Location of Track Scales and abbreviations to be used when marking light-weights on freight cars.

From PRR Publication CT100E (1923)

Track Scales Eastern Region
Location	Division	Capacity, Pounds	Length Feet	Abbreviation
Greenville Piers, N.J., E.B.	New York	300,000	52	P1
Greenville Piers, N.J., W.B.	New York	400,000	52	P2
Harsimus Cove, Pier J, N.J.	New York	300,000	52	P3
Harsimus Cove, Henderson St., N.J.	New York	300,000	52	P4
Meadows Yard, N.J.	New York	200,000	46	P5
Waverly, N.J.	New York	300,000	52	P6
Monmouth Junction, N.J.	New York	300,000	52	P7
Trenton Shops, N.J.	New York	300,000	52	P8
South Amboy, N.J.	Trenton	200,000	46	P9
Sea Girt, N.J.	N.Y.& L.B.	200,000	46	P10
Coalport, N.J.	Trenton	400,000	52	P11
Lambertville, N.J.	Trenton	200,000	46	P12
Phillipsburg, N.J.	Trenton	200,000	46	P13
Bordentown, N.J.	Trenton	200,000	46	P14
Birmingham, N.J.	Trenton	300,000	52	P15
Pavonia, N.J.	Camden Terminal	200,000	46	P16
Camden, Cooper's Pt., N.J.	Camden Terminal	200,000	46	P17
Camden, N.J.	Camden Terminal	200,000	46	P18
Atlantic City, N.J.	Atlantic	200,000	46	P19
Salem, N.J.	Atlantic	200,000	46	P20
Millville, N.J.	Atlantic	200,000	46	P21
Bridgeton, N.J.	Atlantic	300,000	52	P22
White Marsh Junc., Pa.	Philadelphia	200,000	46	P41
Downington, Pa.	Philadelphia	300,000	52	P42
Pomeroy, Pa.	Philadelphia	300,000	52	P43
Dillersville, Pa.	Philadelphia	200,000	46	P44
Columbia, Pa.	Philadelphia	300,000	52	P45
Billmyer, Pa.	Philadelphia	300,000	52	P46
Cornwall, Pa.	Philadelphia	200,000	46	P47
Harrisburg, Maclay St., Pa.	Philadelphia	400,000	52	P48
Lucknow, Pa.	Philadelphia	200,000	46	P49
Enola, Pa.	Philadelphia	200,000	46	P50
White Hill, Pa.	Cumberland Valley	200,000	46	P51
Chambersburg, Pa.	Cumberland Valley	300,000	52	P52
Hagerstown, Md.	Cumberland Valley	400,000	52	P53
Martinsburg, W. Va.	Cumberland Valley	200,000	46	P54
Mt. Union, Pa.	Middle	200,000	46	P55
Huntingdon, Pa.	Middle	200,000	46	P56
Altoona, Pa., WH East Altoona	Middle	400,000	62	P57
Altoona, Pa., Car Shop Metal Yd.	Altoona Works	300,000	52	P58
Altoona, Pa., Juniata Regular	Middle	300,000	52	P59
Altoona, Pa., Juniata Emergency	Middle	300,000	52	P60
Altoona, Pa., So. Altoona Foundry	Altoona Works	200,000	46	P61
Hollidaysburg, Pa., Eastbound	Middle	400,000	62	P62
Hollidaysburg, Pa., Westbound	Middle	300,000	52	P63
Tyrone, Pa.	Tyrone	440,000	54	P64
Belefonte, Pa.	Tyrone	200,000	46	P65
Snow Shoe, Pa.	Tyrone	200,000	46	P66
Osceola Mills, Pa.	Tyrone	300,000	52	P67
Bellwood, Pa.	Cresson	300,000	52	P68
Thurlow, Pa.	Maryland	400,000	52	P81
Lenni Yard, Pa.	Maryland	200,000	46	P82
Edge Moor, Del., North	Maryland	300,000	52	P83
Edge Moor, Del., South	Maryland	200,000	46	P84
Wilmington Shops, Del.	Maryland	200,000	46	P85
Principio, Md.	Maryland	200,000	46	P86
Perryville, Md.	Maryland	200,000	46	P87
Mt. Pleasant, Del.	Deleware	200,000	83	P88
Delmar, Del.	Deleware	200,000	46	P89
Cape Charles, Va.	Norfolk	300,000	52	P90
Baltimore, Md., Clinton St., North	Baltimore	300,000	52	P91
Baltimore, Md., Clinton St., South	Baltimore	200,000	46	P92
Baltimore, Md., Canton No. 1 Yard	Baltimore	300,000	52	P93
Baltimore, Md., Canton No. 3 Yard	Baltimore	400,000	52	P94
Baltimore, Md., Monument Street	Baltimore	176,000	46	P95
Baltimore, Md., Bolton Yard	Baltimore	400,000	52	P96
Baltimore, Md., Mount Vernon	Baltimore	300,000	52	P97
Gwynns Run, Md.	Baltimore	200,000	46	P98
Benning, D.C.	Baltimore	300,000	52	P99
York, Pa.	Baltimore	200,000	46	P100
Pottstown, Pa.	Schuylkill	400,000	52	P121
Reading, Pa.	Schuylkill	200,000	46	P122
XMt. Carbon, Pa.	Schuylkill	300,000	52	P123
XHoney Pot, Pa.	Sunbury	300,000	52	P124
XWeigh Scales, Pa.	Sunbury	300,000	52	P125
XMcClellan, Pa.	Williamsport	200,000	46	P126
XLykens, Pa.	Williamsport	300,000	52	P127
Lewistown Junction, Pa.	Sunbury	200,000	46	P128
Northumberland, Pa., Eastward Yard	Williamsport	300,000	52	P129
Northumberland, Pa., Westward Yard	Williamsport	300,000	52	P130
Willimasport, Pa.	Williamsport	300,000	52	P131
Lock Haven, Pa.	Williamsport	200,000	46	P132
Renovo, Pa.	Williamsport	300,000	52	P133
Southport, N.Y.	Elmira	300,000	52	P134
Stanley, N.Y.	Elmira	200,000	46	P135
Philadelphia, Pa., Washington Avenue Wharf	Philadelphia Terminal	300,000	52	P161
Philadelphia, Pa., Victoria	Philadelphia Terminal	300,000	52	P162
Philadelphia, Pa., Hay Warehouse, 31 & Chestnut Sts.	Philadelphia Terminal	200,000	46	P163
Philadelphia, Pa., South St.	Philadelphia Terminal	300,000	52	P164
Philadelphia, Pa., Girard Point	Philadelphia Terminal	300,000	52	P165
Tacony, Pa.	Philadelphia Terminal	300,000	52	P166
Frankford Junction, Pa.	Philadelphia Terminal	200,000	46	P167
Philadelphia, Pa., (North Phila., Broad Street Yard)	Philadelphia Terminal	300,000	52	P168
Philadelphia, Pa., (North Phila., Margie Street Yard)	Philadelphia Terminal	400,000	52	P169
Philadelphia, Pa., 16th and Washington Ave.	Philadelphia Terminal	200,000	46	P170
Park, Pa.	Philadelphia Terminal	200,000	46	P171
X - Equipped with double gross beam

Track Scales Central Region
Location	Division	Capacity, Pounds	Length Feet	Abbreviation
Cresson, Pa	Pittsburgh	200,000	46	P200
Conemaugh, Pa	Pittsburgh	300,000	52	P201
Derry, Pa	Pittsburgh	300,000	52	P202
Pitcairn, Pa., Hump, North	Pittsburgh	300,000	52	P203
Pitcairn, Pa., Hump, South	Pittsburgh	300,000	52	P204
Pitcairn, Pa., Hump, Metal Yd.	Pittsburgh	400,000	52	P205
Pittsburgh, Pa., 30th Street	Pittsburgh	400,000	52	P206
Blairsville, Pa.	Conemaugh	300,000	52	P220
Lane, Pa.	Conemaugh	200,000	46	P221
Peterson, Pa.	Conemaugh	300,000	52	P222
Ross, Pa.	Conemaugh	200,000	46	P223
Pittsburgh, Pa., 20th Street	Conemaugh	300,000	52	P224
Pittsburgh, Pa., 43rd Street	Conemaugh	300,000	52	P225
Verona, Pa.	Conemaugh	400,000	52	P226
Youngwood, Pa., Regular	Monongahela	300,000	52	P240
Youngwood, Pa., Emergency	Monongahela	300,000	52	P241
West Borwnsville Junc., Pa.	Monongahela	300,000	52	P242
Shire Oaks, Pa.	Monongahela	300,000	52	P243
Corliss, Pa.	Pan Handle	300,000	52	P250
Scully, Pa., Regular	Pan Handle	300,000	52	P251
Scully, Pa., Emergency	Pan Handle	200,000	46	P252
Scully, Pa., Car Shop	Pan Handle	200,000	46	P253
Washington, Pa.	Pan Handle	200,000	46	P254
Burgettstown, Pa.	Pan Handle	300,000	52	P255
Collier, W. Va.	Pan Handle	300,000	52	P256
New Cumberland, W. Va.	Pan Handle	200,000	46	P257
Dennison, Ohio, East Yard	Pan Handle	200,000	46	P258
Dennison, Ohio, Scrap Yard	Pan Handle	200,000	46	P259
Coshocton, Ohio	Pan Handle	200,000	46	P261
Newark, Ohio	Pan Handle	200,000	46	P262
Wheeling, W. Va.	Wheeling	200,000	46	P270
Wheeling, W. Va. Terminal	Wheeling	200,000	46	P271
Bellaire, Ohio, O.,R.&W.	Wheeling	200,000	46	P272
Mingo Junction, Ohio	Wheeling	200,000	46	P273
Emporium, Pa.	Buffalo	200,000	46	P280
Olean, N.Y.,A.D. Yard	Buffalo	200,000	46	P281
Rochester, N.Y.	Buffalo	300,000	52	P282
Ebenezer, N.Y.	Buffalo	400,000	52	P283
Buffalo, N.Y., Babcock St.	Buffalo	200,000	46	P284
Buffalo, N.Y., Ore Dock	Buffalo	300,000	52	P285
Falls Creek, Pa.	Allegheny	300,000	52	P300
Olean, N.Y., North	Buffalo	300,000	52	P301
Mayville, N.Y.	Allegheny	200,000	46	P302
Oil City, Pa.	Allegheny	300,000	52	P303
Venango, Pa.	Allegheny	300,000	52	P304
Ridgeway, Pa.	Renovo	200,000	46	P310
Kane, Pa.	Renovo	200,000	46	P311
Warren, Pa.	Renovo	200,000	46	P312
Corry, Pa.	Renovo	200,000	46	P313
Erie, Pa., P.R.R. Transfer, OD Yard (Out of Service)	Renovo	200,000	60	P314
Erie, Pa., Ore, Dock	Renovo	300,000	52	P315
Erie, Pa., E.&P. Dock Junc.	Renovo	200,000	46	P317
Erie, Pa., E.&P. Ore Dock	Renovo	200,000	46	P318
New Castle, Pa., West Side	Erie & Pittsburgh	200,000	46	P330
New Castle, Pa., East Side	Erie & Pittsburgh	200,000	46	P331
Wheatland, Pa. (Out of Service)	Erie & Pittsburgh	300,000	52	P332
Allegheny, Pa. Manchester Yard	Eastern	300,000	52	P340
Conway, Pa.	Eastern	300,000	52	P341
Canton, Ohio, East Yard	Eastern	300,000	52	P342
Canton, Ohio, West Yard	Eastern	300,000	52	P343
Alliance, Ohio, East Yard	Eastern	300,000	52	P344
Alliance, Ohio, West Yard	Eastern	200,000	46	P345
Orrville, Ohio	Eastern	200,000	46	P346
Ashtabula, Ohio	P., Y.&A.	200,000	46	P350
Niles, Ohio	P., Y.&A.	200,000	46	P351
Massillon, Ohio, M.&C. Junction	Eastern	200,000	46	P352
East Liverpool, Ohio	Cleveland & Pittsburgh	200,000	46	P360
Wellsville Shop,Ohio	Cleveland & Pittsburgh	200,000	46	P361
New Philadelphia, Ohio	Cleveland & Pittsburgh	300,000	52	P362
Cleveland, Ohio, W. Breakwater	Cleveland & Pittsburgh	200,000	46	P363
Cleveland, Ohio, Shops	Cleveland & Pittsburgh	200,000	46	P364
Cleveland, Ohio, Kinsman St.	Cleveland & Pittsburgh	300,000	52	P365
Bedford, Ohio	Cleveland & Pittsburgh	200,000	46	P366
Akron, Ohio	Akron	300,000	52	P380
Barberton, Ohio	Akron	200,000	46	P381
Mt. Vernon, Ohio	Akron	200,000	46	P382
Dover, Ohio	Marietta	200,000	46	P390
Cambridge, Ohio	Marietta	300,000	52	P391
Newcomerstown, Ohio	Marietta	200,000	46	P392
Marietta, Ohio	Marietta	200,000	46	P393

Track Scales Northwestern Region
Location	Division	Capacity, Pounds	Length Feet	Abbreviation
Mansfield, Ohio	Fort Wayne	200,000	46	P405
Crestline, Ohio	Fort Wayne	200,000	46	P410
Bucyrus, Ohio	Fort Wayne	200,000	46	P415
Dunkirk, Ohio	Fort Wayne	200,000	46	P420
Lima, Ohio	Fort Wayne	200,000	46	P425
Middlepoint, Ohio, No. 1	Fort Wayne	300,000	72	P430
Middlepoint, Ohio, No. 2	Fort Wayne	300,000	72	P431
Middlepoint, Ohio, No. 3	Fort Wayne	300,000	72	P432
Van Wert, Onio	Fort Wayne	200,000	46	P435
Ft. Wayne, Ind., East Yard	Fort Wayne	200,000	46	P440
Ft. Wayne, Ind., Car Shop	Fort Wayne	200,000	46	P441
Columbia City, Ind.	Fort Wayne	200,000	46	P445
Indiana Harbor, Ind., Car Shop	Chicago Terminal	200,000	46	P450
Chicago, Ill., 55th St. Yard, E.B.	Chicago Terminal	200,000	46	P455
Chicago, Ill., 55th St. Yard, W.B.	Chicago Terminal	200,000	46	P456
Hartford City, Ind.	Logansport	200,000	46	P460
Marion, Ind.	Logansport	200,000	46	P465
Muncie, Indiana (Out of Service)	Logansport	160,000	42	P470
Logansport Ind., Yard A, E.B.	Logansport	300,000	52	P475
Logansport Ind., Yard A, W.B.	Logansport	200,000	46	P476
Logansport Ind., Yard B	Logansport	200,000	46	P477
Kenneth, Ind.	Logansport	300,000	52	P480
Kentland, Ind.	Logansport	200,000	46	P485
Washington Heights, Ill. (Out of Service)	Chicago Terminal	200,000	46	P495
Chicago, Ill., 59th St. Yard, W.B.	Chicago Terminal	300,000	52	P500
Chicago, Ill., Ada St. Yard	Chicago Terminal	200,000	46	P505
Sandusky, Ohio, Bay Junc.	Toledo	300,000	52	P515
Bloomville, Ohio	Toledo	200,000	46	P520
Tiffin, Ohio	Toledo	200,000	46	P525
Gibsonburg, Ohio	Toledo	200,000	46	P530
Toledo, Ohio, Outer Yard	Toledo	200,000	46	P535
Detroit, Mich., Ecorse Yard	Toledo	400,000	62	P545
Kalamazoo, Mich., Team Track	Grand Rapids	200,000	46	P550
Kalamazoo, Mich., Little Bros. Mill (Out of Service)	Grand Rapids	120,000	36	P551
Grand Rapids, Mich., South Yard	Mackinaw	200,000	46	P555
Grand Rapids, Mich, North Yard	Mackinaw	200,000	48	P556
Muskegon, Mich.	Mackinaw	200,000	46	P560
Cadillac, Mich.	Mackinaw	200,000	46	P565
Traverse City. Mich.	Mackinaw	200,000	46	P570
Antrim, Mich.	Mackinaw	200,000	46	P575
Petoskey Mich.	Mackinaw	200,000	46	P580

Track Scales Southwestern Region
Location	Division	Capacity, Pounds	Length Feet	Abbreviation
Zanesville, Ohio	Zanesville	200,000	46	P602
Roseville, Ohio	Zanesville	200,000	46	P606
New Lexington, Ohio	Zanesville	200,000	46	P610
Lancaster, Ohio	Zanesville	300,000	52	P616
Columbus, Ohio, E.B.	Columbus	300,000	52	P628
Columbus, Ohio, W.B.	Columbus	300,000	52	P630
Columbus, Ohio, Shop Yard	Columbus	300,000	52	P632
Columbus, Ohio, Olentangy Stone Yard	Columbus	300,000	52	P634
Columbus, Ohio, Akron Yard	Columbus	300,000	52	P636
Columbus, Ohio, Grogan Yard	Columbus	200,000	46	P640
Urbana, Ohio	Columbus	200,000	46	P642
Piqua, Ohio	Columbus	300,000	46	P644
Bradford Junction, Ohio	Columbus	300,000	52	P646
Xenia, Ohio	Cincinnati	200,000	46	P652
Springfield, Ohio	Cincinnati	200,000	46	P654
Dayton, Ohio	Cincinnati	200,000	46	P656
Cincinnati, Ohio, Undercliff Yard, W.B.	Cincinnati	200,000	46	P658
Cincinnati, Ohio, E.B.	Cincinnati	200,000	46	P660
Cincinnati, Ohio, Norwood	Cincinnati	200,000	46	P662
Kokomo, Ind.	Richmond	200,000	46	P678
Anderson, Ind.	Richmond	200,000	46	P680
New Castle, Ind.	Richmond	200,000	46	P682
Richmond, Ind., Old Yard	Richmond	200,000	46	P684
Richmond, Ind., New Yard	Richmond	300,000	52	P686
Hamilton, Ohio	Richmond	200,000	46	P690
Knightsville, Ind.	St. Louis	200,000	46	P704
Seelyville, Ind.	St. Louis	200,000	46	P706
Terre Haute, Ind., East Yd.	St. Louis	300,000	52	P708
Terre Haute, Ind., City Shop	St. Louis	200,000	46	P710
Terre Haute, Ind., New Shop	St. Louis	300,000	52	P712
Macksville, Ind.	St. Louis	200,000	46	P714
Effingham, Ill.	St. Louis	200,000	46	P716
Rose Lake, Ill., E.B.	St. Louis	300,000	52	P718
Rose Lake, Ill., W.B.	St. Louis	200,000	46	P720
East St. Louis, Ill.	St. Louis	200,000	46	P722
Columbus, Ind.	Louisville	200,000	46	P728
Seymour, Ind.	Louisville	200,000	46	P730
Jeffersonville, Ind.	Louisville	200,000	46	P732
Louisville, Ky.	Louisville	300,000	52	P734
North Vernon, Ind.	Louisville	200,000	46	P736
Madison, Ind.	Louisville	200,000	46	P740
Indianapolis, Ind., East Yard	Indianapolis	200,000	46	P752
Indianapolis, Ind., Hawthorne Yd.	Indianapolis	300,000	52	P754
Indianapolis, Ind., Transfer Yd.	Indianapolis	200,000	46	P756
Spencer, Ind.	Indianapolis	200,000	46	P758
Bushrod, Ind.	Indianapolis	300,000	52	P760
Bicknell, Ind.	Indianapolis	300,000	52	P762
Vincennes, Ind.	Indianapolis	200,000	46	P764
Logansport, Ind.	South Bend	200,000	46	P770
Crawfordsville, Ind.	South Bend	200,000	46	P772
South Bend, Ind.	South Bend	200,000	46	P776
Decatur, Ill. (Ill. Central)	Peoria	200,000	46	P782
Lovington, Ill. (Private)	Peoria	400,000	50	P784
Paris, Ill. (Private)	Peoria	200,000	46	P786

DISCLAIMER: This file has not been proofread (I'm working on it!) Please let me know if you catch any errors!