CP 280 and Auto 280 of the Syracuse Terminal Subdivision
At milepost 280.5 of CSX's Syracuse Terminal Subdivision (STS) is control point (CP) 280 and the automatic (auto) 280 block signals. CP 280 is a semi control point and only controls Track 4. Track 1 and Track 2 are governed by auto block signals. The block signals for CP 280 and Auto 280 sit along Saintsville Road, about half a mile west of the North Kirkville Road crossing (MP280.7) in Kirkville, New York. What is a control point? CPs are locations on a railroad where a railroad dispatcher's instructions are remotely sent to the CP to control train movements. The signaling system's logic implements the dispatcher's instructions in the field and determines what aspects the control point signals show. These instructions set a train's route and give instructions to the crew, such as the permissible speed. An automatic/intermediate block signal is different because they are only governed by track conditions within the automatic signal's block of track and the n...