Planning for Operations
Since I started building the layout I have been expecting to use either the MBS (Manual Block System) or OCS (Occupancy Control System) method to control train movements. My initial era (mid 1990’s) put it squarely into the OCS era. I knew that CN used Time Table and Train Orders (TT&TO) until the early 1980’s but this was a bit of esoteric information for me when construction commenced. Since then I have backdated to the 1980’s for my era, but I continued to expect to use OCS. An email conversation with a friend caused me to stumble into something I hadn’t been thinking about: also changing my train dispatching system. Part of the email conversation caused me to refer to the CN Lines website ( http://cnrha.ca ) to check something. While there I happened across the CN employee timetables: ( http://www.cnrha.ca/node/976/ ) that have been scanned by the good folks at CN Lines. I thought it would be interesting to see what wa...