BO-Boston Sub

• CSX Boston Subdivision operates on 160.8000 mhz
• Controlled by the NB Dispatcher on 160.6800 mhz
• Located between Boston,MA and Springfield,MA (92.0 miles)
• Single Tracked from CP-48 to CP-92
• Double Tracked from CP-COVE to CP-48
• There are 7 Defect Detectors
• The whole subdivision is governed by Automatic Block Signals with the exception of the Control Points which are governed by Control Point Signals
• From CP-21 to CP-92 the Cab Signal System is utilized
• Coordinates are exact location
• MBTA control's the line from CP-45 to CP-3

• Begin of CSX Boston Sub/End of Amtrak Main Line
• Back Bay (Boston,MA) Passenger Station - Milepost QB1.2
• Yawkey (Boston,MA) Passenger Station - Milepost QB2.5
• Control Point 3 - Milepost QB3.1
• Control Point 4 High Car Defect Detector - Milepost QB4.8 (42.357682/-71.142645) ***This Detector does not transmit, a readout prints in the Yardmasters Office***
• Newtonville,MA Passenger Station - Milepost QB8.1
• West Newton,MA Passenger Station - Milepost QB9.1
• Auburndale,MA Passenger Station - Milepost QB10.2
• Junction w/Massachusetts Bay Transportation Authority (MBTA) - Milepost QB10.8
• Control Point 11 - Milepost QB11.4
• Wellesley Farms,MA Passenger Station - Milepost QB12.5
• Wellesley Hills,MA Passenger Station - Milepost QB13.5
• Wellesley Square,MA Passenger Station - Milepost QB14.7
• Natick,MA Passenger Station - Milepost QB17.7
• West Natick,MA Passenger Station - Milepost QB19.9
• Hi/Wide Signal - Milepost QB20.1
• Control Point 21 - Milepost QB21.3 (Junction w/CSX Framingham Sub)
• CP-21 High Car Defect Detector - Milepost QB21.3 (42.277677/-71.413488)
• Framingham,MA Passenger Station - Milepost QB21.4
• Control Point 22 - Milepost QB21.7 (Connection w/CSX Holliston Industrial Track)
• Framingham,MA Yard - Milepost QB22.5 (Yard operates on 161.0700 mhz)
• Control Point 23 - Milepost QB22.9
• Control Point 24 - Milepost QB24.6
• Ashland,MA Passenger Station - Milepost QB25.2
• Ashland Defect Detector - Milepost QB25.3 (WNYE302) (42.261621/-71.483644)
• Southborough,MA Passenger Station - Milepost QB27.4
• Control Point 28 - Milepost QB28.2
• East/East Westborough Auto Yard - Milepost QB29.4
• West/East Westborough Auto Yard - Milepost QB30.3
• Control Point 33 - Milepost QB33.3
• Westborough,MA Passenger Station - Milepost QB34.0
• Grafton,MA Passenger Station - Milepost QB36.4
• North Grafton,MA Defect Detector - Milepost QB37.4 (WNYE302) (42.243519/-71.699611)
• Control Point 39 - Milepost QB39.0
• Control Point 43 - Milepost QB43.3
• Control Point 44 - Milepost QB43.7
• 2,640 Foot Siding
• Worcester,MA Passenger Station - Milepost QB44.2
• Control Point 45 - Milepost QB44.3 (Junction w/Providence & Worcester RR (PW) Worcester Sub)
• Worcester Yard - Milepost QB44.3 (Yard operates on 161.0700 mhz)
• Control Point 48 - Milepost QB48.3
• Charlton,MA Defect Detector - Milepost QB55.4 (WNYE302) (42.176186/-71.941523)
• Control Point 57 - Milepost QB57.7
• Charlton Yard - Milepost QB58.0
• Control Point 60 - Milepost QB60.3 (33,692 Foot Siding)
• East Brookfield,MA Yard - Milepost QB63.9
• Control Point 64 - Milepost QB64.0
• Warren,MA Team Track - Milepost QB75.0
• West Warren (MA) Defect Detector - Milepost QB75.4 (WNYE302) (42.209199/-72.245995)
• Control Point 79 - Milepost QB79.4
• Palmer,MA Yard - Milepost QB82.7 (20,592 Foot Siding)
• West Springfield (MA) Yard - Milepost QB83.0 (Yard operates on 161.0700 mhz)
• Control Point 83 - Milepost QB83.6 (Crossing w/New England Central RR (NECR) Mainline)
• Wilbraham (MA) Defect Detector - Milepost QB91.5 (WNYE302) (42.149751/-72.478183)
• End of CSX Boston Sub/Begin of CSX Berkshire Sub

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