The Signalling Record Society
ELR to RailRef Correlation - ELR Codes B
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Signal Fact 16
An early form of Block working was introduced to control traffic passing through Box Tunnel by the Great Western Railway in 1847.
Explanation of column content is here.
| ELR | BR-NR | Line Description | RailRef |
|---|---|---|---|
| BAA | yes | Basingstoke - Alton | SW067 |
| BAB | yes | Bethesda - Bangor | NW502 |
| BAC | BAC1 Barrow Hill Colliery Line BAC2 Speedwell Branch BAC3 Clown Branch |
MR780 MR787 |
|
| BAD | yes | Boars Head - Adlington | LU001 |
| BAE | yes | Basingstoke & Exeter | SW120 SW140 |
| BAF | yes | Aberfeldy Branch | HR002 |
| BAG | yes | Birmingham & Gloucester | MR260 GW375 MR270 MR280 |
| BAH | Horbury & Barnsley | LY331 LY332 |
|
| BAI | Bainsford Branch | NB154 | |
| BAK | yes | Barrassie & Kilmarnock Line | GS081 |
| BAL | yes | Brigend & Abergwynfi Line | GW560 |
| BAM | yes | Chapeltown Branch | MR842 MR830 |
| BAN | yes | BAN Baglan Branch | GW586 |
| BAP | yes | Bargoed - Pant | BM001 |
| BAR | Bargoed Loop. Now BDP. | ||
| BAR | Barton-On-Humber Branch | GC152 GC150 |
|
| BAS | Canons Marsh Branch. Now CMH. | ||
| BAS | High Street Goods Branch | NB363 | |
| BAT | Barnton Branch | CA113 | |
| BAU | Bangour Branch | NB204 | |
| BAW | yes | Bristol - Avonside Wharf | MR377 |
| BAY | yes | Bricklayers Arms Branch | SE006 |
| BAZ | Barnstaple Loop | GW242 | |
| BBA | Brinsley Branch | GN203 | |
| BBB | yes | Bolton - Blackburn | LY100 |
| BBC | yes | Bretby Branch | MR185 |
| BBD | yes | Bournemouth West Branch | SW109 SW110 |
| BBE | Bonnybridge Branch | CA492 | |
| BBG | yes | Banbury Branch | GC023 |
| BBH | yes | Bolton Branch | MC011 |
| BBJ | yes | Balham Junction - Beckenham Junction | LB004 SE111 |
| BBK | Billingham Beck Branch | NE554 | |
| BBL | yes | Bennerley - Bulwell | MR643 |
| BBL | Brynmawr and Blaenavon Line. Now BWB. | ||
| BBM | yes | Bletchley - Bedford | NW140 NW141 |
| BBN | yes | Babbington Branch | MR718 |
| BBR | yes | Bognor Regis Branch | LB094 |
| BBS | yes | Blackburn Sidings | LY104 LY104 LY103 LY271 |
| BBW | Bradley Wood Curve | NW823 | |
| BBX | Bedford St Johns West to East | NW142 | |
| BBY | yes | Birstall - Batley | NW832 |
| BBZ | Butts Branch | GW714 | |
| BCA | yes | Bedford - Cambridge | NW140 |
| BCB | yes | Black Carr Junction - Bessacar Junction | JN050 |
| BCC | yes | Bullcroft Colliery Branch | HB028 |
| BCE | yes | Bolsover Colliery Empties | MR |
| BCG | yes | Birmingham Central Goods Branch | MR261 |
| BCH | yes | Balloch Branch | DB001 |
| BCJ | yes | Birmingham Curve | MR187 |
| BCL | yes | Banbury and Cheltenham Branch | GW376 |
| BCM | North Staveley Curve | MR802 | |
| BCN | yes | Bangor - Caernarfon | NW510 |
| BCO | yes | Bentley Colliery, Doncaster | GN280 |
| BCP | yes | Stubbins Junction - Bacup | LY072 |
| BCR | yes | Blackpool Carriage Sidings | PY001 |
| BCS | yes | Bletchley Carriage Sidings | NW116 |
| BCS | British Steel, Corby. See BSC | ||
| BCV | yes | Bordesley Curve - Tyseley | MR256 |
| BCY | Barrow Colliery Branch | ||
| BDB | Bridgwater Dock Branch | GW322 | |
| BDC | yes | Borders Counties Line | NB043 |
| BDD | Dyke Branch | LB091 | |
| BDG | Brechin Branch | CA585 | |
| BDH | yes | Brent Curve Junction - Dudding Hill Junction | MR061 |
| BDL | Barry Docks High Level Lines | BY022 | |
| BDM | yes | Bow Depot | MR023 |
| BDN | yes | Bridge Street Junction - Duston Junction | NW152 |
| BDO | yes | Barry Docks Low Level Line | BY021 BY024 BY025 BY026 |
| BDP | Bargoed Loop | BM031 | |
| BDS | yes | Bidston West Junction - Seacombe | WI013 |
| BDU | yes | Beddau Branch | RR022 |
| BDW | Bond End Branch | MR221 | |
| BDZ | Bwllfa Dare Branch | GW466 | |
| BEA | yes | Barnt Green - Ashchurch Line | MR272 |
| BEB | Beeston to Batley Branch | GN333 GN351 |
|
| BEC | yes | Bevercotes Colliery | GC115 |
| BED | Bestwood Colliery Branch | GC042 | |
| BEE | Bellsdyke Branch | NB258 | |
| BEG | yes | Beggarlee Branch | MR731 |
| BEI | yes | Beighton - Annesley | GC050 |
| BEJ | yes | Buxton - Edgeley Junction | NW770 |
| BEK | Beckermet Branch | FN071 | |
| BEL | Barnstaple East Loop. Now BEP | ||
| BEL | Bedlay Loop | NB341c | |
| BEM | Birkenhead and Bidston | WI002 | |
| BEN | yes | New Brighton Branch | WI001 |
| BEP | Barnstaple East Loop | GW241 | |
| BES | yes | Blaydon to Scotswood | NE430 |
| BEV | Beaufort and Ebbw Vale High Level Line | NW249 | |
| BEW | yes | Beighton Junction - Woodhouse Junction | GC050 |
| BEX | Boscarne Extension. Now BOE | ||
| BEX | yes | Bexleyheath Line | SE021 |
| BEY | Bellshill Branch | CA084 | |
| BEZ | yes | Lynton - Barnstaple | LA001 |
| BFB | yes | Bradford Branch | GW193 |
| BFC | yes | Ipswich Chord | GE246 |
| BFG | yes | Wembley Repair Shop | NW016 |
| BFJ | Buxton Flying Junction | NW771 | |
| BFK | Blackhill Fork | CA368 | |
| BFL | Bradford on Avon Loop | GW192 | |
| BFO | yes | Bletchley Flyover - Fenny Stratford | NW115 |
| BFZ | Briton Ferry Dock Branch | GW586 | |
| BGB | yes | Liverpool Bankfield Goods | LY193 |
| BGC | yes | Strathspey Line | GO033 |
| BGD | yes | Burghead & Hopeman Branch | HR013 |
| BGE | yes | Boldon West Curve | NE618 |
| BGF | Burghead & Hopeman Branch | HR013 | |
| BGG | Burghead Harbour Branch | HR014 | |
| BGH | yes | Brampton & Gas House Branch | MR763 |
| BGK | yes | Bethnal Green - Kings Lynn | GE020 GE040 GE050 GE110 |
| BGL | yes | Bristol & Gloucester | GW370 MR290 MR340 MR370 |
| BGN | yes | Bridgeton Cross Branch | NB365 |
| BGP | Bagthorpe Curve | GN171 | |
| BGS | Bow Goods | GE166 | |
| BGW | yes | Bolton - Worsley | NW660 |
| BGY | Bathgate Goods Branch | NB207 | |
| BHA | Brindle Heath Junction to Agecroft Junction | LY142 | |
| BHB | yes | Bristol Harbour Branch | GW154 |
| BHC | yes | Bignall Branch | NS066 |
| BHD | Boghead Branch | NB241 | |
| BHI | yes | Basford Hall Independent Lines | NW201 NW202 NW203 NW211 |
| BHJ | Buxton to High Peak Junction Line No 2 | NW779 | |
| BHL | yes | Berks & Hants Line | GW086 GW180 GW185 |
| BHM | yes | Barrow Roundhouse Railway Centre | MR775 |
| BHN | Blochain Branch | NB186 | |
| BHP | yes | Boultham Junction - Pyewipe Junction | JN033 |
| BHR | yes | Benhar Branch (Fauldhouse) | |
| BHS | yes | Brighouse Branch | LY295 |
| BHW | Buckland Hollow Branch | MR425 | |
| BIB | yes | Shipley West Junction - Bradford Junction | MR892 |
| BIC | yes | Bishop Aukland - Barnard Castle | NE266 |
| BID | Bideford Goods Branch. Now BFD | ||
| BID | yes | Burntisland Dock Branch | NB491 |
| BIG | Bigrigg Branch | FN075 | |
| BIH | Bird-In-Hand Branch | GW443 | |
| BIK | yes | Bickershaw Colliery Branch | NW640 NW645 |
| BIM | Bilsthorpe Branch | MR624 | |
| BIN | Bingham Branch | GN158 | |
| BIP | Bilson Loop | GW392 | |
| BIR | Birley Colliery Branch | GC361 | |
| BIY | Bishopsgate Yards | GE003 | |
| BIZ | Bicslade Railway | SV017 | |
| BJH | yes | Broadstone - Hamworthy | SW106 |
| BJL | yes | Bamfurlong Junction Line | NW554 |
| BJN | yes | Bromley Junction - Norwood Junction | LB004 |
| BJP | Broadstone Junction to Holes Bay Junction | SW112 | |
| BJR | yes | Bassaleg Junction & Rhymney Line | BM030 |
| BJS | Blackwood & Stonehouse Branch | CA210 | |
| BJT | yes | Broadstone - Templecombe | SD001 SD006 |
| BJW | yes | Bescot Junction - Wichnor Junction | NW383 NW380 NW380 |
| BJZ | Briton Ferry Dock Branch | RS021 | |
| BKB | Benwick Branch | GE087 | |
| BKC | yes | Banbury and Cheltenham Branch Kingham - Chipping Norton |
GW691 |
| BKE | yes | Basingstoke Branch | GW083 |
| BKH | Birkenhead Branch | BJ010 | |
| BKJ | yes | Bolton - Kenyon Junction | NW662 |
| BKL | Blackwell Colliery Branch | GC055 | |
| BKN | Banbury and Cheltenham Line. Now BKC | ||
| BKN | yes | Blackston Branch | NB209 |
| BKS | yes | Brancliffe East Junction - Kirk Sandall Junction | GC230 SY001 |
| BLA | Blaenrhondda Branch | TV030 | |
| BLB | Blackbrook Branch | NW690 | |
| BLC | yes | Blidworth Colliery Branch | GC123 |
| BLE | yes | Barnstaple - Taunton | GW240 |
| BLF | yes | Bensham Curve Junction - Low Fell Sidings Junction | NE426 |
| BLH | Blidworth Colliery | MR626 GC123 |
|
| BLI | yes | Brighton - Littlehampton | LB090 LB092 |
| BLJ | yes | Shepcote Lane East Junction - Broughton Lane Junction | GC343 |
| BLK | yes | Shieldhill & Blackbraes Branches | NB295 |
| BLL | yes | Bristol Loop Line | GC136 |
| BLN | yes | Barkston - Lincoln | GN260 |
| BLP | Barnstaple Loop. Now BAZ | ||
| BLP | yes | Lymington Branch | SW105 |
| BLS | Brightlingsea Branch | GE234 | |
| BLT | yes | Bletchley Sidings | NW116 |
| BLW | yes | Birmingham Loop Line | GW713 |
| BLY | Ballochney Branch | NB302 | |
| BLZ | Brynmenyn Loop | GW557 | |
| BMB | yes | Balirenbathie Branch | NB586 |
| BMC | Barnsley Main Colliery Branch | ||
| BMD | Bristol Bath Road Traction Depot | GW150 | |
| BME | yes | Buckland Junction - Minster Junction | SE090 SE090a |
| BMJ | yes | Blackfriars - Metropolitan Junction | SE002 |
| BMK | Blairmuckhill Branch | NB271 | |
| BML | yes | Bournemouth Main Line | SW001 SW060 SW070 SW100 GW223 GW220 |
| BMM | Brinnington Branch | GC414 | |
| BMN | Bonds Main Branch | MR757 | |
| BMZ | yes | Blackmill Branch | GW562 |
| BNB | Beckton Branch | GE173 | |
| BNC | yes | Brecon Curve | SH005 |
| BND | yes | Brecon - Dowlais | BM001 BM020 |
| BNE | yes | Benton North Junction - Earsdon Junction | NE680 NE732 |
| BNF | Burscough North Fork | LY182 | |
| BNG | yes | Bromley North Branch | SE010 |
| BNJ | Bentley Colliery North Junction to Bentley Colliery Junction | GN281 | |
| BNK | yes | Banbury & Cheltenham Branch | GW732 |
| BNL | Bilson Loop. Now BIP. | ||
| BNL | Brownhill Loop (Flyover) | GS163 | |
| BNN | yes | Bedford - Northampton Junction | MR081 | BNO | Balerno Branch | CA094 |
| BNP | Bonnington Loop | NB120 | |
| BNR | Bonnington Goods | NB124 | |
| BNW | yes | Boldon New Curve | NE619 |
| BNY | yes | Boldon and Tyne Dock Branch | NE390 |
| BNZ | Blaenavon Branch | PT004 | |
| BOC | yes | Bolsover Colliery Branch | MR789 |
| BOD | yes | Bodmin Branch | GW304 |
| BOE | yes | Boscarne Extension | GW305 |
| BOG | Bog Hall Branch | NE540 | |
| BOH | yes | Bowesfield Junction - Harburn Junction | NE552 |
| BOK | yes | Broad Street - Old Kew Junction | NW020 NW060 NW065 NW100 |
| BON | yes | Bottesford - Newark | GN146 |
| BOO | yes | Bowers Row Open Cast | NE158 |
| BOP | Bryn Junction to Pemberton Branch | NW682 | |
| BOR | yes | Boroughbridge Branch | NE202 |
| BOS | Bo'Ness Branch | NB290 NB293 |
|
| BOT | yes | Bothwell Branch | CA154 |
| BOW | Bodmin and Wadebridge Line | SW155 | |
| BOZ | Blaenavon Loop | SL004 | |
| BPA | Bishop Auckland Station | NE294 | |
| BPB | Bargoed Pits Branch | RR013 | |
| BPC | yes | Calverton Colliery Branch | MR648 |
| BPH | yes | Blisworth - Peterborough via Northampton Bridge Street | NW150 |
| BPJ | yes | Lovers Walk Depot | LB070a |
| BPL | yes | Bramley - Low Moor | GN361 |
| BPO | Blyth Power Station | NE709f | |
| BPP | yes | Brewery Junction - Phillips Park West Junction | LY035 |
| BPS | Bristol St Philips Branch | MR376 | |
| BPT | Bridport Branch. Now BRP. | ||
| BPT | Busby Print Works Branch | CA254 | |
| BPW | yes | Bishops Waltham - Botley | SW074 |
| BPZ | Burry Port Engine Shed Line | BP013 | |
| BQB | yes | Balquhidder Branch | CA531 |
| BRA | yes | Braintree Branch | GE211 |
| BRB | yes | Brentford Branch | GW064 |
| BRC | Brodsworth Colliery Branch | WR003 | |
| BRD | yes | Burma Road Branch. | CA419 |
| BRE | Bredisholme Branch | NB360 | |
| BRG | Bradford City Road Goods Branch | GN371 | |
| BRH | Barbush Branch | ||
| BRI | yes | Brocklesby Junction - Immingham Dock | GC150 GC152 |
| BRK | yes | Barnoldswick - Earby | MR895 |
| BRL | yes | Bristol Relief Line | GW151 GW152 |
| BRM | Broom South Curve | MJ007 | |
| BRN | yes | Blantyre Branch | NB357 |
| BRO | yes | Brymbo Branch | GC491 |
| BRP | yes | Bridport Branch | GW222 |
| BRP | Brewery Junction to Miles Platting Junction Curve | LY035 | |
| BRS | Brown's Branch | MR071 | |
| BRT | Brent Branch | ||
| BRW | Brantcliffe West Curve | GC231 | |
| BRX | Broxburn Branch | NB136 | |
| BRY | yes | Barry Line | GW536 TV053 BY020 |
| BRZ | Glannant Siding | GW568 | |
| BSB | yes | Bishops Stortford - Braintree | GE041 |
| BSC | Broom South Curve. Now BRM. | ||
| BSC | yes | British Steel Corby Branch | MR100c |
| BSD | yes | Bescot Sidings | NW345 NW346 NW347 NW348 |
| BSE | Barassie Reversing Spur | GS135 | |
| BSE | yes | Blackwell South Junction - Blackwell East Junction | MR739 |
| BSF | yes | Battersea Pier Junction - Stewarts Lane - Factory Junction | SE102 |
| BSG | Bicester Chord | GW731c | |
| BSH | Bellshill Branch | NB320 | |
| BSJ | yes | Bootle Junction Crossover | NW637 |
| BSK | Burscough South Fork | LY181 | |
| BSL | yes | Bradford Springmill Street | LY305 |
| BSN | yes | Brunthill Branch. | NB038 |
| BSP | yes | Battersea Pier Junction - Pouparts Junction | LB002 |
| BSR | Barrhead Spur | GS194 | |
| BST | Bath Street Branch | ||
| BSW | yes | Bristol & South Wales Union Line | GW130 GW140 GW141 |
| BSY | Busby (or Busbie) Branch | GS090 | |
| BSZ | Bishops Wood Tramway | SV023 | |
| BTB | yes | Barlow Tip Branch Goole - Selby |
NE029 NE030 |
| BTC | yes | Blackheath Junction - Charlton Junction | SE024 |
| BTD | yes | Blyth & Tyne Depot | NE724 |
| BTE | yes | Barking East Loop | MR035 |
| BTG | Bolton Connecting Line | LY089 | |
| BTH | yes | South Bermondsey Junction - Horsham | LB020 LB060 SW012 LB067 LB084 |
| BTJ | yes | Brightside - Treeton Junction | GC340 |
| BTK | Bentinck Colliery Lines | GC052 GC051 MR736 |
|
| BTL | Builth Loop. Now BTP. | ||
| BTL | yes | Brighton - Lewes Junction | LB120 |
| BTN | Blyth and Tyne Line | NE680 NE700 |
|
| BTO | Baton Branch | NB275 | |
| BTP | Builth Loop | NW291 | |
| BTR | Bridgewater Trustees Branch | NW641 | |
| BTS | yes | Willesden Brent Sidings | NW010 |
| BTW | yes | Brockenhurst - Wimborne | SW106 |
| BUB | Burton Branch | NS011 NS012 |
|
| BUC | yes | Buckley - Connah's Quay | GC495 |
| BUF | Burnden Fork Line | LY056 | |
| BUI | yes | Buildwas - Marsh Farm | GW824 |
| BUL | Beddau Loop | RR023 | |
| BUP | Burry Port Canal Branch | BP012 | |
| BUR | Burnbrae Branch | NB420 NB421 |
|
| BUT | yes | Bute Docks Branch | GW532 |
| BUW | Bude Wharf Branch | SW154c | |
| BUX | yes | Buxton - Hindlow | NW772 |
| BUY | yes | Bushbury Branch | GW767 |
| BUZ | Bullo Dock Branch | GW394 | |
| BVB | yes | Blackburn Valley Branch | GC326 |
| BVJ | yes | Banbury - Verney Junction | NW132 |
| BVR | Barnstaple Branch. Now BAZ and BLE. | ||
| BVS | Steyning Line | LB082 | |
| BVZ | Brynmawr and Western Valleys Line | GW511 | |
| BWB | Bridgwater Branch. Now BWZ | ||
| BWB | Brynmawr and Blaenavon Line | NW243 | |
| BWC | yes | Bedlington Junction - Woodhorn Colliery | NE707 |
| BWD | Bestwood Branch | MR647 | |
| BWE | Roghrigg Branch | NB297 | |
| BWJ | Bedlington Junction and Woodhorn Branch | ||
| BWK | yes | Beswick Goods Branch (Manchester) | LY038 |
| BWL | yes | Bowhill Branch | NB644 |
| BWN | Brynmawr and Nantyglo Line | NW242 | |
| BWO | yes | Butterwell Disposal Plant | NE714 NE714f NE735 |
| BWS | yes | Blackhall Branch | NB270 |
| BWT | yes | Barking West Loop | MR034c |
| BWW | yes | Bristol Wapping Wharf Branch | GW156 |
| BWZ | yes | Bridgewater Branch | SD012 |
| BXM | yes | Brixham Branch | GW263 |
| BYB | yes | Bromyard Branch | GW715 |
| BYC | Bedlay Colliery Branch | NB340 | |
| BYE | yes | Bury St Edmunds Yard | GE282 |
| BYF | Blantyre Fork | CA257 | |
| BYK | yes | Bewdley - Kidderminster | GW725 |
| BYL | Berkeley Road Loop. Now BYP. | ||
| BYL | yes | Byrehill Loop | GS148 |
| BYP | Berkeley Road Loop | GW401 | |
| BYS | yes | Beccles - Yarmouth South Town | GE270 |
| BZZ | Bridgwater Wharf Branch | SD013 |
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