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Northumberland Line reopening: progress updates

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NorthOxonian

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Is it? My brain doesn’t currently understand this logic - could you elaborate?

Mileage wise, thanks to the earlier posts - I’ll summarise what I believe to be correct:
  • NCL to ASL = 18 miles and 49 chains
  • ASL to SEJ = 9 miles and 61 chains
  • SEJ to NCL = 8 miles and 68 chains
Obviously it'd be totally unofficial but when I measured the distance using my phone's GPS I got pretty much exactly the same end to end distance (just a touch above 18 and a half miles) but my NCL - SEJ was the slightly longer segment than SEJ - ASL (distances roughly as you have them but the other way around)?
 
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xotGD

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Is it? My brain doesn’t currently understand this logic - could you elaborate?

Mileage wise, thanks to the earlier posts - I’ll summarise what I believe to be correct:
  • NCL to ASL = 18 miles and 49 chains
  • ASL to SEJ = 9 miles and 61 chains
  • SEJ to NCL = 8 miles and 68 chains
When the train reaches Ashington, the front of the train stops at the buffers. However, when it is a 4-car set the front of the train is 2 carriage lengths cl9ser to Ashington prior to departure from Newcastle, compared to a 2-car set.
 

transportphoto

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When the train reaches Ashington, the front of the train stops at the buffers. However, when it is a 4-car set the front of the train is 2 carriage lengths cl9ser to Ashington prior to departure from Newcastle, compared to a 2-car set.
Yeah, okay. I can see the logic.
 

androdas

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Not a good start, the facebook keyboard warrior opponents of the line will be out in force!

1734360562850.png

(Screenshot from realtime trains showing the 1350 Newcastle to Ashington train delayed by 30 mins and cancelled front Seaton Delaval due to an obstruction)


Quite a few delays stacking up, be interesting to see how Northern recover the service as margins are tight.
 
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Anvil1984

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The Lumo in front of it at Benton seems to be the first train delayed but alas unknown why. Hopefully shouldn’t take too long to get back to normal
 

takno

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The Lumo in front of it at Benton seems to be the first train delayed but alas unknown why. Hopefully shouldn’t take too long to get back to normal
There's more fairly significantly late trains in front of the Lumo. Looks like everything's picking up 20-30 minutes delay, and the Lumo was already 7 down at Newcastle
 

androdas

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The 1/2 hour frequency should make things a bit better as no one should be stranded at any station for long even if nothing is running on time.

I think the (perceived) problem will be when trains are sat at Red House Farm / Benton waiting for late running trains clearing the single sections. From looking at the diagram on Signalmaps it looks like the only place anything could be turned is Bedlington? and obviously that cant happen as there are no platfroms yet.
 

swt_passenger

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RT posted above says an obstruction on the line
That ‘part cancelled’ seems to have been withdrawn? If you follow the link below to the service 2T35, it and the next down service 2T37, show as reaching Ashington late, but they did run.
 

Tetchytyke

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That ‘part cancelled’ seems to have been withdrawn? If you follow the link below to the service 2T35, it and the next down service 2T37, show as reaching Ashington late, but they did run.
Looks like the next round trip- 2T41 and 2T42 has been cancelled to get everything back on track for the evening peak.

JourneyCheck says there was something that got caught on the OLE near Cramlington.
 

swt_passenger

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How much of the Ashington line is single track? Sorry if that's already been asked.
There’s a short passing loop (about 3/4 mile) just after the ECML single lead junction, then it’s single for about 2 miles, until about a mile after Northumberland Park. Then between Holywell Jn and Seghill Jn theres a reasonably long (1.5 mile) passing loop, then it‘s single again for just over 2 miles to Redhouse Farm Jn, which is about a mile south of Newsham. Then from there it’s double track to Ashington.

But summarising and rounding, for the branch off the ECML it is about 4 miles single and 10 miles double.
 
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geoffk

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There’s a short passing loop (about 3/4 mile) just after the ECML single lead junction, then it’s single for about 2 miles, until about a mile after Northumberland Park. Then between Holywell Jn and Seghill Jn theres a reasonably long (1.5 mile) passing loop, then it‘s single again for just over 2 miles to Redhouse Farm Jn, which is about a mile south of Newsham. Then from there it’s double track to Ashington.

But summarising and rounding, for the branch off the ECML it is about 4 miles single and 10 miles double.
Thanks.
 

zero

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There’s a short passing loop (about 3/4 mile) just after the ECML single lead junction, then it’s single for about 2 miles, until about a mile after Northumberland Park. Then between Holywell Jn and Seghill Jn theres a reasonably long (1.5 mile) passing loop, then it‘s single again for just over 2 miles to Redhouse Farm Jn, which is about a mile south of Newsham. Then from there it’s double track to Ashington.

Sorry if this has been asked and answered earlier but is there a reason the track between Seghill and Redhouse Farm hasn't been doubled?
 

edwin_m

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Sorry if this has been asked and answered earlier but is there a reason the track between Seghill and Redhouse Farm hasn't been doubled?
They will have worked out what needed doubling to deliver the timetable with what they considered to be enough flexibility to recover delays, considering also whether there are certain sections that would be more costly/difficult to double.
 

androdas

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The section between Benton East and Holywell Junctions shares the alignment but not tracks with the Metro so there is no room to double and between Seghill and Red House Farm Junctions there are a series of tight bends following old waggonways, a couple of AHB crossings and Seaton Delaval station which would have needed a second platform so it was probably as edwin_m has said above a case of cost outweighing benefit.
 

swt_passenger

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There were changes to the loop positions between the 2019 and 2020 consultations. The original 2019 proposal had a four phase approach to the track work, with the last phase being a passing loop at Seaton Delaval station, this would have been somewhat shorter, at only 0.5 miles (0.8 km) , and designed primarily for looping freights, the station would have remained a single platform on the up side. They noted then that if late running of the service required passenger trains to cross there, then the down train would have to skip the call.

So by the 2020 consultation, for some reason they didn’t explicitly mention, the phased approach was dropped, and the loop was resited south, ie to what we are now calling Seghill loop, and is now significantly longer, at 1.5 miles, and no longer a potential problem for station calls.

Noting the points made by @androdas about the series of tight bends, I noticed from a cab ride video taken a couple of months ago that just north of Seaton Delaval, at the first road bridge, the track seems to take the easiest curve through the opening, and there may not have been room there for two tracks without a much tighter curve, so maybe an additional bridge rebuild might have been needed there to get a decent line speed. I’m not sure if this video has been linked in this thread before. Time stamp is 10m 43s for the start of the Seaton Delaval to Redhouse Farm ‘curvy bit’… :D


 
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Tetchytyke

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The bit north of Seaton Delaval was always very twisty, keeping it single track will have helped with the curves. Will also have prevented them having to rebuild the AHBs at Seghill and New Hartley.

The pictures of New Hartley station on the Disused Railways website give you an idea as to how tight the curve was there.
 

ainsworth74

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The pictures of New Hartley station on the Disused Railways website give you an idea as to how tight the curve was there.

It's a heck of a curve! I'm not sure I can think of many almost exactly 90 degree curves and certainly not many at that tight of a curvature.
 

duffield

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The line towards Ipswich out of Cambridge has a really tight curve that's more than 90 degrees
If it wasn't veering far off-topic, I'd mention the sharp, 110 degree curve at Firsby on the Skegness branch. :)

Instead, I'll mention that this has been discussed here before. I think there are some other similar threads.
 
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edwin_m

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If it wasn't veering far off-topic, I'd mention the sharp, 110 degree curve at Firsby on the Skegness branch. :)

Instead, I'll mention that this has been discussed here before. I think there are some other similar threads.
The loop track at Ely North has a curve of slightly more than 180 degrees. Is that enough to turn us round and head back on topic?
 
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