In a DarkDJ YT review of the Bossman Bullied Light Pacifics? The run itself starts about 15 mins in. It's a double track route with a SR theme but looks too hilly to be South/South West England. TS2021 | Dark Tries ... | BMG SR Bulleid Rebuilt Light Pacifics - YouTube
Galen Junction as signal box shown in video. https://dark-dj-productions.fandom.com/wiki/Galen_Junction Galen moor is in Kent according to Dark DJ Productions, so I presume it is a fictitious route.
