These models are Southern Pacific Cascade/Lark repaints of the freeware G-TraX 4-Pack Lightweight Passenger Cars. The G-TraX pack is available in the Railworks America file library. They are appropriate for just about any SP route set in the 1950-60’s.
Run the RW_AssetSetup file to install the models. In the scenario editor, they are listed as: SP_Ltwt_Cascade_Baggage, SP_Ltwt_Cascade_RPO, SP_Ltwt_Cascade_Coach, SP_Ltwt_Cascade_Diner, SP_Ltwt_Cascade_Lounge, SP_Ltwt_Cascade_Sleeper01, and SP_Ltwt_Cascade_Sleeper02. The models are installed into: Assets\G-TraX\Trains\ RailVehicles\Passenger\SP_Cascade.
The Cascade was a overnight sleeper train from Oakland, California to Portland, Oregon with through cars to Seattle, WA. The Cascade was inaugurated in April, 1927, it started out as a heavyweight train and was converted to a lightweight train in 1950. In the steam era, the motive power was mostly GS class 4-8-4's.
This package is released as freeware. You can do whatever you wish with it EXCEPT make money with its use.
Harry R. Adkins
May 2026
