North American interlocking towers

NOTE:

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A key to symbols is available.

Canada 5

Ontario 3

Name	Location	Railroad(s)	Machine	Structure	Notes
Cherry Street	Toronto	TTR, CN, CP	E	T	junction of TTR and CN Kingston and Bala Subdivisions and CP Belleville Subdivision east of Union Station
John Street	Toronto	TTR, CN, CP	E	T	west throat of Toronto Union Station and junctions between CN Oakville and Weston Subdivisions and CP Galt Subdivision west of Union Station
Scott Street	Toronto	TTR	E	T	east throat of Toronto Union Station

Quebec 2

Name	Location	Railroad(s)	Machine	Structure	Notes
Val Royal	Montreal	CN	R	O	CN Deux Montagnes line; panel inside depot controls end of double track and former Cartierville stub
Wellington	Montreal	CN	R	T	south throat of Central Station/Gare Centrale

United States 233 (58 closed)

California 13 (3 closed)

L. A. Area 4

Name	Location	Railroad(s)	Structure	Notes
Hobart Avenue	Los Angeles	AT&SF, UP	T
Mission Tower	Los Angeles	Amtrak (Metrolink), SP, AT&SF	T
Redondo Jct.	Los Angeles	AT&SF and UP (ex-LA&SL)	T
Terminal Tower	Los Angeles	Amtrak (Metrolink), SP, AT&SF	T	throat of Los Angeles Union Passenger Terminal

Other 7

Name	Location	Railroad(s)	Structure
"I" Street Bridge	Sacramento	SP	B
Black Point	Black Point	California Northern (ex-NWP)	B
Brazos	Brazos	California Northern (ex-NWP)	B
Elvas	Sacramento	SP	T
Orwood	Orwood	AT&SF	B
Petaluma	Petaluma	California Northern (ex-NWP)	B
Suisun Bay Bridge	Martinez	SP	B

S. F. Bay Area 2 (3 closed)

Name	Location	Railroad(s)	Structure	Notes
16th Street	Oakland	SP	T
College Avenue	San Jose	SP	T	closed April 17, 1993
Fourth Street	San Francisco	SP	T	closed 1993
Santa Clara	San Jose	SP	T	closed July 16, 1993
Stockton	Stockton	SP, UP, AT&SF	T

Connecticut 5 (1 closed)

Name	Location	Railroad(s)	Structure	Notes
Conn	Old Saybrook	Amtrak	B	Connecticut River bridge -- cabin or tower?
Groton	Groton	Amtrak, CV, P&W	T	Thames River and Shaws Cove bridges and junctions closed December 2, 1994
Mystic River bridge	?	Amtrak	B	part-time -- cabin or tower?
Nan	?	Amtrak	B	Niantic River bridge; cabin or tower?
New Haven	New Haven	Metro North (New Haven West), Amtrak (New Haven East)	T	two interlockings sharing two-story building
Walk	South Norwalk	Metro North (Danbury Branch)	T

Delaware 0 (2 closed)

Name	Location	Railroad(s)	Machine	Structure	Notes
Bridge	Wilmington	CR (ex-PRR) New Castle Secondary		B	part-time, Christine River Bridge; closed in 1994.
Canal	?	CR (ex-PRR) Delmarva Secondary		B	bridge over Chesapeake & Delaware Canal, not interlocked; employee is bridgetender, signals control bridge.

District of Columbia 1 (1 closed)

Name	Location	Railroad(s)	Machine	Structure	Notes
K Tower	Washington	Amtrak		T	Washington Union Station; modernized in 1980s
QN	Washington	CSX (ex-B&O)		T	closed September 28, 1992; standing

Florida 1

Name	Location	Railroad(s)	Machine	Structure	Notes
Beaver Street	Jacksonville	CSX, NS, FEC		T

Illinois 53 (17 closed)

Chicago area 41 (5 closed)

Amtrak 4

Name	Location	Railroad(s)	Structure	Notes
21st Street	Chicago	Amtrak (ex-CUS), CR (ex-PRR), IC (ex-IC and ex-GM&O)	T	crossing and junction; formerly run by C&WI
Harrison Street	Chicago	Amtrak (ex-CUS)	T	Chicago Union Station south throat (surrounded by new post office)
Lake Street	Chicago	Amtrak (ex-CUS)	T	Chicago Union Station north throat
Lumber Street	Chicago	Amtrak	O	controls Roosevelt Road to South Branch Bridge (office; where?)

Burlington Northern 0 (1 closed)

Name	Location	Railroad(s)	Machine	Structure	Notes
Union Avenue	Chicago	BN (ex-CB&Q), Amtrak, IC, CSX (ex-B&OCT)	E	T	junctions at south end of Chicago Union Station trackage; closed October, 1992; razed 1995

CSX (ex-B&OCT) 2 (1 closed)

Name	Location	Railroad(s)	Structure	Notes
75th Street (Forest Hill)	Chicago	CSX (ex-B&OCT), BRC, NS/Metra Southwest (ex-Wabash)	T	(M, w/pipeline)
GM&O Tower ("C&A")	Argo	IHB, crossing of IC (Metra Heritage, ex-GM&O)	T	closed January 28, 1993
South Branch Bridge	Chicago	CSX (ex-B&OCT), IC (St. Charles Air Line)	B	south branch of Chicago River (bridge cabin)

CSX (ex-CRI&P) 1

Name	Location	Railroad(s)	Machine	Structure	Notes
Bridge 407	Joliet	CSX (ex-CRI&P)		B	bridge cabin

Chicago & North Western 7

Name	Location	Railroad(s)	Structure	Notes
Barrington	Barrington	C&NW	O	end of double/triple track, inside depot, part time -- to be remoted to Deval?
CY	Chicago	C&NW	T	junction of C&NW Kenosha and Harvard subdivisions (North and Northwest Lines) and crossing with Soo Kingsbury line, also controls CTC on C&NW between Clybourn and Winnetka
Clinton Street	Chicago	C&NW	T	passenger terminal junction -- to be closed in late 1995?
Deval	Des Plaines	C&NW, WC	T	C&NW Harvard Subdivision (Northwest Line)-C&NW freight cutoff crossings -- to be replaced in 1996 when Metra WC begins?
Kedzie	Chicago	C&NW	T	junction between Geneva Subdivision (West Line) and Rockwell Subdivision
Lake Street	Chicago	C&NW	T	passenger terminal throat
Mayfair	Chicago	C&NW, Metra (ex-CMStP&P)	T	Skokie line and Harvard Subdivision (Northwest Line) and Metra Milwaukee District North Line -- to close in 1995?

Conrail 3

Name	Location	Railroad(s)	Structure	Notes
Brighton Park	Chicago	CR (ex-PRR, ex-CR&I), CSX (ex-B&OCT), IC (Metra Heritage, ex-GM&O)	C	non-interlocked; cabin (M, w/pipeline)
Burnham	Calumet Park	CR (ex-PRR), CSS&SB, NS (ex-NKP)	C	trailer replaced tower that burned during 1970s -- to close during 1995?
Dolton	Dolton	UP (ex-C&WI, ex-C&EI, CSX (ex-B&OCT), IHB (M)	T

Elgin, Joliet & Eastern 3 (1 closed)

Name	Location	Railroad(s)	Structure	Notes
Barrington	Barrington	EJ&E, C&NW	T	C&NW Harvard Subdivision (Northwest Line) crossing -- staffed on demand
Bridge Jct.	Joliet	EJ&E	B	cabin
Jay Tower	Chicago Heights	UP (ex-C&EI)	T	closed September, 1993; standing
West Chicago	West Chicago	EJ&E, C&NW	T	C&NW Geneva Subdivision (West Line)

Grand Trunk Western 1

Name	Location	Railroad(s)	Machine	Structure	Notes
Blue Island	Blue Island	GTW, CSX (ex-B&OCT), IHB crossing		T

Illinois Central 3

Name	Location	Railroad(s)	Structure	Notes
Ash Street	Chicago	IC (former Iowa Division), AT&SF, CR (ex-PRR and ex-CR&I), CSX (ex-B&OCT)	T
Bridgeport	Chicago	IC (Metra Heritage, ex-GM&O), IC (ex-Iowa Division), AT&SF junction	B	bridge cabin, but bridge no longer operates
Corwith	Chicago	AT&SF crossing of IC (Metra Heritage, ex-GM&O)	T

Indiana Harbor Belt 0 (1 closed)

Name	Location	Railroad(s)	Machine	Structure	Notes
Argo Jct.	Argo	IHB		T	junction of IHB lines, closed February 17, 1993

Metra Electric (ex-IC) 3

Name	Location	Railroad(s)	Structure	Notes
67th Street	Chicago	Metra (ex-IC)	T	South Chicago branch junction
Kensington	Chicago	Metra (ex-IC)	T	junction with Blue Island branch and CSS&SB
Randolph Street	Chicago	Metra (ex-IC)	O	office on platform level of depot

Metra Milwaukee District (ex-CMStP&P) 5

Name	Location	Railroad(s)	Structure	Notes
A-2 (Western Avenue)	Chicago	Metra/Soo (ex-CMStP&P), C&NW Geneva Subdivision (West Line) crossing	T
A-5 (Pacific Jct.)	Chicago	Metra (ex-CMStP&P), Soo	T	crossing/junction between ex-CMStP&P north and west suburban lines and Soo (ex-CMStP&P) Kingsbury line
B-12	Franklin Park	Metra/Soo (ex-CMStP&P), WC crossing	T	staffed by Soo -- to be remoted or replaced by 1996? (M, w/pipeline)
B-17	Bensenville	Metra/Soo (ex-CMStP&P)	T	freight line junction; staffed by Soo
Rondout	Rondout	Metra/Soo (ex-CMStP&P). EJ&E	T	freight crossing/junction

Metra Rock Island District (ex-CRI&P) 7

Name	Location	Railroad(s)	Structure	Notes
16th Street	Chicago	Metra (ex-CRI&P)	T	IC (St. Charles Air Line) crossing
Blue Island	Blue Island	Metra (ex-CRI&P)	T	junction, tower also controls CTC
Englewood	Chicago	Metra (ex-CRI&P), CR (ex-PRR) crossing	T
Gresham	Chicago	Metra (ex-CRI&P), CRL	T	junction
Polk Street	Chicago	Metra (ex-CRI&P)	C	La Salle Station throat; located inside trailer
Root Street	Chicago	Metra (ex-CRI&P)	T
UD	Joliet	Metra (ex-CR&IP), AT&SF, SP (ex-GM&O)	T	next to Joliet Union Station

Metra Southwest District (ex-C&WI, NS) 1

Name	Location	Railroad(s)	Machine	Structure	Notes
47th Street	Chicago	Metra (ex-C&WI)		T	controlled from trailer adjacent to former tower

Norfolk Southern 1 (1 closed)

Name	Location	Railroad(s)	Machine	Structure	Notes
Chicago Ridge	Chicago Ridge	NS/Metra Southwest (ex-Wabash), IHB crossing		T	closed January 10, 1994 (M, w/pipeline)
Cummins Bridge	Chicago	NS (ex-NKP)		B	Calumet River bridge, also controls Pullman Jct. bridge cabin or tower?

Downstate Illinois 7 (12 closed)

Northern Illinois (outside Chicago area) 1 (2 closed)

Name	Location	Railroad(s)	Structure	Notes
East Cabin	East Dubuque	CC&P (ex-IC), BN (ex-CB&Q) junction and crossing	C	closed June 7, 1994; bridgetender remains but controls bridge only (M, w/pipeline)
Pence	Momence	CR (ex-NYC), UP (ex-C&EI)	T	closed December 28, 1993 (M)
Rock Island	Rock Island	Iowa Interstate (ex-CRI&P)	B	Mississippi River bridge; bridge cabin -- not verified

Other central Illinois 3 (7 closed)

Name	Location	Railroad(s)	Structure	Notes
"BN" Target	Bloomington	SP (ex-GM&O), NS (ex-NKP)	C	cabin, crossing was non-interlocked, also controlled CTC; closed June, 1993
BJ Tower	Peoria	P&PU	T	dispatcher, bridge and ex-PT crossing
Champaign (CH)	Champaign	IC, CR (ex-P&E) crossing	T	closed April 30, 1993, burned July 3, 1994, razed July 15, 1994
Edgewood (WO)	Edgewood	IC Edgewood cutoff junction	C	closed July 28, 1992, standing
Gibson City (R)	Gibson City	IC, NS (ex-Wabash, ex-NKP)	T	closed February 24, 1993, razed October, 1993 (M)
Gilman (CK)	Gilman	IC, TP&W	O	inside depot -- to close in 1995?
North Yard	Danville	CSX (ex-C&EI), NS (ex-Wabash), CR (ex-P&E) crossing;	C	closed June 17, 1992, razed 1993
Pearl	Pearl	Gateway Western (ex-GM&O)	B	Illinois River bridge (bridge cabin)
Tolono (RH)	Tolono	IC, NS (ex-Wabash) crossing	O	depot; closed April 15, 1992, razed March, 1994
Tuscola (TY)	Tuscola	IC, CSX (ex-B&O), UP (ex-C&EI) crossing	T	closed October 23, 1992, razed June 1, 1994 (M)

Southern Illinois 2

Name	Location	Railroad(s)	Machine	Structure	Notes
Centralia (``B'' Yard)	Centralia	IC, BN (CB&Q), NS (Southern) crossing		O	inside yard office
Mt. Vernon	Mt. Vernon	UP (ex-C&EI), NS, CSX (ex-L&N) crossing		C	one-story cabin built 1975 -- to have been closed 1994, but verified as active on February 18, 1995

Springfield 1 (3 closed)

Name	Location	Railroad(s)	Structure	Notes
Avenue	Springfield	IC, C&IM	T	closed November 12, 1992, razed May 1993 (M, w/pipeline)
Iles	Springfield	NS (ex-Wabash), SP (ex-GM&O)	T	closed June 17, 1994, razed August 1994 (M)
Ridgely	Springfield	SP (ex-GM&O), C&IM (M, w/pipeline)	T
Shops	Springfield	C&IM, NS (ex-Wabash) crossing	T	standing, C&IM uses structure for other purposes, but not for interlocking

East St. Louis area 5

Name	Location	Railroad(s)	Structure	Notes
HN Cabin	?????	CSX (ex-B&O), CR (ex-PRR), A&S	T	building is a tower in spite of the term "cabin"
Lenox	Mitchell	UP (ex-MP, nee NYC), Gateway Eastern, NS (ex-Wabash), A&S, SP (ex-GM&O)	T
WR	Granite City	TRRA, SP (ex-GM&O), Gateway Eastern, NS (ex-Wabash, IT) -- to close March, 1995?	T
Wann	Wood River	SP, Gateway Eastern (ex-GM&O)	C	cabin; had been scheduled to close February, 1995 but remote-control work postponed
Willows	East St. Louis	Gateway Eastern (ex-PRR), CSX (ex-B&O), TRRA, NS (ex-Southern)	T

Indiana 12 (3 closed)

Chicago area 7 (3 closed)

Name	Location	Railroad(s)	Structure	Notes
Calumet	East Chicago	IHB, CSX (ex-B&OCT), EJ&E	T	(M)
Grasselli	East Chicago	IHB, EJ&E, CSX (ex-B&OCT)	T	(M, w/pipeline)
Griffith	Griffith	EJ&E, GTW	T	to close during 1995?
Hartsdale	Schererville	CR (ex-PRR, ex-MC), EJ&E	T	closed June 14, 1994 (M)
Hick	Indiana Harbor	CR (ex-NYC), IHB, EJ&E, CSX (ex-B&OCT)	T	bridges and junctions
Hohman Avenue	Hammond	CR, IHB, NS	T	staffed by CR on behalf of IHB, to close 1995?
Indiana Harbor Canal Bridge	?????	IHB, EJ&E	C	opens weekdays for trains -- cabin or tower?
Ivanhoe	Gary	EJ&E, CR, IHB	T	closed December 16, 1993; razed winter of 1994-95
Judd (JD)	La Porte	CR (ex-NYC)	T	closed May 18, 1992; razed
State Line	Hammond	IHB (ex-C&WI), NS (ex-NKP), CSX (ex-B&OCT), EJ&E	T	(M, w/pipeline)

Outstate 5

Name	Location	Railroad(s)	Structure	Notes
Bend (HF)	South Bend	CR (ex-NYC)-GT	T
Drawbridge	Michigan City	Amtrak (CR)	T	bridge plus CTC on Amtrak Michigan line between Porter, Indiana and Kalamazoo, Michigan; manned by CR
Haley	Terre Haute	CR (ex-NYC), CSX (ex-C&EI)	T
IU	Indianapolis	CR (ex-IU, ex-PRR, ex-NYC), CSX (ex-B&O)	T	to close during 1995?
Spring Hill	Terre Haute	Soo (ex-CMStP&P), CSX (ex-C&EI)	T	controls crossing and houses Soo Terre Haute line dispatcher's office

Iowa 2

Name	Location	Railroad(s)	Machine	Structure	Notes
Burlington	Burlington	BN (ex-CB&Q)		B	Mississippi River bridge (bridge cabin) -- not verified
Sabula	Sabula	Soo (ex-CMStP&P)		B	Mississippi River bridge and short CTC segment; bridge cabin

Kentucky 2 (1 closed)

Name	Location	Railroad(s)	Structure	Notes
Clagg	Louisville	L&I (ex-PRR/CR)	T	bridge, south end; one shift depending on traffic, also controls Louisville & Portland Canal span
DeCoursey Yard	Louisville	CSX (L&N)	T	closed May 27, 1994
RU	Russell	CSX (C&O)	T	no change in sight, says CSX

Louisiana 5 (1 closed)

New Orleans 5 (1 closed)

Name	Location	Railroad(s)	Structure	Notes
Clara Street	New Orleans	Amtrak (NOUPT)	T	controls passenger terminal trackage, last active brick tower in Louisiana
East Bridge Jct.	New Orleans	IC, NOPB, NS (ex-Southern)	T	connections at east end of Huey P. Long Bridge
NE Tower	New Orleans	CSX (ex-L&N), NS (ex-Southern)	T	closed September 12, 1990
NOPB Industrial Canal Bridge Tower	New Orleans	CSX (ex-L&N)	T	near drawbridges east of New Orleans -- to be remoted?
Southport	Metairie	IC, NOPB, KCS	T	crossings and industrial leads
West Bridge Jct.	Avondale	SP, UP, NOPB	T	connections at west end of Huey P. Long Bridge

Maine 2

Name	Location	Railroad(s)	Machine	Structure	Notes
Tower A	Waterville	BAR		T	west end of yard, controls yard switches and main from Oakland to Northern Maine Jct., 52 miles.
Tower PT	Portland	Guilford (ex-MEC)		T	Rigby Yard (east or north end), controls yard and line to Royal Jct. in Cumberland, 13.3 miles; Tower 1 (west or south end), closed in 1970s or so

Maryland 4 (1 closed)

Name	Location	Railroad(s)	Structure	Notes
AM	Altamont	CSX (ex-B&O)	T
JD	Hyattsville	CSX (ex-B&O)	T	Alexandria Branch junction; razed 1993
M	Mexico	CSX (ex-B&O)	T	east end Cumberland yard
Viaduct Jct. (ND)	Cumberland	CSX (ex-B&O)	T	(M, w/pipeline)
WB	West Brunswick	CSX (ex-B&O)	T

Massachusetts 7 (3 closed)

Name	Location	Railroad(s)	Structure	Notes
Beverly Draw	Beverly	Amtrak (MBTA, ex-B&M) Ipswich line	B	open two tricks daily
Gloucester Draw	Gloucester	Amtrak (MBTA, ex-B&M) Gloucester branch	B
Manchester Draw	Manchester	Amtrak (MBTA, ex-B&M) Gloucester branch	B	open one trick daily and closed during winter
Salem	Salem	Amtrak (MBTA, ex-B&M)	T	closed March 2, 1992
Saugus Draw	Saugus	Amtrak (MBTA, ex-B&M) Ipswich line	B	open two tricks daily
South Bay	?????	Amtrak (MBTA, ex-NYNH&H)	C	connections and junctions on former New Haven Dorchester Branch; located inside trailer
Tower A	Boston	Amtrak (MBTA, ex-B&M)	T	junctions and Charles River bridge near North Station; closed November 20, 1993; bridgetender remains on duty at bridge but controls bridge only
Tower H	Somerville	Amtrak (MBTA, ex-B&M)	T	open two tricks/day, also B&M, CR -- to close during 1995?
Walpole	Walpole	Amtrak (MBTA, ex-NYNH&H)	T	closed July 2, 1994
Waltham	Waltham	Amtrak (MBTA, ex-B&M)	T	in addition to local interlocking, operates various interlockings on ex-B&M Fitchburg line between W. Cambridge and Acton

Michigan 9

Detroit 6

Name	Location	Railroad(s)	Structure	Notes
Beaubien Street	Detroit	CR (ex-MC), GT	T
Conrail bridge	Detroit	CR (ex-MC)	T	Rouge River bridge, also CP "YD" and CP "MILL"
Delray	Detroit	CSX (ex-C&O), GT, CR (ex-NYC), NS (ex-Wabash)	T
Milwaukee Jct.	Detroit	CR (ex-MC), GT	T
NS Bridge	Detroit	NS (ex-Wabash), GT (ex-D&TSL)	T	Rouge River, also controls GT/CR and CR/NS crossings at Victoria St. and NS/GT crossing at Allen Park
Short Cut Bridge	River Rouge	CR, GT (ex-DT&I)	T

Other 3

Name	Location	Railroad(s)	Structure	Notes
BO	Kalamazoo	CR (ex-MC) (M)	T
FN	Trenton	CR (ex-MC), GT (ex-DT&I and D&TSL)	T
Plymouth	Plymouth	CSX (ex-C&O)	O	inside yard office

Missouri 6

Kansas City 3

Name	Location	Railroad(s)	Structure	Notes
Hannibal bridge	?????	NS	B	Missouri River bridge -- not verified
Truman Bridge	??????	Soo (ex-CMStP&P), C&NW (ex-CRI&P)	B	drawbridge
Ustick	North Kansas City	BN (ex-CB&Q), NS (ex-Wabash)	T

Other 2

Name	Location	Railroad(s)	Machine	Structure	Notes
Hannibal	Hannibal	NS (ex-Wabash)		T	Mississippi River bridge and BN crossing; tower built 1992 to replace previous cabin
Louisiana	Louisiana	Gateway Western (ex-GM&O)		B	Mississippi River bridge but not adjacent BN crossing (bridge cabin)

St. Louis 1

Name	Location	Railroad(s)	Machine	Structure	Notes
Gratiot Street	St. Louis	TRRA, UP, Amtrak		T	also handles Grand Avenue TRRA, BN (ex-StLSF, UP, NS (ex-Wabash) junction in St. Louis and TRRA, UP (ex-MP), A&S junction on Illinois side of river

Nebraska 1 (2 closed)

Name	Location	Railroad(s)	Structure	Notes
Carling Tower	Lincoln	BN (ex-CB&Q)	T	east end BN yard, controls functions of former Hall Tower
Hall Tower	Lincoln	BN (ex-CB&Q), UP crossing	T	closed circa 1992
Tower B	Omaha	UP	T	enlarged in 1966, closed February 20, 1990

New Jersey 11 (1 closed)

Amtrak Northeast Corridor 6

Name	Location	Railroad(s)	Structure	Notes
Dock	Newark	Amtrak (ex-PRR)	T	also controls Passaic River Bridge
Fair	Trenton	Amtrak (ex-PRR)	T
Hudson	Kearny	Amtrak (ex-PRR)	T
Hunter	Newark	Amtrak (ex-PRR)	T	opposite end Aldene connecton from CR "NK" Tower
Lincoln	Metuchen	Amtrak (ex-PRR)	T
Union	Rahway	Amtrak (ex-PRR)	T

Conrail 4

Name	Location	Railroad(s)	Structure	Notes
Hack	Jersey City (?)	CR (ex-PRR)	T	Passaic & Harsimus Line movable bridge over Hackensack River, CP Kearny, CP Stock, WA-5 Waverly
NK	Newark	CR (ex-LV)	T	controls NJT (ex-CNJ) Raritan Line, CP Townley, CP Roselle Park, CP Aldene
Trent	West Trenton	CR, SEPTA (ex-Reading) Trenton Line	T	SEPTA storage yard -- to be closed 1995 and controlled from SEPTA Wind in Philadelphia
Upper Bay	Newark	CR (ex-PRR, LV)	B	National Docks Secondary, movable Newark Bay bridge formerly used jointly by PRR and LV

N J Transit 1 (1 closed)

Name	Location	Railroad(s)	Machine	Structure	Notes
HX	Harmon Cove	NJT (ex-EL)		T	Hackensack River bridge and various junctions; closed January 23, 1993
Hoboken Terminal	Hoboken	NJT (ex-EL)		T	replaced previous tower on same site

New York 19 (11 closed)

New York City area 18 (11 closed)

Amtrak Hell Gate Line 1

Name	Location	Railroad(s)	Machine	Structure	Notes
Pelham Bay	Bronx	Amtrak (ex-NYNH&H)		T	tower or bridge cabin?

Amtrak Northeast Corridor (ex-PRR) 3 (4 closed)

Name	Location	Railroad(s)	Structure	Notes
A Tower	New York	Amtrak (ex-PRR)	T	Penn Station towers replaced by new Penn Station Control Center opened October 1, 1994
C Tower	New York	Amtrak (ex-PRR)	T	Penn Station towers replaced by new Penn Station Control Center opened October 1, 1994
F Tower	Long Island City (Queens)	Amtrak (ex-PRR)	T
JO Tower	New York	Amtrak (ex-PRR)	T	Penn Station towers replaced by new Penn Station Control Center opened October 1, 1994
KN Tower	New York	Amtrak (ex-PRR)	T	Penn Station towers replaced by new Penn Station Control Center opened October 1, 1994
Q Tower	Queens	Amtrak (ex-PRR)	T	Sunnyside Yard
R Tower	Queens	Amtrak (ex-PRR)	T	Sunnyside Yard

Long Island Rail Road 14 (1 closed)

Name	Location	Railroad(s)	Structure	Notes
Babylon	Babylon	LIRR	T
Bliss	Long Island City	LIRR	T	closed July 18, 1992.
Brook	Brooklyn	LIRR	T	Flatbush Avenue
Divide	Hicksville	LIRR	T
Dunton	Jamaica	LIRR	T
East New York	Queens	LIRR	T	open as needed
Hall	Jamaica	LIRR	T
Harold	Long Island City	LIRR	T
Jay	Jamaica	LIRR	T
Lead	Island Park	LIRR	T	swing bridge -- tower or bridge cabin?
Nassau	Mineola	LIRR	T
PD	Patchogue	LIRR	T
Queens	Queens Village	LIRR	T
Valley	Valley Stream	LIRR	T
Van	Brooklyn	LIRR	T	Flatbush Avenue tunnel approach, junction, Vanderbilt Avenue Yard, two tricks on weekdays only

Metro-North (ex-NYC) 0 (6 closed)

Name	Location	Railroad(s)	Structure	Notes
A	New York	MNCR (ex-NYC)	T	underground tower on Grand Central Terminal upper level; closed October 3, 1993
B	New York	MNCR (ex-NYC)	T	underground tower on Grand Central Terminal lower level; closed July 24, 1993
C	New York	MNCR (ex-NYC)	T	underground tower on Grand Central Terminal upper level; closed October 3, 1993
MO (Mott Haven)	Bronx	MNCR (ex-NYC)	T	junction between Harlem and Hudson lines; closed July 9, 1993
Nick (NK)	New York	MNCR (ex-NYC)	T	crossovers in upper Manhattan; closed July 9, 1993
U	New York	MNCR (ex-NYC)	T	junction between Grand Central Terminal's upper and lower level tracks near 57th Street, Manhattan; closed August, 1993

Outstate 1

Name	Location	Railroad(s)	Machine	Structure	Notes
LAB	Albany-Rensselaer	CR (ex-NYC)		C	drawbridge -- tower or bridge cabin?

Ohio 31 (4 closed)

Cincinnati area 2

Name	Location	Railroad(s)	Machine	Structure	Notes
GK	East Norwood	CSX (ex-B&O), NS (ex-PRR)		T
NA	Ivorydale	CSX (ex-B&O), CR (ex-NYC)		T

Cleveland area 7

Name	Location	Railroad(s)	Structure	Notes
Berea (BE)	Berea	CR (ex-NYC)	T	to close during 1995?
Bridge 184.50	?????	NS (ex-NKP)	B	Cuyahoga River
Bridge 222	?????	W&LE (ex-NKP)	T	Cuyahoga River
Bridge 4	?????	CR (ex-NYC)	T	Cuyahoga River
Bridge 460	?????	CSX (ex-B&O)	B	Cuyahoga River
Drawbridge (DB)	Cleveland	CR (ex-NYC)	T	Cuyahoga River
Quaker (QD)	Collinwood	CR (ex-NYC)	T

Columbus 1

Name	Location	Railroad(s)	Machine	Structure	Notes
Scioto	Columbus	CSX (ex-B&O), CR (NYC)		T

Other points 11 (4 closed)

Name	Location	Railroad(s)	Structure	Notes
AC	Marion	CR (ex-EL, NYC), NS (ex-PRR), CSX (ex-C&O); closed January 18, 1995	T
Bay Bridge	Sandusky Bay (ex-NYC)	None	T
CO	Port Clinton Drawbridge (ex-NYC)	None	T
F Tower	Fostoria	CSX (ex-B&O), CSX (ex-C&O), NS (ex-NKP)	T
HN	Newton Falls	CSX (ex-B&O)	T	tower is part of depot structure
J	Willard	CSX (ex-B&O)	T
JM	Ashtabula	CR tower/drawbridge, (ex-NYC)	T
NS Tower	Lima	CR (ex-PRR), NS (ex-NKP), CSX (ex-B&O)	T	(M, w/pipeline) -- to be closed during early 1995?
NV	Nova	CSX (ex-B&O)	T	closed October 18, 1993 (M, w/pipeline)
OW Youngstown	Ohio Jct., CSX (ex-B&O)	None	T
RU	Lorain	Black River Bridge, NS (ex-NKP)	B
RX	Willard	CSX (ex-B&O)	O	yard office
Rave	Ravenna	CR (ex-PRR)	T	part-time -- to be closed early 1995?
Route 4	Bellevue	NS (NKP)	T
Tiffin	Tiffin	IHRC (ex-PRR), CSX (ex-B&O)	T	closed late 1993; razed March 13, 1995

Toledo area 10

Name	Location	Railroad(s)	Structure	Notes
Alexis (N)	Toledo	CR, AA (ex-NYC)	T
CP Maumee	Toledo	CR (ex-NYC)	B	drawbridge
Hallett	Toledo	AA-CSX (ex-TT)	T
Ironville	Toledo	NS (ex-NKP)-CSX (ex-TT)	T
Lower Bridge	Toledo	CSX (ex-TT)	B	Maumee River
Millard Avenue	Toledo	CSX (ex-C&O)	C	ore docks
Nasby (AV)	Toledo	CR (ex-NYC), NS (ex-TT west side line)	T
Stanley (SA)	Toledo	CR (ex-NYC)	T
Walbridge	Toledo	CR (ex-PRR), CSX (ex-C&O)	T
Walbridge	Toledo	CSX (ex-C&O)	O	yard office

Oregon 1

Name	Location	Railroad(s)	Machine	Structure	Notes
VC	Portland	Portland Terminal, SP, BN (ex-SP&S), UP		T	Portland Union Station

Pennsylvania 27 (4 closed)

Other 12 (2 closed)

CSX, ex-B&O Cumberland-Connellsville main line 3

Name	Location	Railroad(s)	Structure	Notes
Q	Hyndman	CSX (ex-B&O)	T	(M, w/pipeline)
SA	Sand Patch	CSX (ex-B&O)	T
VI	Connellsville	CSX (ex-B&O)	O	ex "D" (inside old yard office)

Conrail, ex-PRR main line 4 (2 closed)

Name	Location	Railroad(s)	Structure	Notes
AR	Gallitzin	CR (ex-PRR)	T	to close during 1995?
Alto	Altoona	None	T
C (Conemaugh)	Johnstown	CR (ex-PRR)	T
MG	Gallitzin	CR (ex-PRR)	T	on mountain grade between Altoona and Gallitzin; closed June 24, 1994
MO	Cresson	CR (ex-PRR)	T	closed December 1994
SO	South Fork	CR (ex-PRR)	T

Pittsburgh area 5

Name	Location	Railroad(s)	Structure	Notes
East Conway	East Conway	CR (ex-PRR)	T
Glenwood	Glenwood	CSX (ex-B&O)	T
Midland	Midland	???	T	part time -- who operates?
Rochester	Rochester	CR (ex-PRR)	T	to close during 1996?
UN	New Castle	CSX (ex-B&O, ex-P&LE)	T

Philadelphia area 15 (2 closed)

Amtrak Harrisburg Line 6 (1 closed)

Name	Location	Railroad(s)	Structure	Notes
Bryn Mawr	Bryn Mawr	Amtrak (ex-PRR)	T	closed early 1994 following fire, interlocking now permanently controlled from Paoli
Cork	Lancaster	Amtrak (ex-PRR)	T
Overbrook	Philadelphia	Amtrak (ex-PRR)	T
Paoli	Paoli	Amtrak (ex-PRR)	T
Park	Parkesburg	Amtrak (ex-PRR)	T	open only for trackwork or emergencies -- to be eliminated during 1995?
State	Harrisburg	Amtrak (ex-PRR), CR (ex-PRR, RDG)	O	inside Harrisburg depot
Thorn	Thorndale	Amtrak (ex-PRR)	T

Amtrak Northeast Corridor 2 (1 closed)

Name	Location	Railroad(s)	Structure	Notes
North Philadelphia	Philadelphia	Amtrak	T
Penn	Philadelphia	Amtrak (ex-PRR)	O	office inside 30th Street Station; closed April 4, 1994
Zoo	Philadelphia	Amtrak (ex-PRR)	T

CSX 1

Name	Location	Railroad(s)	Machine	Structure	Notes
RG	Philadelphia	CSX (ex-B&O)		T	East Side Yard

SEPTA -- Airport Line 1

Name	Location	Railroad(s)	Machine	Structure	Notes
A	Philadelphia	SEPTA, CR (ex-RDG)		T	new tower (block-like building) built 1984, controls Airport Line, CR access

SEPTA -- Chestnut Hill Line (ex-PRR) 1

Name	Location	Railroad(s)	Machine	Structure	Notes
Chestnut Hill West	Chestnut Hill	SEPTA (ex-PRR)		O	inside station, part time

SEPTA -- Main Line 3

Name	Location	Railroad(s)	Structure	Notes
Broad	Philadelphia	SEPTA (ex-PRR)	O	office inside Suburban Station
Mark	Philadelphia	SEPTA	O	Market Street East station, also controls Vine; new office built 1984
Wayne Jct.	Philadelphia	SEPTA (ex-RDG)	T	tower also houses Wind, controls various interlockings on SEPTA's ex-RDG trackage

SEPTA -- West Chester Line (ex-PRR) 1

Name	Location	Railroad(s)	Machine	Structure	Notes
Media	Media	SEPTA (ex-PRR)		O	within station, full time, Media, North and South Elwyn -- to be phased out during 1995?

South Carolina 0 (1 closed)

Name	Location	Railroad(s)	Machine	Structure	Notes
FC	Florence	CSX (ex-ACL?)		O	inside CSX yard office; to be remoted late 1994 -- not verified

Tennessee 1

Name	Location	Railroad(s)	Machine	Structure	Notes
Leewood	Leewood	CSX (ex-L&N), IC crossing/junction		C	one-story building in northeastern Memphis

Texas 11 (2 closed)

Name	Location	Railroad(s)	Machine	Structure	Notes
#106 (Tower A)	Dallas	UP		T	Dallas Union Terminal
#121	San Antonio	SP		T	yard
#16	Sherman	SP, Texas & Northeastern (ex-T&P), BN	E,R	T
#17	Rosenburg	SP, AT&SF		T
#3	Flatonia	SP		T	(M, w/pipeline)
#42	Texarkana	UP (ex-T&P), SP (ex-SSW), KCS		T	closed January, 1994
#47	El Paso	SP		T	yard
#55	Fort Worth	UP (ex-T&P, ex-MKT), AT&SF, SP		T	to be remoted during 1995?
#68	Houston	SP		T	yard
#74	Beaumont	UP (ex-T&P)		O	inside depot used by Amtrak
#97 (Causeway)	Galveston	AT&SF, SP, UP		O	office
Beaumont (no number)	Beaumont	KCS		T	Neches River bridge and adjacent junctions with SP, AT&SF
Belt Jct.	Dallas	SP, HB&T		T	closed 1994

Virginia 1

Name	Location	Railroad(s)	Machine	Structure	Notes
Bridge 5	Norfolk	NS (ex-N&W)		T	controls several junctions and a drawbridge (tower off end of bridge)

West Virginia 8

Name	Location	Railroad(s)	Structure	Notes
D	Grafton	CSX (ex-B&O)	T
HO	Hancock	CSX (ex-B&O)	T	(M, w/pipeline)
MK	Rowlesburg	CSX (ex-B&O)	T	M&K Jct.
Miller (R)	Cherry Run	CSX (ex-B&O)	T	(M, w/pipeline)
NA	Martinsburg	CSX (ex-B&O)	C	cabin
Q	Hardman	CSX (ex-B&O)	T	(M, w/pipeline)
West Cumbo (W)	Hedgesville	CSX (ex-B&O)	T
Z	West Keyser	CSX (ex-B&O)	T	(M, w/pipeline)

Machine type symbols:
E	Electric (typically GRS model machine).
EM	Electro-mechanical. This type of machine has a mechanical frame with separate electrical levers that are either electrically or mechanically interlocked with mechanical frame.
EP	Electro-pneumatic (typically US&S model machine).
M	Mechanical frame (old “armstrong” or “strong-arm” levers). The presence of pipeline-operated switches, derails, or signals is indicated when known.
R	All-relay machine. Includes CTC- and “NX” or “UR”-style panels, as well as other more modern variants that lack mechanical locking.
Structure type symbols:
B	Movable bridge cabin, on or next to bridge.
C	Cabin (one-story free-standing building).
O	Office (e. g., yard office or depot building).
T	Tower (building with two or more stories)