This accident report details a derailment which took place at Warrington when 11 coaches were derailed as a rail joint became disconnected. The nuts were loose and finally ran off the bolts. As a result of the incident, improved inspection procedures are called for the ensure that all bolts are tightened plus specifications for bolts now call for 1/4 inch longer bolt to accept a Parlox nut, and 11 thread per inch instead of 9 as previously required.

  • Corporate Authors:

    Temple Press Limited

    161-166 Fleet Street
    Longon EC4,   England 
  • Publication Date: 1969-3-21

Media Info

Subject/Index Terms

Filing Info

  • Accession Number: 00039489
  • Record Type: Publication
  • Files: TRIS
  • Created Date: Dec 13 1976 12:00AM