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Signal Fact 10

The Great Western Railway introduced point indicating targets in 1839.

The first installation was at Maidenhead.

Taff Vale Railway

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.

Article: Railway Magazine 1898 July (including gradient profiles).

RailRef	Line Detail	SBR	ELR
TV001	Cardiff & Merthyr Line datum Bute Road 24m28c Merthyr Plymouth Street Merthyr Yard 24m19c Ynysfach Branch Junction TV002 24m13c Dowlais Upper Yard Junction 24m00c Low Level Loop Junction Dowlais Junction 23m78c Merthyr Junction 23m62c Brandy Bridge Junction TV003 23m03c Pentre-bach 23m21c Abercanaid Crossing 22m17c Plymouth Siding Junction 21m69c Troedyrhiw 20m77c Danyderi Junction 19m77c Merthyr Vale 19m41c Black Lion Black Lion Crossing 18m03c Quakers Yard Low Level Junction GW454 17m73c Quakers Yard (1) 17m57c Quakers Yard Tunnel Quarry incline top TV004 incline bottom TV004 16m30c Aberdare Junction North TV010 16m28c Abercynon 16m20c Aberdare Junction South 16m01c Carn Parc 15m46c Llancaiach Branch Junction 15m44c Stormstown Junction TV020 14m61c Clydach Court Junction TV021 13m56c Pont Shon Norton Junction TV025 13m23c Pontypridd Northern Junction TV027 13m09c Pontypridd Junction 12m74c Pontypridd 12m59c P.C.& N. Junction AD001 12m40c mile post TV040 (1) Quakers Yard Low Level 1924 - 1968 (2) Abercynon South from ??	K1	CAM
TV002	Ynysfach Branch datum Bute Road 24m59c Ynysfach Sidings 24m37c Cyfartha Junction BM013 24m19c Ynysfach Branch Junction TV001		YNZ
TV003 GW464	Great Western & Taff Vale Joint datum Bute Road 24m19c Mardy Junction GW463 23m62c Brandy Bridge Junction TV001		CAM
TV004	old incline alignment between Tunnel Quarry Siding and Abercynon incline top TV004 incline bottom TV004
TV010	Aberdare Railway (Aberdare Branch) datum Cardiff Bute Road 24m41c Aberdare Mill Street 23m69c Low Level Junction GW462 23m65c Dare Valley Junction TV011 23m64c Commercial Street Platform 23m56c Aberdare Low Level 23m47c Aberdare South 22m54c Aberaman (1) 22m52c Aberaman Junction 22m00c Cwmbach Junction TV012 21m22c Abercwmboi 21m09c Abercwmboi (2) 20m15c Mountain Ash Junction GW461 20m11c Mountain Ash (1st) (3) 19m74c Nixon's Crossing Navigation Colliery GF Miskin Colliery 18m77c Penrhiwceiber Upper 18m74c Penrhiwceiber (4) Cynon River Bridge 18m23c Penrhiwceiber Lower 18m09c Matthewstown Halt Ynysboeth Quarry Sidings 17m20c Pontcynon Junction 17m16c Pontcynon Bridge Halt Cynon Crossing Junction 16m40c Abercynon North 16m30c Aberdare Junction North TV001 (1) Treaman until 1889 (2) Duffryn Crossing until 1905; Fernhill from 1988 (3) Mountain Ash Oxford Street 1924-1988 (4) Penrhiwceiber Low Level 1924-1964		ABD
TV010c	Mountain Ash Deviation 2001 datum 20m17c TV010 20m11c Mountain Ash (2nd) 19m59c TV010		MOA
TV011	Dare Valley Railway datum Bute Road 26m18c Bwllfa Colliery/TVR boundary 25m79c Nantmelyn Platform 25m54c Nantmelyn Lower Junction Nantmelyn Crossing Bwllfa No.2 Bwllfa No.1 Penrhiw 24m14c Gadlys Road Platform 23m65c Dare Valley Junction TV010		DVB
TV012	Cwmbach Branch (Aberdare Railway) datum Bute Road Werfa Colliery 22m23c Cwmbach New Junction to VoN (BR 1973) 22m01c Cwmbach Junction TV010		ALK
TV015	Dowlais Pits Branch datum Bute Road 15m72c Dowlais Pits 15m71c Dowlais Loop Junction TV016 15m50c Dowlais Pits Branch Junction TV017		DPB
TV016	Dowlais Loop datum 0m16c Dowlais Pits TV015 0m00c Dowlais Loop Junction TV025		DLA
TV017	Ynysydwr Loop datum Bute Road 16m01c Ynysydwr Junction TV025 15m50c Dowlais Pits Branch Junction TV015 15m46c Llancaiach Branch Junction TV001		YZD
TV020	Ynysybwl Loop. 1m29c Clydach Court Loop Junction TV021 0m00c Stormstown Junction TV001		YNL
TV021	Ynysybwl Branch datum Bute Road 19m30c Llanwonnd 17m76c end of line from 1938 17m35c Old Ynysybwl Halt 16m67c Ynysybwl 16m42c Robertstown 16m07c Ynysybwl New Road 16m03c Windsor Passing Loop 15m72c Clydach Court Loop Junction TV020 14m78c Clydach Court Halt 14m61c Clydach Court Junction TV001		YNY
TV025	Nelson Branch datum Bute Road 19m12c Llancaiach Junction GW440 Llancaiach Curve Junction TV026 18m45c Nelson 18m11c Llanfabon Road 16m19c Ynysdwr Junction TV017 15m75c Dowlais Loop Junction TV016 15m13c Cilfynydd 14m11c Coedpenmaen 12m75c Berw Road Halt 13m56c Pont Shon Norton Junction TV001 Remiled at Nelson 1936 0m00c - 0m30c, sidings retained after closure of branch in 1935.		NLN
TV026	Llancaiach East Curve datum Llancaiach East Junction GW440 Llancaiach Curve Junction TV025 Never opened. Not on 1884 OS maps but does appear from 1901 onward shown as formation marked as 'old railway' 311487 195654.
TV027	Pontypridd Loop 0m00c Pontypridd Northern Junction TV001 0m17c Rhondda Cutting Junction TV030		POP
TV030	Blaenrhondda & Treherbert Branches datum Bute Road 25m55c end of line Blaenrhondda Collieries 25m23c Fernhill 24m27c Dunraven Junction TV031 23m71c Rhondda & Swansea Bay Junction RS001 23m56c Treherbert North 23m50c Treherbert 23m29c Bute Merthyr Nantydyrus & Yniswen 23m08c Ynysfeio 22m70c Ynyswen 22m34c Tylacoch Platform 22m34c Abergorkie 22m02c Treorchy 21m50c Cwmparc 21m45c Tyn-y-Bedw 21m28c Pentre Platform Rhondda Engine Works 20m75c Ystrad Rhondda (1) 20m53c Maendy Ystrad 20m32c Gelli Platform 20m06c Gelli & Bwllfa 20m05c Ystrad Rhondda 19m07c Llwynypia 18m79c Llwynypia Upper 18m39c Llwynypia Lower 18m11c Pwllyrhebog Junction TV032 Pwllyrhebog (Lower) 18m03c Tonypandy &Trealaw Pandy Junction Pandy Pit 17m40c Dinas Rhondda Adare 17m33c Naval Colliery Junction. 17m30c Pandy Pandy Teble Line Junction 16m70c Dinas Junction 16m26c Cymmer Level Cymmer Lodge Porth (1st) 16m13c Rhondda Fach Junction North TV033 16m10c Porth (2nd) 16m03c Rhondda Fach Junction South 15m42c Llwyncelyn Hafod Hafod Junction Lodge 15m08c Eirw Branch Junction TV034 14m72c Trehafod Woodfield Colliery Siding 14m59c Hafod Barry Junction BY001 14m34c Gyfeillon Upper 14m25c Gyfeillon Treble Line Junction Lodge 13m72c Gyfeillon Platform 13m70c Gyfeillon Lower Junction 13m45c Chemical Works Lodge 13m45c Coke Ovens Upper Junction 13m26c Rhondda Cutting Junction TV027 13m03c Treherbert Branch Junction, Pontypridd TV001 (1) Ton Pentre from 1936 BLA: end of line - Dunraven Junction THT: Dunraven Junction - Treherbert Branch Junction		BLA THT
TV031	Dunraven Siding datum Bute Road 24m43c end of line Blaencwm 24m27c Dunraven Junction TV030		THT
TV032	Clydach Vale & Pwllyrhebog Branches datum Bute Road 20m17c Clydach Vale Colliery boundary Blaenclydach Colliery 18m11c Pwllyrhebog (Lower) TV030		PYZ
TV033	Maerdy Branch datum Bute Road 22m62c Maerdy Goods 22m46c Maerdy 21m10c Maerdy Branch Junction 20m60c Ferndale 20m57c Ferndale Upper 20m17c Ferndale Lower 19m62c Pendyris Upper 19m19c Pendyris Lower 18m57c Tylorstown Pontygwaith Wattstown Warehouse 17m52c Wattstown Platform 17m41c National 17m13c Ynishir Standard 17m11c Ynyshir 16m64c Ynishir House Ynyshir 16m32c Aber Rhondda 16m13c Rhondda Fach North Junction North TV030		MDY
TV034	Eirw Branch datum Bute Road 15m79c Cymmer Colliery boundary 15m48c Coed Cae Gates 15m08c Eirw Branch Junction TV030		EIW
TV035	Original alignment Rhondda Cutting Junction - Pontypridd datum
TV040	Cardiff & Merthyr Line datum Bute Road 12m40c mile post TV001 12m09c Treforest North Steel Works SB 12m01c Treforest Low Level Treforest South 11m65c Treforest Junction BY002 11m61c Treforest Junction CF001 10m73c Llantrisant Junction North TV042 10m44c Maesmawr SB 10m42c Treforest Estate Branch JunctionTV049 9m58c Treforest Estate station 9m01c Willowford SB 8m23c Yniscoi Treble Line Junction SB 8m12c Taffs Well Siding SB Taffs Well (1st) 7m30c Taffs Well Junction TV048 7m24c Taffs Well (2nd) 7m17c Walnut Tree Junction RR024 [Walnut Tree Viaduct over] 6m29c Pentyrch Crossing 6m20c Gelynis LC 5m31c Radyr Radyr (Panel) Penarth Junction Main SB 5m22c Radyr Junction TV051 5m00c mile post TV050	K1	CAM
TV042	Llantrisant Branch datum Mwyndy Junction Llantrisant Junction North TV040 Llantrisant Junction South 4m76c Tonteg Viaduct Junction TV043 4m23c Church Village Halt 3m48c Llantwit Fardre 2m75c Cwm 2m47c Beddau Halt 2m05c Common Branch Junction East 1m77c Common Branch 1m60c Common Branch Junction West 1m40c Cross Inn 1m04c Maesaraul Junction GW552 LTR: Tonteg Viaduct Junction - Maesaraul Junction		LTR
TV043	GWR Tonteg Diversion datum Mwyndy Junction 5m28c Treforeset Branch Junction BY002 5m20c Tonteg Halt 4m76c Tonteg Viaduct Junction TV042		LTR
TV044	Common Branch 2m31c Llantrisant Common Junction GW551 1m22c Treferig Junction TV045 0m22c Common Branch North Junction TV046 0m00c Common Branch East Junction TV042		COZ
TV045	Treferig Valley Branch (Treferig Valley Railway). 3m78c end of line (Glyn Colliery) 3m26c Treferig 2m21c Castellau Siding 1m22c Treferig Junction TV044		TFZ
TV046	Common Branch Loop Common Branch North Junction TV044 Common Branch Junction TV042		CDZ
TV047	Llantrisant No.1 Branch datum Penarth Curve South Junction 9m71c Common Branch Junction TV042 Crelgiau Colliery 2m70c Waterhall Junction TV051		LTO
TV048	BR 1952 connection to Cardiff Railway datum Bute Road BR 1952 Junction CF001 7m30c Taffs Well Junction TV040		NAN
TV049	Treforest Estate Railway 0m00c Treforest Estate Junction TV040 1m22c end of line		TTB
TV050	Cardiff & Merthyr Line 5m00c mile post TV040 4m41c Llandaff Loop Junction TV059 Llandaff Fourth Line Junction 3m58c Roath Branch Junction TV060 3m06c Maindy Fuel Crown Preserved Siding Crown Preserved Junction 2m34c Maindy North Road Halt 2m34c Maindy Bridge 1m70c Crockherbtown Upper 1m67c Cathays Woodville Road Halt 1M60c Cathays 1m34c Crockherbtown Lower Junction 1m34c Crockherbtown Loop JunctionRR033 1m16c Queen Street North Junction RR032 1m08c Cardiff Queen Street 1m04c Queen Street South Junction 0m69c East Branch Junction GW534 TV062 0m07c Cardiff Docks Platform 0m00c Bute Road CF020	K1	CAM
TV051	Penarth Harbour, Dock & Railway (City Line) datum Cardiff General 4m41c Radyr Junction TV040 3m73c Quarry Junction TV059 3m20c Danescourt 2m70c Waterhall Junction TV047 2m60c Fairwater 2m40c Ely Goods Yard 2m25c Waungron 1m55c Ely Paper Mills 0m69c Leckwith Junction South GW539 0m64c Ninian Park 0m47c Penarth Curve North TV052 0m25c Radyr Branch Junction GW536 RAD: throughout RDY: Radyr Down Yard RPD: Rayr Pre-Assembly Depot Originally miled from Radyr? 1885 OS maps show mile posts from Penarth Junction, most of the distances are unreadable on the old-maps site but it does look as though they are zero from the Radyr Junction end. Radyr Junction was named Penarth Junction at this time.		RAD RDY RPD
TV052	Penarth Curve 0m26c Penarth Curve North TV051 0m00c Penarth Curve South TV053		CPL
TV053	Penarth Harbour, Dock & Railway 0m48c Penarth Curve South TV052 GW536 0m73c Grangetown Station 0m74c Penarth Harbour Branch Junction TV054 1m47c Ely River Bridge [TV] 1m68c Llandough (Upper) 2m10c Llandough Platform 2m17c Llandough Lower 2m25c Penarth Dock Junction TV055 2m29c Cogan Junction TV057 BY020		BRY
TV054	Penarth Tidal Harbour Branch 0m74c Penarth Harbour Branch Junction TV053 Gas Works Siding 1m25c Low Level Junction 1m58c Windsor Slipway 2m29c end of line		PHB
TV055	Penarth Dock (North Side) Branch 2m25c Penarth Dock Junction TV053 Penarth Dock Inner Junction TV056 3m22c end of line		PDK
TV056	Penarth Dock (South Side) Branch Penarth Dock Inner Junction TV055 3m28c end of line		PDK
TV057	Penarth Branch 0m00c Cogan Junction TV053 BY020 0m12c Penarth Dock Station 0m55c Dingle Road 1m09c Penarth Town North Penarth Excursion Platform 1m03c Penarth Town Station 1m39c Alberta Place 2m05c Lower Penarth 2m29c Lower Penarth 2m36c Penarth Cement Works 2m77c Lavernock 3m65c Swanbridge 4m61c Sully 5m41c Biglis Goods Junction TV058 5m65c Biglis Junction BY020		PTH
TV058	Cadoxton Goods Branch Biglis Goods Junction TV057 Cadoxton Goods Biglis Junction BY020		PTH
TV059	Llandaff Loop 4m71c Radyr Quarry Junction TV051 4m41c Llandaff Loop Junction TV050		LDA
TV060	Roath Branch 0m00c Roath Branch Junction TV050 0m48c Roath Line Junction Sidings 2m53c Roath Goods Branch Junction TV061 Docks Storage North junction GW Docks Storage South 4m50c Splott Junction 4m63c Timber Yard LC 4m65c South East Junction 1 GW531 4m70c Clipper Road LC 4m76c Clipper Road Junction 5m06c South East Junction 2 CF013 Compass Road LC 5m38c Cold Stores Road 'A' LC 5m48c Cold Stores Road 'B' LC 5m55c Kings Junction Queen Alexandra Dock Entrance East 5m77c Coastal Road LC 6m12c Longships Road LC 6m29c Queen Alexandra Dock Entrance West ROA: 3m41c - 4m53c CDK2: 4m53c - Clipper Road Junction CDK3: Kings Junction - Alexandra Dock Allocation of Kings Junction to Alexandra Dock ownership uncertain, RCH 1911 shows it as Cardiff Railway and this is supported by1922 OS maps. South East Junction to Kings Junction not on 1922 maps but is on 1941 edition. Presumably built by GWR post grouping and new mileages carried through to Alexandra Dock Entrance.		ROA CDK2 CDK3
TV061	Roath Goods Branch 2m53c Roath Goods Branch Junction TV060 3m16c Roath Goods (Newport Road Goods)		ROZ
TV062	Bute West Dock Branch 0m00c East Branch Junction TV050 0m12c East Bute Dock Junction CF025 0m34c Ballast Crane Siding 0m45c Maloneys Tip Junction 0m66c Bute West Dock		CEB
TV063	Little Dock Branch Line 'G' on Cook map 150. 1880 1:2,500 map shows accessed from down side yard at Bute Road via wagon turntables and flat crossing of passenger line. Disappeared between 1920 and 1941 editions.
TV064	West Yard Branch Line 'H' on Cook map 150. 1880 1:2,500 map shows accessed from down side yard at Bute Road via wagon turntables and flat crossing of passenger line. Disappeared between 1920 and 1941 editions.
TV070	Cowbridge Railway. Aberthaw Branch (Llantrisant [GWR] - Aberthaw Low Level). 0m00c Llantrisant 1m30c Llanharry 2m40c Ystradowen 4m26c Trerhyngyll & Maendy 4m78c Aberthin 5m42c Cowbridge Junction TV072 5m56c Cowbridge 7m12c St Hilary 8m06c St Mary Church Road 9m50c Llanbethery 10m56c St Athan Road 11m42c Aberthaw LL 11m69c end of line (lime works boundary)		ATW
TV071	connection to GWR at Llantrisant datum Paddington via Stroud 181m26c end of line 181m37c Llantrisant 181m43c Ely Valley Junction GW550
TV072	Cowbridge Railway. 5m42c Cowbridge Junction TV070 5m63c Cowbridge Goods (original Station)

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