Was Margaret Thatcher not in power when the ECML electrification project was authorised, along with the GEML, the line to Kings Lynn, the West Midlands Cross City electrification and the West Yorkshire electrification?
You could also throw in St.Pancras-Bedford, Carstairs-Waverley, Ayrshire, Weymouth, Hastings.
Also Chiltern route modernisation and the class 90's.
On the DMU side classes 150,155.156,158. With EMU's classes 317, 318,319,320,321,442,455,456 and 508.
The Channel Tunnel agreement and authorising the rail link have been mentioned
These were all given authorisation by her government and funded. No doubt the foaming trots will ignore all this and concentrate on blaming her for authorising the Pacers.
When you look at the evidence her government probably did far more positive things for the railways than any other post war government.