by philipmartin
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Railroad Forums
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philipmartin wrote:About PTC, it is possoble to get exclusions from PTC for apecific tracks. The LIRR has one for main tracks in Jamaica, where a collision occurre a few months ago, this according to an article in Railway Age by David Schanoes. http://www.railwayage.com/index.php/blo ... dents.html" onclick="window.open(this.href);return false;Terminal districts are a grey area, because at sub- 10 MPH the signal system can be overridden by human control. Kind of hard to operate a yard if every switcher's movement has to wait for a signal indication, so practicality rules inside yard/terminal limits with nearly every PTC system in use worldwide. And obviously when playing the odds slowest-speed collisions are far and away a least concern for injury prevention.