I love the look of the FP45 and F45 diesels. TS2018 has a Burlington Northern F45 version, but I really want new liveries: ATSF FP45s in Warbonnet paint and including Super Chief or El Capitan passenger consist and/or freight cars and caboose ATSF F45 in both Cat Whisker blue/yellow or blue/yellow Warbonnet paint and including freight cars and caboose Milwaukee Road FP45 in both passenger and freight liveries and including freight and passenger cars plus a caboose Great Northern F45 in Big SkyBlue paint and including freight cars and caboose The ATSF units would go great on Cajon Pass (which I own).
The ATSF FP45 is already done. It's on Railworks America. If you own the Searchlight Simulations pack for the F45, there's also a pack on Railworks America that adds compatibility to the ATSF FP45.