- Name: Missouri-Illinois Railroad, Ste Genevieve Subdivision
- Scale: O scale Proto48 (track gauge = 1.177 inches)
- Locale: Ozark foothills in eastern Missouri
- Modeling era: 1950’s to mid-1960’s — ie, steam & 1st generation diesel
- Layout size: 36 feet x 24 feet
- Design: Single deck, around-the-walls with peninsula
- Operations style: Point-to-point switching layout
- Mainline run: approximately 111 feet single track
- Track: Hand laid code 125 and code 100; flex track in peninsula yards
- Industry count: 7
- Minimum curve radius: 60 inches with easements
- Turnouts: Manual ground throws; #8 in yards and mainline; #6 in industries
- Benchwork type: Mianne unitized frame with ¾ inch Birch plywood sub-roadbed
- Roadbed: ¼ inch Homasote with HO scale ballast
- Track height: 52 inches
- Control system: NCE DCC with ProtoThrottles and NCE Intermediate Cabs
- Sound: SoundTraxx Tsunami decoders
- Scenery: 90% completed
- Coupling: Kadee (manual with wand)
- Adherence to operating rules: Loose
- Crew size: Typically 6 & clerk (optional)
- Listed Jobs: Incline, Yardmaster, Road switcher
- No fast clock
- Session duration: 2-3 hours
- Interchange Railroads: Missouri Pacific, Frisco & Bonne Terre sub of the M-I
- Freight management: Prototypical waybills and switchlists
- Signaling: Semaphores at interlock tower for grade crossing
- Communications: Verbal authority