1928 freelance
Thorny Point, Virginia at Aquia Creek on the Potomac River to Broadway and Stanley, Virginia via White Hall, Virginia

16x18 two level point-to-point
Lower level is 42" to 46" high and 16" to 24" deep open frame "L" girder
Upper level is a 60" high 12" to 16" deep shelf on dual channel shelf brackets
Roadbed is cork on ½" homasote on ½" plywood

139 feet of mainline
86 switches (#5s in the yards, #6s and curved #7s on the main)
Minimum mainline radius 24"
Maximum mainline grade 2.5%
Atlas code 83 flex track
Micro Engineering code 83 bridge track
Walthers code 83 switches
Tortise machines on the mainline between White Hall and Swift Run
Caboose Industries manual ground throws everywhere else
CMR turntables

Gypsolite over plaster casting wrap over cardboard strips or foam sheet.
Ballast - interchanges - Smith & Son #40 Penn-Ohio
Ballast - mainline - Scenic Express #30 light grey limestone

Digitrax DCC using a DB150 command station with two UR91s providing radio and infra red access
Eight power districts controlled by Tony's Train Exchange's PS units (PSTwo units and PSFour units both no longer available) and DCC Specialties Power Shield X Circuit Breakers
Four turntables controlled by Tony's Train Exchange's PSRev units (no longer available)
Soundtraxx and Digitrax mobile decoders

Tomar lower quadrant semaphores between White Hall and Swift Run and two position color lights in Brooke at the RF&P interchange
Oregon Rail Supply two light dwarfs on mainline switches between White Hall and Swift Run with an IHC signal bridge at Hood
Semaphores between White Hall and Hood are manually controlled to simulate a manual block system
Semaphores guarding the helix and the RF&P interlock are controlled by a Digitrax SE8C board connected to a computer running JMRI software and a JYTHON scrip
Train detection is via DCC Specialties Block Watcher and IRDOTs using IRDOT-2DEWs which don't appear to be available any longer.

Layout staging and car moves are initiated and controlled by a Traffic Generator written by me and published in the OPSIG article Demand Driven Operations
Crew selection is done with a Seniority and Crew System written by me and published in the OPSIG article Seniority on the Easton and Potomac