a token service to Holyhead, but this used to be just one a day IIRC
Pre-December 08 it used to be 5tpd between Holyhead and London with none starting and terminating at Chester and they were all booked to be 390s, which got transferred to run the additional Manchester-London via Wilmslow services. I've listed the current level of service below.
Services to Holyhead/Bangor from London:
08:10 Euston-Bangor
09:10 Euston-Holyhead
16:10 Euston-Bangor
17:10 Euston-Holyhead
18:10 Euston-Holyhead
19:10 Euston-Holyhead
Most of the above leave Euston as a pair of Voyagers, splitting at Chester with one portion continuing to Wales and the other portion forming the next Chester-London service.
Services to London from Holyhead/Bangor:
04:50 Holyhead-London
05:51 Holyhead-London
06:55 Holyhead-London
08:55 Holyhead-London
12:24 Bangor-London
13:58 Holyhead-London
20:20 Bangor-London
Virgin also run a 20:10 Holyhead-Chester service if you're wondering how they can have five services to Holyhead and only four from Holyhead.
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If I had the power to control all of this, firstly i'd give Virgin the WCML franchise until 2020 with a possible extension if they meet a set criteria (on time, customer satisfaction etc). Aslong as they agreed to pay out of their own pockets to make sure every 390 has 11 cars and ever super has 7 including the recently shortened one.
Then (this is all hypothetical, i've not taken account any other factors, and I have multiplied the amount of services by 3, so a service with 2 tph would have 2 leaving each station, and two in transit requiring 6 every hour)
The London to Birmingham New Street would be every 15 minutes providing 4tph, 2 of these would continue to Wolverhampton.
London to Manchester would also recieve 4tph.
London to Liverpool 3tph
London to Glasgow 2tbh with one extended to Edinburgh
Birmingham to Glasgow 1tph and would coincide with the arrival of the Edinburgh train to allow B'ham passengers to join the service.
London to Chester 2tph with oe extension to Holyhead every other hour. No trains would run to Wrexham. Both of these trains would be the newly lengthened Super Voyagers, and if possible one of these would be an extension to the Birmingham train providing the West Midlands with new destinations.
London to Blackpool would be a Super Voyager service with 1tph.
10 Super Voyagers can be transferred to XC and these will not be lengthened as Arrivia should lengthen their entire fleet out of their own pockets.
(If anyone knows a better way of working out how many trains are needed please tell me, thanks!)
One major problem with your plan is a lack of paths. Stockport-Manchester Piccadilly is at full capacity at peak times, while Acton Bridge-Winsford is double track and has to take all Liverpool/Preston/Scotland to Birmingham and London services so 3tph between Liverpool and London, as well as enhanced North West and Scotland services is really out of the question. I imagine there would be West Midlands pathing problems as well.
You're also proposing increases in capacity on some routes which are well above what is needed. Instead of the current 9 carriages per hour between Liverpool and London you're proposing 33, while 44 would be excessive for Manchester to London. If you asked people in Manchester and Liverpool where they'd most like 35 extra carriages to go very few people would say London services, most would say Liverpool-Norwich, North TPE, South TPE, Manchester-Scotland, Manchester-Blackpool and local stoppers.
