Northern Lines Scenario Pack 1 Requirements:
Alan Thomson Sim (and their requirements):
- Class 185;
- BH Class 390 Reskin Pack (WCML-South Version).

Armstrong Powerhouse (and their dependencies):
- Weather EP V2;
- Class 31 EP;
- Class 37 Vol 2;
- Class 142 [discontinued];
- Class 150/1 EP;
- Class 150/2;
- Class 156;
- Class 158 Cummins EP;
- Class 158 Perkins EP;
- Mk1 coaches Vol 1;
- Mk2 D-F coaches;
- Mk2 DBSO.

On Track Simulation (and their dependencies):
- Northern Lines V2.3.

Steam:
- Class 60;
- Doncaster Works;
- North Somerset Railway.

superalbs (and their dependencies):
- Class 57 - DRS Compass Blue.

Vulcan Productions (and their dependencies):
- Class 57/3 Arriva Trains Wales;
- Class 57/3 Virgin Trains Pack.