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Master Towers (and their satellites) as well as Interlocking (Local) Towers
The A Division (former IRT) The towers in the A Division are all considered to be Master Towers (except for those noted as satellites and those that only control a yard) 240 St Tower - located in the yard - controls from 242 St south
to the switches south of 103 St that govern the moves into and out of M
Track. Also controls both 240 Yard and 137 Yard. 239 St Yard - controls only the yard and yard leads. I am not sure if this will be taken over by Unionport, but I doubt it. Unionport Master Tower - located in Unionport Yard - currently controls the mainline switches south of 219 St and the mainline switches between 238 St and 241 St (formerly controlled by 239 St Mainline) and the switches in Unionport Yard (east of the mainline). It controls from south of Jackson Ave to White Plains and Dyre Ave. E.180 Tower - located between 3 Track and M Track just north of
the station - controls from south of Jackson Ave to south of Bronx Park
East, as well as the entire Dyre Ave line. Also controls the yard at
E.180 St (west of the mainline). It has been replaced by Unionport Tower
and is now demolished. 168 Street - located in a closed mezzanine above the north end of the platforms. It is usually closed. 205 St Tower - located in Mosholu Yard - controls the Jerome Ave line from Woodlawn to north of 167 St, as well as Mosholu Yard. Westchester Master Tower -located in Westchester Yard - controls the Pelham line from Pelham Bay Park to just south of 3rd Ave/138 St, as well as Westchester Yard. Mott Ave Tower - located on the mezzanine level between the upper (4) and lower (2/5) levels - controls from north of 149St/Grand Concourse on both levels to south of 138 St on the Lexington Ave line and south of the station on the White Plains line. Lenox Tower - located at south end of 148 St Station - Controls from south of 110 St/ Lenox Ave to Lenox Terminal, as well as Lenox Yard. Times Square Mainline - located on the mezzanine level at the south end of the station - Controls Broadway from north of 96 St to north of Chambers St. 96 St Satellite - located at north end of station, next to southbound fare control area - can control the 96 St interlocking. Grand Central - located between 3 Track and 4 track south of the station - controls from north of 125 St to south of Brooklyn Bridge, Brooklyn Bridge Loop and Yard, as well as 1 Track and 3 Track of the Shuttle. Nevins Tower - located between 2 and 3 Track - Controls from south of Rector St and south of both Wall Sts to north of Atlantic Ave.
Utica Tower - located on mezzanine outside fare control at south end of station - Controls from south of Eastern Parkway to Flatbush Ave and Utica Ave. Flatbush Ave usually controls the interlocking just north of the station. Livonia Tower - located in Livonia Yard - Controls from north of Junius St to New Lots Station and Livonia Yard. Times Square Queens - located at north end of Flushing Line platform - Controls from Times Square to north of Hunters Point Ave. Queensboro Master - located south of station - Controls IRT/BMT crossover (plus a lot of B div) 111 St - located south of 111 St - controls from Main St to south of 33rd St. Corona Yard - located in the yard - controls all of Corona Yard
and the yard leads B Division - (former BMT and IND) There are a handful of Master Towers in the B Division, but this is still the home of the single Interlocking Tower. Master Towers 207 St Master Tower - located in the yard - Controls from south of 168 St to 207 St Station; 207 Yard leads north of Dyckman St and 174 St Yard. 59 Master - located north of northbound platform at 59 St - controls from north of 145 St to south of 59 St. DeKalb Master Tower - located on mezzanine behind token booth - Controls Lawrence St interlocking on B'way local line; Gold St interlocking (between DeKalb and the Manhattan Bridge Portals; DeKalb Ave to north of Pacific St on Fourth Ave and to south of Prospect Park on the Brighton line, as well as all of the Franklin Shuttle. Also has control of the wheel detectors on both sides of the bridge. Joe Murphy Master Tower - located in 36 St/38 St Yard - Controls Fourth Av Line from north of 36 St to 95 St; West End line from 36 St to the connection to NYCHRR and 36 St/38 St Yard; Sea Beach interlocking at Sixth Ave. This tower will eventually control the West End line to just north of Bay Parkway. This tower is named after Joe Murphy who worked at this tower and was killed in the first Gulf War. It was formerly known as 38 Street Tower Stillwell Tower(Tower B) - located in Coney Island Yard - Controls Stillwell Yard and Coney Island Yard, but not Culver (City, Avenue X) Yard; Sea Beach line from Stillwell to north of Kings Highway; Brighton line from Stillwell to south of Kings Highway; Culver interlocking south of West 8th St (part of Stillwell Station - allows choice of pocket). When signal upgrade is complete, will also control West End from Stillwell to Bay Parkway (with a satellite at Bay Parkway). City Hall Tower - located at north end of station - Controls the Broadway BMT line from Lexington Ave/59 St to the Nassau St cut in the Montague tubes, as well as the mainline and relay switches south of Broad St. . Essex Tower- located at Essex St opposite side of J1 track from platform (next to old trolley terminal) - Controls Nassau St line from the Brooklyn side of the Williamsburg Bridge (wrong-rail blind trips and normal direction wheel detectors) to north of Broad St and the Sixth Ave line from north of B'way/Lafayette to south of Delancey St. East New York Master Tower - located in east New York Yard -
Controls the Jamaica line from Marcy Ave to Jamaica Center (lower
level); the Myrtle Ave line from Myrtle to Metropolitan Ave; the
Canarsie line from south of Broadway Junction to north of Livonia Ave;
East New York yard leads; the Linden Yard lead south of Livonia Ave and
the switch between the lead from the Livonia Ave el and the Canarsie
lead. Queensboro Master Tower- located south of the station on the structure - Currently controls the IRT/BMT crossover; the Astoria line from the 11 St cut to Ditmars Blvd; the 63rd St Connector from south of Lexington Ave/63 St to 36 St, including all entrances to D5 Track; and Crosstown line south of Court Square. When completed, this fully computerized Tower will control the above plus - the Crosstown line from south of Bedford/Nostrand to Queens Plaza; the Queens Blvd line from south of Ely Ave to north of Roosevelt Ave (possibly farther, I don't remember); the entire length of the Flushing line. In all actuality, the model board shows all of this trackage, but since the controls are all computerized, it's very hard to tell the extent of control. Liberty Junction - located on the structure between K1 and F4 Tracks - controls from Liberty Junction to both Lefferts Blvd and Broad Channel. Bedford Park Master Tower - controls the Concourse Line from 205 St to south of 161 St, putting six former interlocking towers out of business. Interlocking (Local) Towers Unless otherwise noted, these towers control only the interlocking closest to their location. Canarsie Line Crosstown Line West End Line Culver Line 6th Ave Line Concourse Line
* Bedford Park Master tower is now operational and these towers are closed. The new master tower is located in the station mezzanine Queens Boulevard Line
8th Ave Line Fulton St/ Rockaways Line Hammels Wye Satellite - located between F4 and F3A Tracks - can control all interlockings associated with the Wye.
Yards Notes Sometime in the future, we will see more Master Towers springing up. My guesses for some of them:
This page is subject to change as master towers become operational and/or local towers are eliminated and/or consolidated. Note that some of the interlocking towers are not always manned Updates and corrections are always welcome
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