Engineer's Line References (ELRs)

A (hopefully) comprehensive listing

Codes beginning D

Last update 21 March 2021

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Please select a starting letter from the links below:

ELR Line name Mileages Datum Notes
DAC Exeter and Devonport Line (Devon and Cornwall Line) 173.50 - 230.13 Waterloo Now includes SBX
DAE Darlington and Eastgate-In-Weardale Line see separate portions
DAE1 Darlington Park Gate Junction to Shildon South Junction 0.00 - 8.28 Park Gate Junction
DAE2 Shildon South Junction to Wear Valley Junction mileage change 8.28 - 31.42 Park Gate Junction
DAE3 Wear Valley Junction to Eastgate 0.00 - 15.79 Wear Valley Junction
DAE4 Eastgate to Wearhead 15.79 - 22.03 Wear Valley Junction
DAK Dalry and Kilmarnock Branch 23.06 - 33.44 Bridge Street Station
DAL Dalmonach Branch 0.00 - 0.62 Jamestown Junction Near Balloch
DAM Dawsholm Branch (Glasgow Maryhill Park) ?? - ?? Siding, listed as LNER but main Dawsholm branch was LMS. Duplicates DAW
DAN Danygraig Depot 46.22 - 46.71 Taff Vale Extension Junction
DAP Dalton Junction to Park South Junction Curve (Barrow avoiding line) 0.00 - 0.76 Dalton Junction
DAS Darvel and Strathaven Branch
DAS1 Hurlford to Darvel (structure 45) 35.62 - 47.41 Bridge Street Station via Dalry
DAS2 Darvel to Stonehouse junction with SML 47.41 - 54.27 Bridge Street Station via Dalry
DAU Daubhill Coal Branch (Rumworth & Daubhill) 8.16 - 8.66 Kenyon Junction
DAW Dawsholm Branch (Glasgow Maryhill Park) ?? - ?? Paper Works
DAZ Dare Branch/Cwmaman Branch 0.00 - 5.29 Gelli Tarw Junction
DBA Durham & Bishop Auckland Line 0.00 - 10.20 Bishop Auckland
DBB Denbigh Branch 0.00 - 18.55 junction with VOC near Denbigh
DBK Dumbuck Branch 0.00 - 0.21 Branch Junction
DBM Dunstable Branch Midland Region (Leighton Buzzard to Dunstable) 0.00 - 6.67 Leighton Buzzard
DBN Dumbarton South Goods Depot Branch 115.56 - 116.02 Carlisle via Rutherglen Glasgow Central Low Level and Old Kilpatrick
DBP Derby to Birmingham (Proof House Junction) Line see separate portions
DBP1 Derby to Kingsbury Junction 0.00 - 29.39 Derby
DBP2 Kingsbury Junction to Water Orton 29.39 - 33.23 Derby
DBP3 Whitacre Junction to Proof House via Water Orton 31.69 - 41.59 Derby via Whitacre Junction
DBS Dudley Hill (Barrets Siding) ?? - ??
DBZ Dimbath Branch 0.00 - ≈0.77 Dimbath Junction Never completed
DCB Dundonald Colliery Branch (Cardenden) 0.00 - 1.02 Glencraig Junction
DCF Down Cambridge Flyover 32.53 - 34.05 Kings Cross
DCG Dalry Connecting Branch 0.46 - 1.04 Princes Street
DCL Didcot and Chester Line 53.00 - 143.01 Paddington via Didcot
DCW Dawsholm Castle Chemical Works Branch (Glasgow Maryhill Park) ?? - ??
DDB Devonport Dockyard Branch ≈247.42 - 249.40 Paddington via Box and Plymouth Millbay (reverse) Formerly DYK
DDF Dundee Broughty Ferry to Forfar North Junction Line 0.39 - 17.43 Broughty Ferry Pier
DDN Dundee Ninewells Junction to Ardler Junction Line 0.00 - 16.13 Ninewells Junction
DDS Dr Day's Sidings 0.26 - 0.47 Bristol Temple Meads
DDY Doncaster Down Yard 154.13 - 155.28 Kings Cross
DEB Deanside Branch 0.00 - 0.38 Junction with CND1
DEC Didcot East Curve 52.69 - 53.71 Paddington
DEE Chapeltown Branch 166.02 - 166.36 St Pancras
DEH Delph Branch 0.00 - 1.52 Greenfields Junction
DEL Delburn Branch 0.00 - 1.21 Motherwell South Junction
DEM Denham and Uxbridge Branch 0.00 - 2.03 Denham West Junction Formerly DUX
DEN Denaby Branch 0.00 - 11.43 Wrangbrook Junction
DER Derwent Branch 4.13 - 10.16 Maryport with reversal at Bulgill
DET Dechmont Briquette Works Branch (Newton) 0.00 - 1.67 Newton 70c to Dechmont Colliery, a further 77c to Loanend Colliery
DEU Delburn Branch 0.00 - 0.40 Motherwell South Box Branch serving Delburn Engineering Works and Glasgow Rolling Stock Works
DEW Dewshill Branch 0.00 - 2.25 Dewshill Branch Junction Off Salsburgh branch Caledonian Railway
DEX Derbyshire Extension Branch 123.72 - 154.51 Kings Cross Part formerly NGC2
DEY Denny Branch 0.00 - 4.05 Denny Branch (North) Junction
DFD Dover Ferry Dock Junction to Dover Old Train Ferry Dock (Dover Pier Goods Branch) 77.72 - 78.03 Victoria via Herne Hill
DFN Dufftown Branch (Keith) 53.05 - 64.13 Aberdeen
DFS Dingwall Fodderty Junction to Strathpeffer Line 2.31 - 5.19 Dingwall
DGB Deansgate Goods Branch 0.00 - 0.26 Castlefield Junction
DGD Devonport (Kings Road) Goods Branch 0.00 - 0.21 Devonport Goods Junction
DGL Durham Goods (Belmont) Branch 0.00 - 2.19 Belmont Junction
DGW Dalmarnock Gasworks Branch (Glasgow London Road/Bridgeton Goods) ?? - ??
DGZ Devonport (Albert Road) Goods Branch 248.22 - 248.43 Paddington via Box, Plymouth Millbay (reverse) and Devonport (reverse)
DHB Darras Hall Branch 0.00 - 1.21 Ponteland Junction
DHF Denbigh Hall Flyover 0.68 - 1.71 Bletchley Flyover Junction
DIC Dinnington Colliery Branch 3.16 - 4.27 Brancliffe East Junction
DIG Digby Branch 127.69 - 128.39 St Pancras via Toton
DIL Dillichip Branch 0.00 - 0.29 Alexandria Junction
DIY Diggle Colliery Branch 0.00 - 0.70 Pennington South Junction West Leigh Junction to Diggle Colliery
DJD Denton Junction to Dukinfield Line 4.13 - 5.19 Heaton Norris Junction
DJH Daisyfield Junction and Hellifield Line 11.09 - 34.66 Farington Curve Junction
DJL Dolphinton Junction to Leadburn Branch [Caledonian route] 0.00 - 10.75 Dolphinton Junction
DJL1 Dolphinton Junction to Leadburn Branch [North British route] 0.00 - 9.71 Leadburn Junction
DJM Dubton to Montrose Branch 0.00 - 2.79 Dubton Junction
DJN Duckmanton No 7 Railway 0.10 - 0.20 Duckmanton North Junction to Duckmanton East Junction
DJO Denton Junction to OA&GB Junction Spur see separate portions
DJO1 Denton Junction to Crowthorne Junction 4.10 - 5.28 Heaton Norris Junction
DJO2 Crowthorne Junction to OA&GB Junction 0.53 - 1.50 Stockport Junction, Guide Bridge
DJP Dovey Junction to Pwllheli 78.60 - 132.70 Whitchurch Briefly also marked in km from Sutton Bridge Junction; ERTMS signalling system still uses km
DJR Duckmanton No 8 Railway ?? - ??
DJR1 Duckmanton No 6 Railway ?? - ?? Duplicates DMJ
DJR2 Duckmanton No 7 Railway ?? - ?? Duplicates DJN
DJW Duffield Junction to Wirksworth Quarry Branch 132.79 - 142.26 St Pancras
DKS Various Docks lines see separate portions
DKS1 Newport Alexandra Docks n/a n/a Code only used to identify 'Docks'
DKS2 Cardiff Docks n/a n/a Code only used to identify 'Docks'
DKS3 Barry Docks n/a n/a Code only used to identify 'Docks'
DKS4 Port Talbot Docks n/a n/a Code only used to identify 'Docks'
DKS5 Swansea Docks n/a n/a Code only used to identify 'Docks'
DKS6 Millbay Docks/Plymouth Docks Branch n/a n/a Code only used to identify 'Docks'
DLA Dowlais Loop 0.00 - 0.17 Dowlais Loop Junction Formerly DLZ1
DLB Barrow Dock Loop 0.00 - 0.20 St Lukes Junction
DLN Dalmellington Branch 52.70 - 54.49 Bridge Street Station via Dalry
DLO Darnall Depot 0.00 - 0.70 Woodburn Junction
DLR Dunure Light Railway 42.26 - 62.01 Bridge Street Junction
DLS Duddeston Junction to Lawley Street Sidings Branch 40.38 - 41.19 Derby
DLT Duffryn Llynvi and Porthcawl Tramway ?? - ??
DLY Dursley Branch 105.38 - 108.02 Derby
DLZ Dowlais Loop 25.58 - 25.75 Abergavenny Junction Formerly DLZ2
DLZ Dowlais Loop see separate portions
DLZ1 Dowlais Loop Now DLA
DLZ2 Dowlais Top Junction Now DLZ
DMB Douglas and Muirkirk Branch 0.00 - 19.20 Smyllum East Junction
DMJ Duckmanton No 6 Railway 0.18 - 0.21 Duckmanton South Junction
DML Dinas Mawddwy Light Railway/Mawddwy Branch 0.00 - 6.63 Cemmes Road
DMP Dewsbury Market Place Branch 41.14 - 42.29 Manchester Victoria via Rochdale
DMY Dalmeny Line (Winchburgh to Dalmeny) 34.53 - 39.06 Glasgow Queen Street High Level
DNB Dornoch Branch 0.00 - 7.51 The Mound Junction
DNC Derby North Curve 128.10 - 128.33 St Pancras
DNG Drinnick Mill Goods Branch 291.31 - 291.60 Paddington via Box and Plymouth Millbay (reverse)
DNJ Dalry and North Johnstone Line 9.79 - 21.10 Bridge Street Station
DNS Dunston Staithes (New Side) Branch 0.00 - 0.70 Norwood Junction
DNT Darlington to Tebay Line 0.00 - 49.75 Hopetown Junction
DOA Doura Branch 0.30 - 5.50 Dubbs Junction
DOC King's Lynn Docks Branch 0.00 - 0.45 junction with KLY
DOE Doe Lea Branch and Extension 0.00 - 2.41 Pleasley Colliery West Junction
DOG (Former) Loco Sidings under Dog's Home Viaduct 1.00 - 1.23
DOI Deans Oil Works Branch 0.00 - 0.20 13ch west of Livingston station
DOK Dock Storage South Junction to Kings Junction 4.26 - 5.60 Roath Branch Junction Now in ROA
DOL Doncaster and Leeds Line see separate portions
DOL1 Doncaster Marshgate Junction to Wakefield 175m 32ch 156.28 - 175.32 Kings Cross Note that the 1967 rebuilding at Leeds makes it difficult to give exact definitions for this line
DOL2 Wakefield 175m 32ch to Leeds 175.32 - 185.70 Kings Cross Extended in 2001 from 185.05. Now includes DOL3 and LWW. Note that the 1967 rebuilding at Leeds makes it difficult to give exact definitions for this line
DOL3 Closed Line 185.03 - 185.57 Kings Cross Now in DOL2. Note that the 1967 rebuilding at Leeds makes it difficult to give exact definitions for this line
DOL4 Gelderd Road Junction to Leeds West Junction 40.76 - 42.47 Manchester Victoria via Huddersfield Note that the 1967 rebuilding at Leeds makes it difficult to give exact definitions for this line
DOV Dovecliffe Colliery Branch 9.76 - 13.77 Woodend Junction Sheffield off SMC
DOW Dowlais Works Branch ?? - ?? Dowlais Works Junction
DOW Doncaster and Wrawby Junction Line 0.00 - 33.34 Doncaster Marshgate Junction
DPB Dowlais Pits Branch 15.46 - 15.72 Cardiff Bute Road
DPH Dyce to Peterhead Branch 6.07 - 44.22 Aberdeen
DPJ Dudley Junction to Pleck Junction Line 0.00 - 5.42 Dudley Junction
DPS Didcot Power Station 0.000km - 3.127km Foxhall Junction
DPZ Dartmoor and Plymouth Railway 243.15 - 245.21 Paddington = Lee Moor Tramway ??
DQB Dunduff Quarry Branch 0.00 - 2.20 Blackwood (Lanarkshire)
DQN Dalquhurn Branch 17.46 - 18.21 Glasgow Queen Street High Level via Cowlairs and Maryhill
DRA Drax Power Station Branch see separate portions
DRA1 Drax Power Station Approach Tracks 0.00 - 4.40 Drax Branch Junction
DRA2 Drax Power Station MGR Loop 4.40 - 6.23 Drax Branch Junction
DRF Drumbowie Fork 0.00 - 0.26 Bellside Junction
DRM Drumpeller Branch 0.00 - 0.19 Drumpeller Railway Junction
DRN Waterloo and City Line 0.00 - 1.46 Waterloo The Drain
DRO Droppingwell Colliery Branch 0.00 - 1.72 Grange Lane
DRS Dewsbury Railway Street Goods Yard Branch see separate portions
DRS1 Dewsbury East Junction to 0m 14ch 0.00 - 0.14 Dewsbury East Junction
DRS2 Dewsbury 0m 14ch to mileage change 0.14 - 0.27 Dewsbury East Junction
DRS3 Mileage change to Dewsbury Railway Street Goods Yard 0.00 - 0.76 Mileage change
DRT Dalricket Branch 0.00 - 2.31 Creach Junction From Knockshinnoch Colliery Branch, New Cumnock
DRU Drumbowie Branch 0.00 - 4.59 Drumbowie Junction
DSB Dumfries Branch 25.70 - 40.47 Carlisle
DSC Douglas Colliery Branch ?? - ?? Douglas station
DSD Dinting South Junction to Dinting East Junction Curve 0.72 - 1.05 Glossop
DSE Deal Street and Edge Hill Line 1.57 - 31.12 Liverpool Lime Street
DSF Denver to Stoke Ferry Line 1.56 - 8.65 Downham Market
DSK Denny South Fork 108.77 - 109.24 Carlisle via Ravenscraig No 1
DSN Darlington and Saltburn Line see separate portions
DSN1 Darlington South Junction to Eaglescliffe South Junction 0.29 - 8.58 Darlington 8.58 - 10.13 is LEN3
DSN2 Stockton Cut Junction to Redcar mileage change 10.13 - 21.72 Darlington 8.58 - 10.13 is LEN3 (some structures carry both references)
DSN3 Redcar mileage change to Saltburn 22.16 - 27.57 Darlington
DSN4 Saltburn to former end of line 27.57 - 27.62 Darlington
DSO Dunston Staithes (Old Side) Branch 0.00 - 0.72 Norwood Junction
DSS Down Side Sidings, Euston 0.29 - 0.49 Euston
DST Dewsbury Saville Town Branch 185.44 - 188.07 St Pancras
DSW Springburn Branch (Springburn to Barnhill) 102.58 - 103.46 Carlisle via Whifflet Sighthill East Junction to Port Dundas West Junction
DSY Down Sidings, Westbury 109.70 - 110.13 Paddington via Melksham
DTD Dufftown Distillery (Mortlach) Branch ?? - ??
DTE Dufftown to Elgin via Craigellachie Line 64.13 - 80.24 Aberdeen
DTL Derby to Leeds Line 194.37 - 195.01 St Pancras Hunslet Goods Junction to Hunslet Lane Goods
DUB Dunyston Colliery Branch 4.54 - 5.76 Drumbowie Junction From Dunsyston Junction
DUH Dudley Hill Branch 190.57 - 192.33 Kings Cross via Birkenshaw Line
DUN Dunball Wharf Branch 148.77 - 149.33 Paddington via Box
DUR Durston Loop 135.02 - 137.29 Paddington via Melksham
DUX Denham and Uxbridge Branch Now DEM
DUY Decoy Yard (Doncaster Up Yard) 153.69 - 155.34 Kings Cross
DVA Dearness Valley Branch ?? - ??
DVB Dare Valley Branch 23.65 - 26.20 Cardiff Bute Road
DVL Darvel Branch 35.62 - ?? Glasgow Bridge Street via Dalry
DVR Dearne Valley Railway see separate portions
DVR1 Crofton West Junction to Bessacarr Junction 49.49 - 71.51 Manchester Victoria
DVR2 unknown ?? - ??
DVR3 Spur 70.00 - 70.58 Manchester Victoria
DWC Didcot West Curve 0.00 - 0.33 Foxhall Junction
DWF Deptford Wharf 0.00 - 1.43 New Cross Gate Substructures. Listed to 2.47
DWS Dore West Junction to Dore Station Junction Curve 0.00 - 0.60 Dore West Junction
DWW Dalston Kingsland Hackney Wick and North Woolwich Line see separate portions
DWW1 Dalston Junction to Navarino Road 1.52 - 2.22 Broad Street, extended back from Dalston Western Junction Line remiled from 15 June 1986 to give continuous mileage run
DWW2 Navarino Road to North Woolwich 1.11 - 8.57 Liverpool St, extended back from Stratford South Junction Line remiled from 15 June 1986 to give continuous mileage run
DWY Doncaster Wood Yard 154.52 - 155.08 Kings Cross
DYK Devonport Dockyard Branch Now DDB
DYK Dykehead Branch 0.00 - 4.19 Dykehead Branch Junction
DYL Dykehead Loop 0.00 - 0.36 Langdale Exchange Sidings, Greengairs To Dykehead branch at 3.06
DYZ Dynevor Junction to Cardonnel East Junction 19.23 - 19.44 R&SB Junction