754864256758860402014-02-22T23:34:41.983-06:002014-02-22T23:34:41.983-06:00I have my doubts about PTC being online in 2015. I...I have my doubts about PTC being online in 2015. I have even more difficulty accepting the safety of a system layered over legacy equipment that's been cobbled together and spliced to function between four or five railroads that have themselves been cobbled together out of dozens of pre-merger systems that were run since time immemorial. PTC is supposed to prevent accidents, so why do I feel like this is a step in the wrong direction? Steve Walden, editorhttps://www.blogger.com/profile/03349868397291849869noreply@blogger.com