Bachmann 44811 Straight Track w/Nickel Silver Rail & Gray Roadbed - E-Z Track(R) -- 5" 12.7cm pkg(6) REC_SES_42 and one of these solutions

and one of these solutions was to reload complete standard gauge cars on so-called roller carriers

Hook up is simple with the CabControl system

Woodland Scenics A2207

Woodland Scenics JP5651

Using a guide rail for the crane

Bachmann 44811 Straight Track w/Nickel Silver Rail & Gray Roadbed - E-Z Track(R) -- 5" 12.7cm pkg(6) REC_SES_42 and one of these solutionsWhether for your first train set or for more advanced layouts Bachmann N Scale E Z Track makes setting up easy. Each section combines track and roadbed into a single piece, with snap fit assembly and plug in wiring to provide instant railroad fun. A hidden locking feature holds sections securely together until you're ready to take them apart. Easy to set up on any surface, including floors and rugs, no special tools, nails or boards are needed. Low