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RailRef Line Codes CM

Cambrian Railway

Signal Fact 46

Upper quadrant semaphore signals first appeared in 1911 on the Metropolitan 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.

Published article: Railway Magazine, October 1898, including gradient profiles.

RailRef	Line Detail	SBR	ELR
CM001	Whitchurch - Moat Lane West 0m00c Cambrian Junction NW225 2m71c Fenns Bank 5m23c Peat Moss Siding 6m47c Bettisfield 7m71c Welshampton 10m69c Ellesmere 11m00c Wrexham & Ellesmere Junction CM002 11m60c Ellesmere West Junction CM003 12m68c Frankton 16m17c Whittington High Level 17m07c Tinkers Green Halt 18m02c Oswestry North 18m10c Oswestry Junction CM004 18m16c Oswestry 18m24c Oswestry South 19m53c Weston Wharf 19m63c Weston LC 21m67c Llynclys Junction CM005 23m15c Pant 23m66c Old Junction CM011 24m07c Llanymynech North 24m14c Llanymynech 24m21c Shropshire & Montgomery Junction 24m23c Llanymynech South Junction CM012 25m63c Four Crosses 27m29c Arddleen 29m17c Pool Quay 31m17c Buttington 31m20c Buttington Junction SP001 31m21c Parry Green LC 31m60c Buttington Hall LC 32m27c Buttington LC 32m39c Malt House LC 33m78c Welshpool (1st) 34m79c Coed y Dinas LC 35m50c Glenhafron LC Kilkewydd Bridge Junction 36m45c Fron LC 38m06c Munllyn LC 38m19c Forden 38m20c Forden LC 39m68c Rhydwhimen LC 40m16c Montgomery 41m18c Cherry Orchard LC 42m60c Upper Llegodig LC 43m26c The Bryn LC 43m63c Abermule North LC 43m66c Abermule 43m79c Abermule South 43m75c Kerry Branch Junction CM016 44m04c Court Farm LC 44m63c Red House LC 45m20c Cilgwrgan LC 45m39c Penarth LC 45m59c Penarth House LC 45m72c Penarth 46m34c Pen-y-Gelli No.2 LC 47m57c Newtown (2nd) 47m67c Newtown South 48m23c Newtown Junction CM018 Dulais 49m47c Scafell 50m25c Penstrowed LC 51m18c Ty Mawr Farm LC 51m40c Red House Farm No.1 LC 52m18c Moat Lane (East) Junction CM030 52m28c Moat Lane Junction station 52m42c Moat Lane West Maes Mawr LC 52m51c Moat Lane 52m60c mile post CM040 WBJ: Whitchurch - Buttington Junction PMC: Peat Moss Siding SBA2: Buttington Junction - Moat Lane (52m60c) 1887 OS map shows 13 milepost from Oswestry near Peat Moss Siding and a 14 milepost between there and Fenns Bank. No OS map evidence of the Peat Moss Branch shown by Cooke (map 96) although various tramways From Fenns Bank and around Peat Moss Litter Works do appear.	U1	WBJ PMC SBA2
CM002	Ellesmere Junction - Wrexham Central GCR 0m00c Ellesmere Junction CM001 0m50c Ellesmere North Junction CM003 1m01c Elson Halt 2m40c Trench Halt 4m04c Overton on Dee 5m00c Cloy Halt 7m25c Bangor on Dee 8m45c Pickhill Halt 8m78c Sesswick Halt 10m24c Marchwiel 11m63c Hightown Platform 12m46c Wrexham Central GC490	U2	ELW
CM003	Ellesmere West Junction - Ellesmere North Junction 0m26c Ellesmere West Junction CM001 0m00c Ellesmere North Junction CM002
CM004	Oswestry GWR - Oswestry 18m02c Oswestry GW Junction GW841 18m10c Oswestry Junction CM001		GNQ1?
CM005	Tanat Valley Line 0m00c Llynclys Junction CM001 0m60c Trefonen Branch Junction 0m66c Porthywaen Branch Junction CM007 1m04c Porthywaen 1m07c Porthywaen LC 1m16c Porthywaen School LC 2m25c Blodwell North Junction CM010 2m40c Blodwell Junction 2m49c Blodwell South Junction CM013 3m17c Llanyblodwell 4m31c Glanyrafon 5m51c Llansilin Road 7m20c Llangedwyn 9m16c Pentrefelin 10m42c Llanrhaiadr Mochnant 11m51c Pedair Ffordd 13m28c Penybontfawr 15m71c Llangynog 15m76c end of line GNQ2: Llynclys Junction - 2m38c GNQ5: 2m45c - end of line	U3	GNQ2 GNQ5
CM007	Porthywaen Branch Junction - Porthywaen, datum Llynclys Junction 0m66c Porthywaen Branch Junction CM005 0m78c Porthywaen		POH
CM010	Blodwell Junction - Nantmawr, datum Llanfyllin Branch Junction 2m51c Blodwell North Junction CM005 3m70c Nantmawr		GNQ3
CM011	Rock Sidings & Old Llanfyllin Branch, datum Whitchurch Cambrian Junction 23m66c Llanymynech Old Junction CM001 24m01c Rock Sidings 25m16c Llanymynech Curve Junction CM012		ROK
CM012	Llanymynech South Junction - Llanfyllin 0m00c Llanymynech South Junction CM001 Caree & Hofa 0m61c Llanfyllin Branch Junction CM013 1m17c Llanymynech Curve Junction CM011 3m07c Llansantffraid 4m64c Llanfechain 6m53c Bryngwyn 8m41c Llanyfyllin 8m44c end of line LFB: Llanymynech Curve Junction - end of line	U4	LFB
CM013	Nantmawr Branch datum Llanymynech South Junction 0m61c Llanfyllin Branch Junction CM012 2m32c Blodwell South Junction CM005
CM014	1992 Welshpool Deviation		SBA2
CM015	Welshpool & Llanfair Light Railway 0m00c Welshpool 0m34c Seven Stars 0m76c Raven Square 1m46c New Drive LC 2m67c Golfa 2m71c Cwm Lane LC 3m54c Sylfren Halt 4m35c Coppice Lane LC 4m61c Castle Caereinion 4m64c Castle Caereinion LC 5m05c Dolarddwyn 5m35c Dolarddyn LC 6m01c Hydan Fawr LC 6m57c Cyfronydd 6m59c Cyfronydd LC 7m55c Heniarth 7m55c Heniarth LC 9m04c Llanfair Caereinion 9m05c end of line 0m78c - 9m05c now Welshpool & Llanfair Light Railway Preservation Co Ltd.
CM016	Kerry Branch 0m00c Kerry Branch Junction CM001 0m09c Abermule 1m28c Ffronfraith 2m29c Goitre Halt 3m59c Kerry 3m62c end of line		KER
CM018	Newtown Goods Depot (Newtown 1st) 0m00c Newtown Junction CM001 0m22c Newtown Goods
CM030	Moat Lane East - Talyllyn Junction No.2 B&M datum Whitchurch Cambrian Junction 52m18c Moat Lane Junction CM001 52m28c Moat Lane Junction station 54m33c Llandinam 57m15c Dolwen 59m65c Llanidloes North 59m76c Llanidloes 61m62c Pentpontbren Junction CM031 63m14c Tylwch 64m65c Glan-yr-Afon 67m09c Pany-y-Dwr 68m37c St Harmons 71m14c Marteg Halt 73m66c Rhayader 74m33c Elan Valley Junction CM032 CM033 77m08c Doldowlod 81m15c Newbridge on Wye 84m79c Builth Road Low Level Junction NW291 85m12c Builth Road 86m59c Builth Wells 88m53c Llanfaredd Halt 90m61c Aberedw 92m00c Tircelyn 93m41c Erwood 95m64c Llanstephan 97m60c Boughrood & Llyswen Halt 100m44c Three Cocks 100m50c (40m52c) Three Cocks Station Junction CM034 102m75c (42m77c) Talgarth 105m27c (45m30c) Trefeinon 107m09c (49m10c) Llangorse Lake Halt 107m78c (49m79c) Talyllyn No.1 North Junction CM035 107m79c CR-B&M boundary BM003 Mile post mileages in brackets are taken from sheet 57 (1923) of the LMSR (ex Midland Railway) Distance Diagrams, datum Llanidloes.	U5	MLT
CM031	Penpontbren Junction - Llangurig 0m00c Pentpontbren Junction CM030 4m68c Llangurig		LWZ
CM032	Elan Valley Junction - Pen-y-Garreg 74m33c Elan Valley Junction CM030 Pen-y-Garreg
CM033	Elan Valley Branch to Caban Coch 74m33c Elan Valley Junction CM030 Caban Coch
CM034	Three Cocks Junction - Glasbury Junction MR 0m00c Three Cocks Junction CM030 0m06c Three Cocks 0m34c Glasbury Junction MR390		TCJ
CM035	Talyllyn Junction No.1 - Talyllyn Junction No.3 B&M 107m78c Talyllyn North Junction CM030 108m32c Talyllyn East Junction BM001		TYL
CM040	Whitchurch & Aberystwyth datum Cambrian Junction 52m60c mile post CM001 52m70c Llanidloes Road LC 53m11c Football Field LC 53m19c Van Branch Junction CM041 53m31c Caersws LC 53m34c Caersws 54m10c Bridge 172 LC 54m26c Weig Lane LC 54m50c Criagfryn LC 55m02c Pontdolgoch 55m50c Neuadd LC 55m78c Plasau Clatter No.1 LC 56m08c Clatter Crossing 57m15c Oerffrwyd LC 57m76c Plas Newydd LC 58m72c Post Office No.1 LC 58m73c Post Office No.2 LC 59m14c Carno 59m17c Carno LC 59m72c Sarn LC 60m35c Pikins LC 60m50c Tyddyn-y-Pwll LC 60m78c Rallt LC 61m25c Ystrad Fawr LC 61m27c Talerddig 63m05c Ty'n-yr-Wtre LC 63m13c Caetwpa LC 63m34c Old Chapel LC 64m06c Coed Cae LC 64m56c Llanbrynmair 64m58c Llanbrynmair LC 65m36c Pentre Mawr LC 65m57c Ty Pella LC 66m10c Mywars No.2 LC 66m49c Durn LC 68m14c Commins Coch Halt 70m01c Cemmes Road CM042 70m05c Cemmes Road LC 74m05c Llanglan Fechan No.2 LC 74m54c Llanglan Fechan No.4 LC 74m77c Machynlleth East 75m11c Machynlleth 75m15c Machynlleth West 75m70c Rhosfach LC 76m15c Nawlyns LC 76m50c Rhiwlas Hall No.2 LC 76m78c Rhiwlas Hall No.4 LC 77m13c Doldyfi LC 77m44c Quay Ward No.1 LC 77m61c Quay Ward No.2 LC 77m66c Derwenlas Siding 77m71c Quay Ward No.3 LC 78m08c Quay Ward No.4 LC 78m74c Dovey Junction CM050 79m03c Dovey Junction station 79m60c Glandyfi Brickyard No.3 LC 85m17c Ynyslas 85m21c Ynyslas LC 85m38c Ynyslas Junction CM045 86m04c Aberleri LC 87m28c Borth 87m59c Borth Capel Soar LC 89m58c Llandre LC 89m61c Llandre 90m64c Pant y Peron LC 91m28c Bow Street 94m57c Llanbadarn Crossing 95m49c Aberystwyth Junction GW663 95m59c Aberystwyth	U1	SBA2
CM041	Van Branch 0m00c Van Branch Junction CM040 2m02c Trewythan Goods 2m58c Red House 4m07c Trefeglwys 5m09c Cerist 6m13c Garth & Van Road 6m47c end of line		VAN
CM042	Mawddwy Branch 0m00c Cemmes Road 0m04c connection to main line 1m42c Cemmes 4m06c Aberangell 5m55c Mallwyd 6m63c Dinas Mawddwy		DML
CM043	Corris Railway Not part of the Cambrian Railway, moved to Corris Railway CR001
CM044	Corris Railway Branch to Abercwmeiddaw Quarry Not part of the Cambrian Railway, moved to Corris Railway CR002
CM045	Ynyslas Timber Creosoting Siding Ynyslas Junction CM040 Aberdovey Ferry
CM050	Dovey Junction - Pwllheli datum Whitchurch Cambrian Junction 78m74c Dovey Junction CM040 79m03c Dovey Junction station 79m53c Ynys LC 80m54c Gogarth Halt 82m29c Abertafol Halt 84m08c Penhelig 84m75c Penrhos LC 84m76c Harbour Junction CM051 85m02c Aberdovey 85m38c Treffeddian LC 86m05c Cemetary LC 86m38c Dyffryn LC 86m47c Dafydd LC 86m64c Rhowniar LC 87m21c Coethie Farm LC 88m57c Towyn / Tywyn 89m09c Sandilands LC 91m06c Tonfanu LC 91m09c Tonfanu 92m72c Ty'n Llan No.1 LC 93m22c Ty'n Llan No.3 LC 93m24c Llangelynin 94m04c Bronnant LC 94m40c Gorshwen 2 LC 94m42c Allens LC 94m72c Henblas LC 95m19c Llwyngwril 95m21c Borthwen Farm LC 96m19c Bont-y-Clettwr LC 97m70c Fairbourne LC 97m72c Fairbourne 98m64c Barmouth South Junction CM055 99m00c Barmouth Junction 99m05c Barmouth North Junction CM054 100m44c Barmouth South LC 100m45c Barmouth 102m14c Llanaber Halt 104m37c Talybont Halt 105m04c Bennar Fawr LC 105m50c Dyffryn on Sea (1) 105m54c Llwyn Cadwgan LC 107m67c Talwrn Bach LC 107m68c Talwrn Bach Halt 108m41c Pensarn LC 108m45c Llanbedr & Pensarn 108m51c Pensarn North LC 108m72c Ymlwch LC 109m16c Llandanwg LC 109m17c Llandanwg Halt 110m79c Harlech Morfa LC 111m30c Harlech 111m35c Morfa No.1 LC 113m55c Tygwyn Halt Tygwyn LC 114m43c Talsarnau Talsarnau LC 115m63c Llandecwyn Halt 116m36c Hafod-y-Wern LC 116m47c Penrhyndeudraeth 116m54c Penrhyndeudraeth Station LC 117m58c Minfford Tramway Crossing 118m14c Minffordd Quarry LC 119m41c Traethmawr LC 119m61c Gorseddau Crossing CM056 119m73c Porthmadog LC 119m77c Portmadoc 122m42c Coed-y-Llyn No.1 LC 123m23c Porth Hir LC 123m38c Black Rock Halt 124m28c Merllyn LC 124m55c Maes LC 124m74c Criccieth 128m18c Afon Wen 128m24c Afon Wen Junction CM057 129m30c Penychain 130m77c Abererch 130m78c Abererch LC 132m13c Pwllheli East Junction CM058 132m31c Pwllheli Goods LC 132m70c Pwllheli (2nd) (1) now Dyffryn Ardudwy Article: Railway Magazine 1962 March.	U6	DJP
CM051	Aberdovey Harbour Branch 0m37c Aberdovey Harbour 0m28c Landing Stage Junction CM052 0m00c Harbour Branch Junction CM050
CM052	Aberdovey Landing Stage Branch datum 0m34c Aberdovey Landing Stage 0m28c Landing Stage Junction CM051
CM054	Dolgelly Branch 44m65c CR / GWR boundary GW844 46m52c Penmaenpool 51m18c Arthog 52m01c Barmouth East Junction 52m16c Barmouth Junction station 52m23c Barmouth North Junction CM050	U7	RUA
CM055	Barmouth Junction East - Barmouth Junction South 0m00c Barmouth East Junction CM054 0m22c Barmouth South Junction CM050
CM056	Bedgellert Siding Bedgellert Siding 0m00c Gorseddau Crossing CM050
CM057	Connection to LNWR at Afon Wen 128m24c Afon Wen Junction CM050 128m38c CR - LNWR boundary NW512
CM058	Pwllheli - Original Station 132m13c Pwllheli East Junction CM050 Pwllheli (1st)
CM080	Vale of Rheidol Light Railway 0m00c Aberystwyth 0m18c Harbour Branch Junction CM081 1m14c Llanbadarn Halt 1m17c Llanbadarn LC 2m02c New Glanyrafon LC 2m28c Glanyrafon Halt 3m03c Lovesgrove Halt 4m49c Capel Bangor 4m53c Capel Bangor LC 5m34c Tanyrallt LC 6m55c Nantyronen LC 6m58c Nantyrdwen Halt 7m53c Aberffrwd 7m55c Aberffrwd LC 9m15c Rheidol Falls Halt 10m65c Rhiwfron 11m70c Devil's Bridge		VOR
CM081	Vale of Rheidol Light Railway - Harbour Branch 0m00c Harbour Branch Junction CM080 0m42c end of line		ABH

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