1 scenario for the Portsmouth Direct Line that sees you driving 444043+444016 on what should be a routine Down service to Portsmouth Harbour.

Requirements

Steam:
Portsmouth Direct Line Extended: London to Portsmouth
London to Brighton
Chatham Mainline
Network SouthEast Class 159
Thomson Interactive Class 455
Class 378 ”Capitalstar”
Class 700 Thameslink

Armstrong Powerhouse:
Class 444/450 Enhancement Pack
Class 455 Enhancement Pack Vol.2
Class 158/159 (Cummins) Enhancement Pack
Class 375/377 Enhancement Pack
Class 377/379/387 Enhancement Pack
Class 456 EMU Pack
Class 313 EMU Pack
Sky and Weather Enhancement Pack
Class 700/707/717 Enhancement Pack

Vulcan Productions(Ash992478)
Class 456 Destinations and SWR Branding
SWR Class 444/450 Destination Upgrade

Update log:
08/06/2022 – Updated scenario to use the Class 700/707/717 Enhancement Pack & fixed a few missing destinations for AI.