Post by Deleted on Jul 21, 2015 22:22:30 GMT
I was at Woodford today and a train was being reversed back to Hainault off of platform 2, using wrong-road starter WOO 7273 and the trailing crossover to the east of the station.
The wrong-road starter was cleared in advance and a train soon arrived on the eastbound main. This train was held outside platform 3 at 3-aspect colour light signal WOO 7255. While the Hainault train was still heading over the crossover (I believe), the train on the eastbound main then moved up to WOO A7213, the block marker board just outside platform 3, and stopped there. By this point, the Hainault train was already well on its way and, very quickly, the train on the eastbound main proceeded into platform 3.
I don't understand this at all. Why so much caution, when there're BMBs WOO A7213 and WOO A7215 and the station starter WOO 7275 between WOO 7255 and the crossover? I'm not really sure why the ATP could not allow the train into the platform? Surely this represents less capacity than can be achieved with an old-fashioned draw up signal (not, I believe, that there was ever a draw up signal at Woodford E/B).
Does anybody have any more details about the ATP at this location and the logic behind it?
Ta
The wrong-road starter was cleared in advance and a train soon arrived on the eastbound main. This train was held outside platform 3 at 3-aspect colour light signal WOO 7255. While the Hainault train was still heading over the crossover (I believe), the train on the eastbound main then moved up to WOO A7213, the block marker board just outside platform 3, and stopped there. By this point, the Hainault train was already well on its way and, very quickly, the train on the eastbound main proceeded into platform 3.
I don't understand this at all. Why so much caution, when there're BMBs WOO A7213 and WOO A7215 and the station starter WOO 7275 between WOO 7255 and the crossover? I'm not really sure why the ATP could not allow the train into the platform? Surely this represents less capacity than can be achieved with an old-fashioned draw up signal (not, I believe, that there was ever a draw up signal at Woodford E/B).
Does anybody have any more details about the ATP at this location and the logic behind it?
Ta
