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RailRef Line Codes FF

Ffestiniog Railway

Signal Fact 15

E A Cowper invented the railway detonator in 1841. Used to protect trains that had come to a stand unexpectedly.

First adopted by the Great Western Railway, the other companies soon followed suit.

Detonators are still used today.

This page should be regarded as “Work in Progress”. The webmaster will welcome additional information for this page.

In the list below the information is set out in tabular form, spread over four columns. The column entries are -

RailRef	The Line Code used in RailRef system.
Line Detail	The principal locations included within the Line Code. They are arranged in 'down' direction order. Locations shown are primarily stations and junctions to allow easy cross check against published atlases. Signal box names appear in italics where these are 'intermediate' to stations or have been shown to facilitate links from other pages on this web site. The inclusion of a station or junction name does not imply that there was always a signal box of that same name!
SBR	The section reference used in the relevant Signal Box Register published by the Society.
ELR	The corresponding Engineer's Line Reference(s). This will be blank for railways that never came within British Railways terms of reference. It will also be blank where British Railways had no surviving responsibility for infrastructure at the time the ELR system came into use.

RailRef	Line Detail	SBR	ELR
FF001	Main Line datum Duffws Goods 13m57c current end of line 13m48c Blaenau Ffestiniog (1982) Blaenau Ffestiniog (1881-1939) Dinas No 3 Junction FF002 FF003 Dinas Junction (south) FF004 12m12c Tan-y-Grisiau (1) FF005 FF006 Moelwyn Halt 9m45c Ddault FF005 FF006 9m07c Campbell's Platform 8m39c Coedy-bleddiau 6m36c Tan-y-Bwlch Hafod-y-Llyn 6m20c Plas Halt 4m15c Rhiw Goch 3m20c LC 3m09c Penrhyndeudraeth (2) 3m06c LC Pen-Bryn-Halt 2m06c Minffordd 1m60c Quarry Lane LC 1m06c Boston Lodge Halt 0m72c Pen Cob Halt 0m08c Porthmadog Junction FF007 0m04c Porthmadog Harbour 0m00c end of line (1) Tanygrisiau since reopening (2) Penrhyn until 1912 and from reopening
FF002	Dinas Branch datum end of line Dinas Dinas Junction (north) FF004 Dinas Junction (south) FF001
FF003	1881-1899 Dinas Curve datum Dinas Junction (curve) FF004 Dinas No.3 Junction FF001 1881-1899
FF004	Pre 1900 route of Dinas Branch datum Dinas Junction (north) FF002 Dinas Junction (curve) FF003 Dinas Junction (south) FF001
FF005	1977 Deviation datum Tanygrisiau FF001 Llyn Ystradau Ddault FF001
FF006	1836-1842 route datum Tan-y-Grisiau (1) FF001 Tanygrisiau Ddault FF001 (1) Tanygrisiau since reopening
FF007	Link to Welsh Highland Railway datum Porthmadog Junction FF001 Porthmadog WHR NG001 1923 - 1937 and from 20xx

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