Petersville Railway ~ Computerized HO Scale DCC Layout.. [**Log in to see images..]. Construction started: June 2016 Layout Theme: Computer Control of Model Railway ->> modelling Intermodal & HST Trains. Control Software:- Freiwald's Railroad & Co.'s TrainController software. Refer Thread "Computer Automation" for more info.. Petersville Railway is Powered by Digitrax [Loconet].. Layout Diagram [Current May 2018]:- Petersville Railway ~ 1 Year in the Making ~ June 2016 - June 2017..