Slowdown on Track 1?

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Slowdown on Track 1?
Topic Started: Jul 27 2009, 07:20 AM (194 Views)
philabob1	Jul 27 2009, 07:20 AM Post #1
Advanced Transit Fan Posts: 463 Group: Members Member #640 Joined: June 15, 2007	I noticed the week before last that trains on Track 1 north of Temple are slowing down and in some cases coming to a complete stop. This is the same area that this happened a while ago and the reason was the signal indications were out. In passing there this AM it looked as if the top indication on the signal is out (I think it's 241, not sure). I thought it might have been a result of closely-spaced peak trains but I took the train through there yesterday and, with nothing in front of us for at least 5 minutes, we stopped.



philabob1	Aug 3 2009, 11:40 AM Post #2
Advanced Transit Fan Posts: 463 Group: Members Member #640 Joined: June 15, 2007	It's still there. I got a look at the signal this AM on the way in. The indication is out so that's probably the issue. I asked a conductor last week and she didn't know but suspected that the indication failure was the reason.



Van2006ko	Aug 3 2009, 04:46 PM Post #3
Foamer Posts: 2,528 Group: Admin Member #1 Joined: February 16, 2005	Could be that the LED signal there has burned out so the engineers are rolling though this signal at slower speeds.



silverliner_2	Aug 7 2009, 08:53 AM Post #4
Cab signal supporter. Railroad engineer. Girl chaser. Transit fan. Totally unpredictable! Posts: 321 Group: Members Member #36 Joined: June 2, 2005	If a signal is imperfectly displayed (part of the aspect burned out, or totally burned out), the rules basically state that the signal must be taken as the most restrictive aspect possible for that signal. Depending on what part was burned out, likely a "Stop and Proceed" was the most restrictive aspect. And the cab signals would likely react to the burned out aspect as well, downgrading to "Restricting" until a more favorable signal is passed. When proceeding after an instance like that, trains must run at Restricted Speed (which has a huge definition of its own, lol) Edited by silverliner_2, Aug 7 2009, 08:55 AM.



redarrow5591	Aug 7 2009, 10:36 AM Post #5
Light Rail and Railroad Historian Posts: 939 Group: Members Member #29 Joined: April 23, 2005	From the NORAC Operating Rulebook That bad signal falls under Rules 242 and 243: 242. Absent or Imperfectly Displayed Signals If a fixed signal is absent from the place where it is usually shown, movement must be governed by the most restrictive indication that can be given by that signal. This absence must be reported to the Dispatcher immediately. Imperfectly displayed signals must be reported to the Dispatcher or Operator as soon as practical, without delay to the train. Imperfectly displayed signals must be regarded as the most restrictive indication that can be given by that signal. The following exceptions apply to color light signals, position light signals, color position light signals, and semaphore signals: 1. Signal Indication Governs If only one indication is possible, this indication will govern. 2. Restricting Signal Indication Applies If more than one indication is possible, and it can be determined that all possible indications are more favorable than Stop and Proceed, trains may proceed as though a Restricting Signal were displayed. 243. Next Governing Signal Trains may operate according to the indication of the next fixed signal governing the movement when the following conditions have been met: 1. The next governing signal can be plainly seen, AND 2. The train is not required by rule or the previous signal indication to operate at Restricted Speed. If governed by a signal displaying Limited Clear, Medium Clear, Medium Approach Medium, Medium Approach, Slow Clear, or Slow Approach, speed must not be increased until the entire train is clear of all interlocking or spring switches.



philabob1	Aug 20 2009, 06:34 PM Post #6
Advanced Transit Fan Posts: 463 Group: Members Member #640 Joined: June 15, 2007	Noticed earlier this week (the first time in nearly two weeks that I've been on the train) that the problem is gone. It involves signal 261. A conductor advised that there have been electrical problems at that signal for a while.



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