Home INTRODUCTION OVERVIEW SITE NAVIGATION INTERLOCKING MACHINES
     Adam photo
     AJ Kiski Jct. photo photo diagram
     AK Renovo photo
     Allens South Williamsport photo
     Albion photo
     Alford photo photo photo photo photo photo photo
     Alto photo photo photo photo photo photo photo
      photo photo photo photo
     Altoona PA  photo
     Annville(NV) photo photo diagram
     Antis Altoona photo photo photo
     AP Apollo photo photo photo photo photo photo photo
      photo photo photo
     AR Gallitzen photo photo photo photo photo photo
     Arsenal Philadelphia photo photo photo photo photo
      photo diagram diagram
     Ashmore photo
     Baldwin Eddystone photo photo photo photo photo
     Banks photo photo photo photo photo photo
     BD McBride photo
     BE (Brooke) Birdsboro photo photo photo photo photo
     Beck(OB) Pittsburgh photo photo diagram
     Bell photo
     Bergen Marsh Hill photo
     BF Broadford photo
     BG Etna photo photo photo photo
     BJ(Belt Jct.) Reading photo
     BK(Buchannon Jct)Meadville photo photo photo
     BK(CP 3Y)(P&LE) Pittsburgh photo photo photo photo
     BK(RDG) Pottstown photo
     BO (Bird) Birdsboro photo photo photo photo diagram
      photo
     BQ(PRR) Bellewood photo
     BQ Lackawaxen photo
     Brady photo
     Bridge Oil City photo
     Bridge 60 Scranton photo photo photo photo photo
     Brill Philadelphia photo photo
     Bruin Shenango photo photo photo photo diagram
      photo
     Bryn Mawr photo photo photo
     BS Uniondale photo
     BV(Belle Vista) McKeesport photo
     BY(Lehigh) Bethlehem photo diagram
     C East Conemaugh photo photo photo photo photo
      diagram old wreck 
     CA Mill Creek Jct. photo
     CA(DL&W) Clarks Summit photo
     Castasaqua photo diagram
     Castle New Castle photo
     Cayuga photo
     CF Chadd's Ford Jct. photo
     CF Confluence photo photo photo
     CG Lancaster photo 
     Chestnut Hill photo photo 
     City photo
     CJ Scranton photo
     Cly photo photo photo photo photo photo photo
      photo diagram
     C&M Jct.(B&O) DuBois photo photo photo
     CM Columbus Jct.(Erie) diagram
     CM(PRR) photo photo photo
     CO College photo
     CO Cornwells Heights photo
     Cola Columbia photo photo photo photo photo photo
     Cork Lancaster photo photo photo photo photo photo
     CP 3(CH) McKees Rocks photo photo photo photo
     CP 5(FM) McKees Rocks photo photo
     CP 10(MR)(Montour Jct.) Coraopolis photo photo
     CQ photo
     CR Cochrans photo
     Creasy photo
     CT Keating photo
     CV Connellsville photo photo photo photo
     CZ Nadine photo photo
     D3 (Delaware Extension Jct.) Philadelphia photo
     D4 University Ave. Philadelphia photo 
     Day Enola photo photo photo diagram
     Dexter Hill Nazareth photo
     DG Douglassville photo
     DF Driftwood photo
     DJ Erie photo photo
     DN Downingtown photo
     DR(Derry) photo photo photo photo
     Drocton photo
     DV Dillerville photo
     DV Shadyside  photo photo diagram
     DY Yardley photo 
     Eagle Bald Eagle photo
     East Conway(BA) Conway photo photo photo photo
       photo photo  
     Easton photo photo photo diagram
     Echo photo
     EK Eckley Junction photo
     Eldo Altoona photo
     Elwyn photo
     Emaus Jct. photo
     ES Lancaster photo
     Esplen photo model inside diagram
     Eye Corry photo photo
     Fassett photo
     FC Falls Creek photo photo photo photo
     Federal St. Pittsburgh photo 
     FO(DL&W) Factoryville photo photo photo
     Forest City photo
     Forge photo photo photo
     FQ Mountain Park Wilkes-Barre diagram
     FQ(Fifth ST)(RDG) Reading photo photo
     Franklin Jct. Ashley diagram diagram
     Frazer photo
     FY photo photo
     G Germantown photo
     G Plains Jct. photo
     GA Garrett photo photo
     GH(Lane) Wilmington photo
     GI Rock Jct. photo
     Glenwood Jct(WJ)Pittsburgh photo photo photo photo
       photo photo photo photo photo
     GN Laughlin Jct.(B&O) Pittsburgh photo photo
     GN(Lurgan)(RDG) diagram
     Gravel Place photo
     Gray Tyrone photo photo photo photo
     Greene Jct. photo photo photo
     Grundy photo diagram
     GS(Low Grade Jct.) Enola photo 
     Harris photo photo photo photo photo
     HB PH&P Jct. Harrisburg photo
     HF Cross Cut  photo
     HK Haucks photo
     Holmes Holmesburg photo
     HU photo
     Hunt(GC) Huntingdon photo photo photo photo photo
     HX(CNJ) Palmerton photo photo diagram
     HY Huntley photo
     IA Bennington photo
     J Allentown photo photo
     J (Lemo) Lemoyne photo photo photo photo photo
     JA Lanesboro Jct. photo
     Jacks Run Bellvue diagram
     Jacks Mt Union photo photo photo
     JC(Glass) Mill Creek photo
     JD(Conpit) New Florence photo photo diagram
     JG Neshaminy Falls photo photo photo
     JN(PRR) Emporium photo photo photo photo photo
     JN Jefferson Jct. photo
     JS Jersey Shore photo 
     JU(CNJ) Bethlehem photo photo diagram
     JU(PRR) Lawrence Jct.  photo
     JU Lebanon photo 
     K Lock Haven photo
     Kase Sunbury photo diagram diagram
     Kingsley photo
     Klapperthal(KJ)(RDG) Reading photo photo photo
     KI Jenkintown photo photo photo photo photo photo
     Kips South Danville photo photo
     KR Latrobe photo photo
     KW Kenilworth photo
     Lamokin Chester photo photo
     Landis Landisville(NV) photo photo photo diagram
     Leetsdale photo photo photo
     Lehighton(HI) photo photo photo
     Lewis  Lewistown photo 
     LV Bethlehem photo photo
     Marcus Hook photo
     Mattes Street(SR) Scranton photo photo photo
      diagram
     MB Morris photo
     MC Monongahela diagram
     MG photo photo photo photo photo diagram
     Mifflin(M) photo photo photo photo diagram
     Miles Milesburg photo
     Mill Creek Jct. Port Carbon photo
     MJ (Minooka Jct.) photo diagram diagram
     MJ(Potts) Pottsville photo photo photo photo photo
     MJ(Mercer Jct) photo
     MK McKeesport photo photo
     MO Cresson photo photo photo photo photo photo
      photo photo photo
     MO Mill Hall photo
     Molly Molly photo
     Monon Pittsburgh photo diagram
     Montandon photo
     Morris Morrisville photo diagram
     MR Starucca photo
     MS or MO(CNJ) Mineral Springs diagram
     MS Corry(Erie) photo photo diagram
     Mt Airy photo
     MU Eidenau photo photo
     MU Milton photo photo photo diagram
     MY Myerstown photo
     MY Manayunk photo
     N Erie Ave. North,Philadelphia photo
     NA Hawley photo
     N Northumberland photo
     NB New Brighton photo photo photo
     NC Newberry photo photo
     NE North East photo photo photo photo photo
     New Milford photo
     NI(Nice) Nicetown Jct. Philadelphia diagram
     NK (Ayers) Bethayers photo 
     Norca Catawissa photo photo
     North Philadelphia photo photo photo
     NQ(PRR) Norristown photo photo
     NQ Erie Ave.(Philadelphia) photo photo photo photo
     NS(B&O) Layton photo photo photo
     NS(RDG) Norristown photo photo diagram
     NX Newtown Jct Philadelphia photo
     NY Stoney Creek photo
     OA Newcastle photo photo photo
     OG Montgomery photo
     OJ(East Penn Jct.) photo
     Oley Reading photo photo diagram
     ON Olive photo
     Otts Warren photo
     Overbrook photo photo photo
     Palmyra diagram
     Paoli photo photo photo photo photo photo photo
     Park(PRR) Tyrone photo
     Park Parkesburg photo photo photo diagram 
     Parkesburg(old) photo
     Penn Haven Jct. photo photo diagram
     Pennroad Shippensburg photo
     Pennsylvania AV Pittsburgh photo photo
     PG(Perry)Kennywood(Pittsburgh) photo diagram
     Pine Grove photo
     Pitt Pittsburgh photo
     PK Park Jct. Philadelphia photo photo
     PK Perkiomen Jct. photo photo photo
     Plymouth photo
     PN Phoenixville photo
     PO Beaver Falls photo 
     Port(MS) Newport photo photo
     PQ Nesquehoning photo photo photo diagram photo
      photo photo
     PW North Abrams photo
     Q Hyndman photo photo photo
     R(CNJ) Allentown photo photo photo diagram diagram
           diagram
     R(PRR) East Pittsburgh photo photo photo photo
      photo photo diagram
     RA(PRR) Reading photo
     RS(Race) Race St. West Philadelphia photo diagram
      diagram diagram
     Raven Wolverton photo
     Redpen Catawassa photo
     RF Cayuga photo
     RF Royersford photo
     RG(PRR) Radebaugh photo diagram
     RJ(Eastwicks)Philadelphia) photo
     Rochester(RC) photo photo photo photo 
     Rockville photo photo photo photo photo diagram
     Rose Altoona photo photo photo
     RS Richards photo 
     RV Herndon photo  
     S(DL&W) East Stroudsburg photo photo photo photo
         photo photo photo photo 
     S(RDG) Sinking Spring photo
     SA Sand Patch photo photo photo photo photo photo
     SG Johnstown photo photo photo diagram
     Shore Philadelphia photo photo photo photo photo
      photo photo photo photo
     SJ Standard Jct. photo
     SJ Stowe photo
     Slope Altoona photo photo photo photo
     SO South Fork  photo photo photo photo photo photo
     South Altoona photo 
     Spruce Spruce Creek photo photo 
     SR Susquehanna photo photo photo           
     Slateford Jct. photo photo
     SN Heaton photo
     Steel Bethlehem photo photo diagram
     Sunbury(SF) photo diagram diagram
     SX Hudson diagram diagram
     SY Neshaminy photo 
     SZ Trafford photo diagram
     Tannery photo
     TCS Washington photo photo
     Thorn Thorndale photo photo photo photo photo photo
       photo photo diagram diagram
     Tobyhanna photo photo
     Thornton Jct. photo
     Tyrone photo 
     U Phoenixville photo photo
     UG East Mahoney Jct. photo
     UN(PRR) Gallitzen photo
     UN(B&O) New Castle photo photo photo photo photo
      photo photo photo photo photo
     UN(CNJ) White Haven diagram
     Union St. Allentown photo photo diagram
     UY Aspinwall photo photo photo diagram
     VA Caln photo
     VA Irvineton photo
     VA Vista photo
     VC(Valley Jct.) Lebanon Valley Jct. Wyomissing photo
      photo diagram
     VI Brilliant Jct. photo
     Viaduct Peale photo
     View Duncannon photo photo
     VN Allentown Yard  diagram diagram
     VO Butler photo photo photo photo photo diagram
      diagram
     VO McElhatten photo
     WA Wangaum photo
     Wagner Carnegie photo photo photo
     Wall Denholm diagram
     Wallace Jct. Girard photo
     Wampum Jct. photo photo
     Watson Dewart photo
     Wawa photo photo photo
     WC Spring City photo
     WD Wildwood photo photo
     WD Windsor photo
     WE Juniata photo
     West Conway(WC) photo photo photo diagram
     West Falls(FS) Philadelphia photo photo photo
     West Hallstead photo
     West Henryville photo
     WG Williamsport photo photo
     WH(Greene Jct.) Connellsville photo
     WI Brockway photo photo photo
     WK(CNJ) Allentown photo photo diagram
     WK(PRR) Swissvale photo diagram
     WM West Milton photo
     WN Wandin photo 
     Wood Homewood Jct. photo photo photo diagram
      photo photo
     Works  Altoona photo photo photo photo photo
     WS(B&O) Wadsworth photo photo photo photo photo 
     WS(RDG) Wayne Jct. Philadelphia photo photo photo
      diagram
     Wye Hollidaysburg photo photo photo photo photo
     X Calley photo
     X Philadelphia photo
     XC Erie photo diagram
     XD Cloe photo
     XN Shenango photo photo photo photo diagram
     Y East Penn Allentown diagram diagram
     YD Ararat photo
     YM Glenside photo photo
     York photo photo photo diagram
     Zoo Philadelphia photo photo photo photo photo

    
 
Home
INTRODUCTION
OVERVIEW
SITE NAVIGATION
INTERLOCKING MACHINES
TOWER NAMES AND CALL LETTERS
SUPPLEMENTAL TOWER MATERIAL
STATES  A-W and  CANADA
ILLINOIS
INDIANA
NEW JERSEY
NEW YORK
OHIO
PENNSYLVANIA
ABBREVIATIONS & GLOSSARY
LINKS
LOCK & BLOCK TOWERS
MY FIRST TOWER ASSIGNMENT
SEPTEMBER UPDATES
OCTOBER  UPDATES
NOVEMBER UPDATES
OPERATORS HALL OF FAME
RESTORATIONS
TALES FROM THE TOWER
TRANSIT & ELECTRIC LINE TOWERS
UNKNOWNS
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