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S7-Saint Lawrence Sub

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  • CSX St. Lawrence Subdivision operates on 161.0700 mhz
  • Controlled by the NB Dispatcher on 160.6500 mhz
  • Located between Syracuse,NY and Massena,NY (159.0 miles)
  • Single Track Subdivision
  • There are 6 Defect Detectors
  • From CP-291 to CP-W the subdivision is governed by Automatic Block Signals with the exception of CP-291 & CP-W which are governed by Control Point Signals
  • From CP-W to Massena,NY the subdivision is governed by Track Warrant Control
  • Coordinates are exact location


  • Begin of CSX St. Lawrence Sub/End of CSX Syracuse Terminal Sub
  • Control Point 291 - Milepost QM2.0
  • Liverpool,NY - Milepost QM4.5
  • Woodard (NY) Defect Detector - Milepost QM5.3 (KNNH920) (43.113062/-76.196664) Woodard Detector Recording / Woodard Detector ("not working") Recording
  • Control Point W - Milepost QM6.2 (Connection w/CSX Fulton Sub)
  • Control Point CLAY - Milepost QM12.2
  • Brewerton,NY - Milepost QM14.7 (Also Erie Canal Thru Truss Bridge)
  • Central Square,NY - Milepost QM17.1
  • Parish,NY - Milepost QM26.1
  • Control Point GRUB - Milepost QM26.3
  • Control Point BROOK - Milepost QM36.9
  • Pulaski Siding South End - Milepost QM38.0
  • Pulaski,NY - Milepost QM38.5 (6,000 Foot Siding)
  • Control Point STAN - Milepost QM39.4
  • Pulaski Siding North End - Milepost QM39.5
  • Richland,NY Defect Detector - Milepost QM40.6 (KNNH920) (43.563765/-76.073201) Richland Detector Recording
  • Control Point CONA - Milepost QM47.1
  • Pierrepont Manor (NY) - Milepost QM53.3
  • Adams,NY - Milepost QM59.3
  • Control Point BRILL - Milepost QM60.0
  • Adams Center,NY - Milepost QM62.9
  • Adams Center, NY Defect Detector - Milepost QM63.2 (KNNH920) (43.865304/-76.007014)
  • Control Point RICE - Milepost QM66.9
  • Control Point KANE - Milepost QM69.3 (South End of Massey Yard)
  • Control Point ROCK - Milepost QM70.3 (North End of Massey Yard)
  • Industrial Park Switch - Milepost QM71.5
  • Watertown,NY - Milepost QM72.0
  • Blue Seal Siding - Milepost QM72.2
  • Limerick Industrial Track - Milepost QM73.0
  • Freight House Siding - Milepost QM73.9
  • Control Point BRAD - Milepost QM74.0
  • Roots (NY) (Fort Drum Lead) - Milepost QM78.5
  • Evans Mills,NY Defect Detector - Milepost QM81.0 (KNNH920) (44.061197/-75.825440) Evans Mills Detector Recording
  • Control Point PHIL - Milepost QM87.9
  • Philadelphia Siding South End - Milepost QM88.0 (10,337 Foot Siding)
  • Philadelphia,NY - Milepost QM89.6 (Wye's to the CSX Carthage Branch)
  • Control Point RIVER - Milepost QM89.8
  • Philadelphia Siding North End - Milepost QM90.0
  • Antwerp,NY - Milepost QM95.5
  • Control Point VERN - Milepost QM105.0
  • Natural Dam Industrial Track - Milepost QM106.1
  • Balmat Industrial Track - Milepost QM106.7
  • G&O Junction - Milepost QM107.0
  • Gouverneur,NY - Milepost QM107.7 (3,100 Foot Siding)
  • Factory St. (Gouverneur,NY) Yard - Milepost QM108.4
  • Control Point RICH - Milepost QM108.7
  • Bigelow (NY) Defect Detector - Milepost QM115.6 (KNNH920) (44.422173/-75.367891) Bigelow Detector Recording
  • Dekalb Siding South Switch - Milepost QM122.3
  • Dekalb Junction,NY - Milepost QM123.0 (4,900 Foot Siding)
  • Control Point KALB - Milepost QM123.4 (Dekalb Siding North Switch)
  • Canton,NY - Milepost QM131.0
  • Agway Siding - Milepost QM132.6
  • Suburban Gas Siding - Milepost QM133.1
  • National Propane Siding - Milepost QM133.9
  • Control Point EBEN - Milepost QM136.9
  • Potsdam,NY - Milepost QM141.8 (650 Foot Runaround Track)
  • Potsdam,NY Defect Detector - Milepost QM142.35 (KNNH920)
  • Sissons Siding - Milepost QM144.1
  • Norwood,NY - Milepost QM147.9
  • Connection w/New York & Ogdensburg RR (NYOG) Ogdensburg Branch to the west & Norfolk Branch to the east - Milepost QM148.1
  • Norwood 5,000 Foot Siding - Milepost QM148.2
  • Control Point WOOD - Milepost QM149.1
  • Control Point BROUSE - Milepost QM158.6 (Begin Massena,NY Yard Limits)
  • Main St. (Massena,NY) - Milepost QM160.9
  • End of CSX St. Lawrence Sub/Begin of CSX Montreal Sub



  • CSX St. Lawrence Subdivision (Carthage Branch) operates on 161.0700 mhz
  • Controlled by the ND Dispatcher on 160.6500 mhz
  • Located between Philadelphia,NY and Carthage,NY (10.7 miles)
  • Single Track Subdivision
  • There are no Defect Detectors
  • Subdivision is governed by Track Warrant Control


  • Begin of CSX St. Lawrence Sub (Carthage Branch)/End of CSX St. Lawrence Sub
  • Control Point IRISH - Milepost QMC86.7
  • Philadelphia,NY - Milepost QMC86.3
  • Deferiet,NY - Milepost QMC78.4
  • Control Point REGIS - Milepost QMC76.0
  • Connection w/Mohawk Adirondack & Northern RR (MHWA) Newton Falls Mainline - Milepost QMC74.7
  • End of CSX St. Lawrence Sub (Carthage Branch)/Begin Mohawk Adirondack & Northern RR (MHWA) Lowville Industrial Track




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