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            HQ-NS-2022-0305-1543
      

      
  Document Series
              Accident Investigations


      
  Author
          Office of Railroad Safety


      
Accident Date
              March 5, 2022

  Accident Type
              Derailment (DRM)

  Railroad Name
              Norfolk Southern Railway (NS)

  Location
              Perryman, MDUnited States

  Accident Number
              HQ-NS-2022-0305-1543

  Investigation Status
              Finalized


      Subject
                    Accident Investigations


      
  Keywords
              Norfolk Southern Railway, NS, derailment, broken rim, catastrophic failure


      

      
      
              
                  
      
              
  Document
              HQ-NS-2022-0305-1543 FINAL.pdf (3.65 MB)

      
              On March 5, 2022, at 1:58. a.m., EST, a Norfolk Southern (NS) freight train (Y92H202) derailed at Milepost 71 on the Northeast Corridor in Perryman, Maryland, resulting in 20 cars derailed and $2,665,277 of damage to rail equipment and track. There were no injuries reported.

The weather at the time of the incident was 26 °F, dark and clear and the accident was not PTC-preventable.

NS and FRA did not agree on the same primary cause code. Per the F 6180.54 submitted by the railroad, NS believes E69C “other wheel defects” is the most appropriate cause code. FRA contends that E61C “broken rim” is the most appropriate cause code due to the obvious fracturing of the R4 wheel on NS 145387.
      
            
      
      
              Last updated: Saturday, March 5, 2022 U.S. DEPARTMENT OF TRANSPORTATION

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