ENGINEERING TRACK TESTING
Weather & Rail Temperature Monitoring

WAS-PHL (Line AP)    PHL-NYP (Line AN)    Empire Line (Line AR)    NHV-BOS (Line AB)   PHL-HAR (Line AH) Michigan Line (Line AM) Springfield Line (Line AS)

Northeast Corridor (AP Line)
 Carroll Interlocking (Hyattsville MD)   ( 05/29/2026 11:00 AM)  
Current Data  Historical Data 
Air Temp.: 73.4 °F
Track 3 W rail: 104 °F
Track 3 E rail: 102 °F
Track 2 W rail: 100 °F
Track 2 E rail: 101 °F
 
 Bowie Interlocking (Bowie, MD)   ( 05/29/2026 10:45 AM)  
Current Data  Historical Data 
Air Temp.: 72.3 °F
Track 2 E rail: no data
Sensor Problem
Track 2 W rail: no data
Sensor Problem
Track 3 E rail: no data
Sensor Problem
Track 3 W rail: no data
Sensor Problem
 
 Severn, MD   ( 05/29/2026 10:45 AM)  
Current Data  Historical Data 
Air Temp.: 71.8 °F
Track 2 E rail: no data
Track 2 W rail: no data
Track 3 E rail: no data
Track 3 W rail: no data
 
 BWI Rail Station (Linthicum Hts. MD)   ( 05/29/2026 11:00 AM)  
Current Data  Historical Data 
Air Temp.: 74 °F
Track 2 W rail: 95 °F
Track 2 E rail: 98 °F
Track 3 W rail: 97 °F
Track 3 E rail: 98 °F
 
 Loudon Park (Baltimore, MD)   ( 05/29/2026 10:45 AM)  
Current Data  Historical Data 
Air Temp.: 71 °F
Track 2 E rail: 98 °F
Track 2 W rail: 98 °F
Track 3 E rail: 100 °F
Track 3 W rail: 101 °F
 
 Bay Interlocking (Baltimore, MD)   ( 05/29/2026 10:45 AM)  
Current Data  Historical Data 
Air Temp.: 71.4 °F
Track 2 E rail: 87 °F
Track 2 W rail: 88 °F
Track 3 E rail: 87 °F
Track 3 W rail: 85 °F
 
 Martin State Station (Middle River, MD)   ( 05/29/2026 10:45 AM)  
Current Data  Historical Data 
Air Temp.: 74.2 °F
Track 2 E rail: no data
removed for track work
Track 2 W rail: no data
removed for track work
Track 3 E rail: no data
removed for track work
Track 3 W rail: no data
removed for track work
 
 Edgewood Impact Detector Site (Edgewood MD)   ( 05/29/2026 11:00 AM)  
Current Data  Historical Data 
Air Temp.: 74.4 °F
Track 3 W rail: 96 °F
Track 3 E rail: 96 °F
Track 2 W rail: 104 °F
Track 2 E rail: 98 °F
 
 Susquehanna Bridge   ( 05/29/2026 11:00 AM)  
Current Data  Historical Data 
Air Temp.: 67.9 °F
WIN_SPEED: 15 (mph)
Wind_Avg: 10 (mph)
Wind_Max: 18 (mph)
Wind_Dir: N
 
 Prince Interlocking (Principio MD)   ( 05/29/2026 11:00 AM)  
Current Data  Historical Data 
Air Temp.: 73.4 °F
Track 2 W rail: 97 °F
Track 2 E rail: 94 °F
Track 3 W rail: 96 °F
Track 3 E rail: 97 °F
 
 Ruthby Interlocking (Newark, DE)   ( 05/29/2026 11:00 AM)  
Current Data  Historical Data 
Air Temp.: 72.4 °F
Track 1 E rail: 97 °F
Track 1 W rail: 89 °F
Track 2 E rail: 88 °F
Track 2 W rail: 94 °F
 
 Wilmington Shops (Wilmington, DE)   ( 05/29/2026 11:00 AM)  
Webcam  Current Data  Historical Data 
Air Temp.: 72 °F
Track 2 E rail: 91 °F
Track 2 W rail: 91 °F
Track 3 E rail: 91 °F
Track 3 W rail: 91 °F
 

Northeast Corridor (AN Line)
 Zoo Interlocking (Philadelphia, PA)   ( 05/29/2026 11:00 AM)  
Current Data  Historical Data 
Air Temp.: 72.8 °F
Berry Track N rail: 92 °F
Berry Track N rail (B): 81 °F
Berry Track S rail: 94 °F
Berry Track S rail (B): 92 °F
 
 Grundy Interlocking (Bristol PA)   ( 05/29/2026 11:00 AM)  
Current Data  Historical Data 
Air Temp.: 72 °F
Track 4 S rail: 95 °F
Track 4 N rail: 97 °F
Track 4 S rail: 96 °F
Track 4 N rail: 95 °F
 
 Midway Interlocking (Monmouth Jct. NJ)   ( 05/29/2026 12:00 PM)  
Current Data  Historical Data 
Air Temp.: 64 °F
Track 3 S rail: 95 °F
Track 3 N rail: 98 °F
Track 2 S rail: 100 °F
Track 2 N rail: 94 °F
 
 Union Interlocking (Rahway NJ)   ( 05/29/2026 11:00 AM)  
Current Data  Historical Data 
Air Temp.: 72.5 °F
Track A S rail: 92 °F
Track A N rail: 94 °F
Track 1 S rail: 94 °F
Track 1 N rail: 94 °F
 

Northeast Corridor (AB Line)
 Clinton Interlocking (Clinton CT)   ( 05/29/2026 11:00 AM)  
Current Data  Historical Data 
Air Temp.: 73.3 °F
Track 2 rail: 90 °F
Track 1 E rail: 93 °F
Track 2 rail: 87 °F
Track 1 W rail: 104 °F
 
 New London Passenger Sta. (New London, CT)   ( 05/29/2026 11:00 AM)  
Current Data  Historical Data 
Air Temp.: 71.9 °F
Track 1 N rail: 101 °F
Track 1 S rail: 88 °F
Track 2 N rail: 97 °F
Track 2 S rail: 95 °F
 
 Wickford C&S HQ, (N.Kingstown RI)   ( 05/29/2026 11:00 AM)  
Current Data  Historical Data 
Air Temp.: 70.2 °F
Track 1 N rail: no data
Track 1 N rail: no data
Track 1 S rail: no data
Track 1 S rail: no data
 
 Providence MW Base (Providence RI)   ( 05/29/2026 11:00 AM)  
Current Data  Historical Data 
Air Temp.: 67.6 °F
Track 1 N rail: 92 °F
Track 1 S rail: 93 °F
Track 2 N rail: 91 °F
Track 2 S rail: 94 °F
 
 Mansfield Impact Detector Site (Mansfield MA)   ( 05/29/2026 11:00 AM)  
Current Data  Historical Data 
Air Temp.: 70 °F
Track 1 N rail: 70 °F
Track 1 S rail: 72 °F
Track 2 N rail: 65 °F
Track 2 S rail: 78 °F
 
 Transfer Interlocking (Readville MA)   ( 05/29/2026 11:00 AM)  
Current Data  Historical Data 
Air Temp.: 66.7 °F
Track 1 N rail: 88 °F
Track 1 S rail: 88 °F
Track 2 N rail: 86 °F
Track 2 S rail: 85 °F
 

Harrisburg line (AH Line)
 Zoo Interlocking (Philadelphia, PA)   ( 05/29/2026 11:00 AM)  
Current Data  Historical Data 
Air Temp.: 72.8 °F
Berry Track N rail: 92 °F
Berry Track N rail (B): 81 °F
Berry Track S rail: 94 °F
Berry Track S rail (B): 92 °F
 
 Frazer Interlocking (Frazer, PA)   ( 05/29/2026 10:45 AM)  
Current Data  Historical Data 
Air Temp.: 70 °F
Track 1 S rail: 91 °F
Track 1 N rail: 88 °F
Track 4 S rail: 90 °F
Track 4 N rail: 91 °F
 
 Park Interlocking (Parksburg PA)   ( 05/29/2026 11:00 AM)  
Webcam  Current Data  Historical Data 
Air Temp.: 69.7 °F
Track 1 S rail: 93 °F
Track 1 N rail: 91 °F
Industrial Track S rail: 92 °F
Industrial Track N rail: 92 °F
 
 Cork Interlocking (Lancaster PA)   ( 05/29/2026 11:00 AM)  
Current Data  Historical Data 
Air Temp.: 72.4 °F
Track 1F S rail: 91 °F
Track 1F N rail: 89 °F
Track 1 S rail: 89 °F
Track 1 N rail: 90 °F
 
 Roy Interlocking (Middletown PA)   ( 05/29/2026 10:45 AM)  
Webcam  Current Data  Historical Data 
Air Temp.: 69.9 °F
Track 1 S rail: 95 °F
Track 1 N rail: 95 °F
Track 2 S rail: 98 °F
Track 2 N rail: 94 °F
 

Empire Line (AR Line)
 Rhinecliff Passenger Station   ( 05/29/2026 11:00 AM)  
Current Data  Historical Data 
Air Temp.: 69.9 °F
Track 1 E rail: 98 °F
Track 1 E rail (B): 100 °F
Track 1 W rail: 97 °F
Track 1 W rail (B): 98 °F
 
 Hudson Passenger Sta. (Hudson NY)   ( 05/29/2026 11:00 AM)  
Current Data  Historical Data 
Air Temp.: 71.7 °F
Track 1 E Rail: 101 °F
Track 1 W rail: 99 °F
Track 2 E rail: 100 °F
Track 2 W rail: 101 °F
 
 Rensselaer Passenger Sta.(Albany/Rensselaer NY)   ( 05/29/2026 11:00 AM)  
Webcam  Current Data  Historical Data 
Air Temp.: 70.7 °F
Track 3 E rail: 85 °F
Track 3 E rail (B): 78 °F
Track 3 W rail: 94 °F
Track 3 W rail (B): 100 °F
 
 Schenectady Passenger Station   ( 05/29/2026 11:00 AM)  
Webcam  Current Data  Historical Data 
Air Temp.: 70.1 °F
Track 1 E rail: 95 °F
Track 1 E rail (B): 95 °F
Track 1 W rail: 94 °F
Track 1 W rail (B): 99 °F
 

Springfield Line (AS Line)
 Meriden Passenger Station (Meriden CT)   ( 05/29/2026 11:00 AM)  
Current Data  Historical Data 
Air Temp.: 70.1 °F
Track 1 W rail: 106 °F
Track 1 E rail: 102 °F
Track 2 W rail: 94 °F
Track 2 E rail: 94 °F
 
 Hartford Passenger Station (Hartford CT)   ( 05/29/2026 11:00 AM)  
Current Data  Historical Data 
Air Temp.: 70.6 °F
Track 1 E rail: 95 °F
Track 1 E rail (B): 80 °F
Track 1 W rail: 95 °F
Track 1 W rail (B): 93 °F
 

Michigan Line (AM Line)
 Chicago Weather station   ( 05/29/2026 09:45 AM CST)  
Webcam  Current Data  Historical Data 
Air Temp.: 76 °F
Track 5 E rail: 81 °F
Track 5 W rail: 87 °F
Track 4 E rail: 79 °F
Track 4 W rail: 93 °F
 
 Michigan City, Indiana   ( 05/29/2026 10:45 AM)  
Webcam  Current Data  Historical Data 
Air Temp.: 72.4 °F
Main track S rail: 84 °F
Main track N rail: 84 °F
Siding S rail: 85 °F
Siding N rail: 85 °F
 
 Niles Engineering HQ. (Niles, MI)   ( 05/29/2026 11:00 AM)  
Webcam  Current Data  Historical Data 
Air Temp.: 72.8 °F
Main Track N rail: 94 °F
Main Track S rail: 92 °F
Controlled Siding N rail: 92 °F
Controlled Siding S rail: 96 °F
 
 Lawton Track Office (Lawton, MI)   ( 05/29/2026 11:00 AM)  
Webcam  Current Data  Historical Data 
Air Temp.: 73 °F
Main Track S rail: 90 °F
Main Track N rail: 93 °F
Siding Track S rail: 95 °F
SidingTrack N rail: 94 °F
 
 Battle Creek Passenger Sta. (Battle Creek MI)   ( 05/29/2026 11:00 AM)  
Current Data  Historical Data 
Air Temp.: 73.3 °F
Track 1 N rail: 90 °F
Track 1 S rail: 91 °F
Track 2 N rail: 93 °F
Track 2 S rail: 97 °F
 
 Jackson Passenger Sta. (Jackson, MI)   ( 05/29/2026 11:00 AM)  
Webcam  Current Data  Historical Data 
Air Temp.: 71.9 °F
Track 1 N rail: 78 °F
Track 1 S rail: 88 °F
Track 2 N rail: 80 °F
Track 2 S rail: 87 °F
 
 Ann Arbor Passenger Sta.   ( 05/29/2026 11:00 AM)  
Current Data  Historical Data 
Air Temp.: 67.9 °F
Track 1 N rail: 90 °F
Track 1 N rail (B): 90 °F
Track 1 S rail: 93 °F
Track 1 S rail (B): 93 °F