Recommendation 8: Flangeway gap standards
From Formal Inquiry: Potters Bar derailment of 10 May 2002 — Final Report (RSSB FI2013/F), published 18 March 2005.
Recommendation
Railway Group Standard GI/RT7004 and all Network Rail technical documents covering installation, inspection and maintenance of point flangeway gaps, including the opening at the switch toes, should be reviewed, and, where necessary, modified, in order to: • Use consistent terminology. • Remove ambiguities. • Be consistent with the dimensions contained in RT/E/C/11772. • Specify the depth and longitudinal position at which the flangeway gap dimensions are to be measured.
Government response
No government response to this recommendation is on the record yet.
Delivery
No statement on delivery from the addressee has been found in the sources searched (last checked 27 February 2026). This is separate from the response above.