How To Track Plan Database The Union Pacific Geneva Subdivision layout in HO scale

The Union Pacific Geneva Subdivision layout in HO scale

By Mitch Horner | January 8, 2026

Go back to the early 2000s with this impressive triple deck HO scale layout

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Facts and features

Name: Union Pacific Geneva Subdivision
Scale: HO (1:87.1)
Size: 17 x 25 feet
Prototype: Union Pacific (ex-Chicago & North Western)
Locale: West Chicago Yard to Clinton, Iowa
Era: late summer 2000-2005
Style: multi-deck walk-in
Mainline run: approximately 210 feet (not including helix or staging)
Minimum radius: 24″
Minimum turnout: No. 6
Maximum grade: 2.5% (in helix)
Benchwork: wall-mounted
Height: 30″ (staging), 45″ (level 1), and 62″ (level 2)
Roadbed: cork over foam and plywood
Track: Atlas code 83 and 100 flextrack
Scenery: extruded-foam insulation board
Backdrop: combination of photos and painted ¼” tempered hardboard
Control: Digitrax wireless with TrainController Gold software

The track plan for the Union Pacific Geneva subdivision layout

 

The track plan for the staging level of the Union Pacific Geneva subdivision layout

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