It looks like trains could switch to HS2 tracks just south of York - which is about half way between London and Edinburgh: https://www.bbc.co.uk/news/uk-scotla

It looks like trains could switch to HS2 tracks just south of York - which is about half way between London and Edinburgh: https://www.bbc.co.uk/news/uk-scotland-scotland-business-47412170 https://www.bbc.co.uk/news/uk-scotland-scotland-business-474... What effect a detour via Birmingham on HS2 has on times to/from Scotland is another question!