GKRT0064 Iss 1

Provision of Overlaps, Flank Protection and Trapping

Synopsis

This document specifies a range of controls to be applied to mitigate the consequences of a train overrunning a signal at danger.

Read full standard

Registered

Withdrawn

Railway Group Standard

Issued:: 01/12/2000
Published:: 02/12/2000
In Force:: 07/04/2001
Withdrawn:: 07/12/2013

Details

Consultation Status	Closed
Vehicle Assessment	No
Superseded By	GKRT0055 Iss 1
Lead Committee	Control Command and Signalling - CCS
Supporting Committee	Infrastructure - INS; Traffic Operation and Management - TOM
Briefing Notes	01 BN09; 13 BN18
Impact Assessments Registered	00 IA21; 13 IA09
Deviations Registered	05-213-NC Provision of overlaps - Flank protection and trapping 06-230-NC Provision of overlaps - Flank protection and trapping 09-170-DGN Provision of overlaps for Cambrian ERTMS Level 2. 09-215-TNC Reduced Overlap on VS366 at Blackfriars. 05-059-DGN Operation of a track circuit interrupter 05-114-DGN Provision of Overlaps, Flank Protection and Trapping: Trap points. 06-120-DGN Provision of Overlaps - Flank Protection and Trapping 06-218-DGN Provision of overlaps - flank protection and trapping 07-001-DGN Provision of overlaps - flank protection and trapping 07-151-DGN Provision of Overlaps- Flank Protection and Trapping (Tracker No 4941) 09-015-DGN Reminders for Track Points on S&C Renewals associated with The Up Goods Loop at Plumpton. (Tracker 6021) 09-108-DGN Non implementation of Overrun Detection – Reading Station Area re-control. 00-172-DGN Length of overlap based upon speed at 400m point 09-245-DGN Reduced Overlaps in Thameslink Core Area 09-246-DGN Reduced Overlaps in Blackfriars Area 06-246-TNC Provision of overlaps - Flank protection and trapping 06-006-TNC Provision of Overlaps - Flank Protection and Trapping 10-028-TNC Reduced overlap on WH463 Luton during stageworks 03-322-TNC Reduced Overlaps 10-146-TNC Overlap on VS366 signal at Blackfriars 10-157-DGN Reduced overlaps at East Grinstead 10-213-DGN Length of reduced overlap for signal W2 - Waterloo Station 10-206-DGN Shunt Overlaps at Stroke-on-Trent Station 11-014-DGN Non provision of trapping protection at West Burton Power Station 11-077-DGN Reduced overlap associated with W460 signal, Epsom station. 11-078-DGN Reduced overlap associated with W464 signal, Epsom station. 11-079-DGN Reduced overlap associated with W421 signal, Chessington South station. 11-084-DGN Reduced Overlap on VC765 signal at Tulse Hill 11-085-TNC Reduced Overlap on VC766 signal at Tulse Hill 11-086-TNC Use of font not a “close approximation to Gill Sans light” for LED Standard and Miniature Alphanumeric Route Indicators 11-104-DGN Remove the requirement to flank protect the overlap of Western Route interlocking renewal and electrification schemes. 11-123-DGN Restoration of trapping protection - York Station. 11-125-DGN Shunt route overlaps for routes into Holgate Loop and Reception sidings – York 11-175-DGN Non provision of trapping protection in Immingham East area. 12-042-TNC Overlaps on L243 and L250 signals, Lewisham Vale junction 12-083-DGN Reduced overlap on M499 signal at Holytown Junction 11-208-DGN Non Provision of trapping protection for platforms at Nottingham Station and from Eastcroft Siding. 12-183-DGN Signal BH58 Overlap Length. 13-033-TNC Signal L537 Overlap Length, South Bermondsey Junction. ELR: BTH1. 13-052-DGN PN245 signal overlap length, Lancaster. 13-072-TNC L498 signal overlap length, London Bridge. View All