South West Trains
Class 68 (Fictional)
Requires: ScotRail Class 68 Loco Add-on from Steam: https://store.steampowered.com/app/376930/Train_Simulator_ScotRail_Class_68_Loco_Addon/
Class 170 (Fictional)
Requires: BR Class 170 ‘Turbostar’ DMU Add-on from Steam: https://store.steampowered.com/app/208364/Train_Simulator_BR_Class_170_Turbostar_ DMU_AddOn/
AND Class 168/170/171 Enhancement Pack from Armstrong Powerhouse: https://www.armstrongpowerhouse.com/class_168-170-171_enhancement_pack
NEW! Class 175 (Fictional)
Requires: North Wales Coast Line: Crewe to Holyhead Route Add-on (2022 Release) from Steam: https://store.steampowered.com/app/1804511/Train_Simulator_North_Wales_Coast_Line_Crewe__Holyhead_Route_AddOn/
Class 442 (Fictional)
Requires: Gatwick Express Class 442 'Wessex' EMU Add-on from Steam: https://store.steampowered.com/app/277773/Train_Simulator_Gatwick_Express_Class_442_Wessex_EMU_AddOn/