Thanks! I don't believe the resignalling is required for the 398s to be introduced north of Queen St, but it will be needed to achieve the intended service frequency.Does Queen St resignalling need to be complete before the 398s can be rolled out on the TAM lines?
And as there's no 'like' button, just a thanks to Mike for all the pics! Always nice to see what's happening.
It certainly looks like it. I suspect that the white hoarding adjacent to the station building (left-hand edge of the first picture) will be removed to allow passenger access onto the new platform whilst the old one is fenced off.Great, thanks for the photos.
Looks like trains may use the new platform whilst the old one is completed.
(New post merged in) Here are some more pictures of Cardiff Bay and Butetown, taken from the station platform and out of the window of a 150.
Meanwhile... another consultation document has appeared, this time with regard to track and signalling changes that will happen during a blockade at Pontypridd in the first two weeks of October (these are Network Rail weeks "27 and 28" - NR count weeks from 1st April). The changes are:
- the redundant Engineers' siding at Pontypridd station will be removed, together with associated signalling.
- platform 2 at Pontypridd station (used by trains towards Cardiff) will be reconfigured for permissive working (this involves moving some signalling equipment). "Permissive working" means allowing a second train into the platform when it is already occupied. My suspicion is that this is being done to allow for trains to be joined at Pontypridd which may be operationally useful, such as to recover from disruption - i.e. for a train from Treherbert to be attached to the rear of a train from Merthyr, for example, and then continue into Cardiff as one service.
- Line speeds are to be increased slightly on the Treherbert line, on a section of track near to the junction at Pontypridd this will be increased from 25mph to 40mph (40mph for all trains towards Treherbert; 25 mph locos / 40mph multiple units towards Pontypridd). Presumably this will help trains clear the junction more quickly.
- Similarly, a section of the Up Main line through Trefforest Estate station (i.e. the line heading towards Pontypridd) will have linespeed raised from 55mph to 60mph. This is a distance of just over two miles, so the speed increase will shave about 10 seconds off the journey time for a non-stop train. As all trains are supposed to call at the station, realistically the speed increase will be a few seconds, but presumably every little helps.
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