Engineer's Line References (ELRs)

A (hopefully) comprehensive listing

Codes beginning O

Last update 26 May 2021

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Please select a starting letter from the links below:

ELR Line name Mileages Datum Notes
OAG Oldham Ashton and Guide Bridge Line see separate portions
OAG1 Guide Bridge Junction to Crowthorne Junction (OA&GB) Line 0.11 - 0.53 Guide Bridge
OAG2 Ashton East Junction to Oldham Clegg Street (OA&GB) Line 1.54 - 5.51 Guide Bridge
OAJ Oakenshaw Junction to Oakenshaw South Junction Curve 48.76 - 49.41 Manchester Victoria via Rochdale and Wakefield Kirkgate
OAU Audenshaw West Junction to Canal Junction (OA&GB) Line 0.00 - 0.28 Audenshaw West Junction
OAW Over and Wharton Branch 0.00 - 1.06 Winsford Junction
OBA Dunblane to Crianlarich Line (Oban Branch) 0.00 - 10.29 Dunblane
OBN Oban Line see separate portions
OBN1 Crianlarich Junction to Crianlarich Lower Junction 0.00 - 0.44 Crianlarich Junction
OBN2 Crianlarich Lower Junction to Oban 30.23 - 71.45 Callander
OBS Oakbank Siding 0.00 - 0.39 Oakbank Junction Near Midcalder Junction
OCB Ollerton Colliery Branch 19.00 - 19.03 Chesterfield Market Place = OLC?? Route thought to be about 1.17 long
OCD Ordsall Chord 190.05 - 190.34 Euston
OCL Orchardhall Branch (Grangemouth) 1.44 - 2.76 Swing Bridge Junction
OCR Oakley to Comrie Branch 0.00 - 2.57 Oakley (Fife) Oakley to Oakley Colliery
OCZ Old Carway Branch 0.00 - 1.25 Old Carway Junction
ODT Middlesbrough Old Town Branch 0.00 - 1.31 Old Town Junction
OFB Orbliston to Fochabers Branch 0.00 - 3.00 Orbliston
OFF Off Track Assets see separate portions
OFF1 Manchester area 0.00 - 0.16 n/a
OFF2 Preston area 0.00 - 0.00 n/a
OFF3 Liverpool area 0.00 - 0.00 n/a
OGD Ormiston to Gifford Line (Gifford and Garvald Light Railway) 0.00 - 9.25 Ormiston Junction
OGI Ogilvie Colliery Branch 20.34 - 20.70 Cardiff East Dock
OGM Ogmore Branch/Nantymoel Branch 0.00 - 7.18 Tondu Middle Junction 0.00 - 2.56 formerly BMZ. Line re-miled: Datum = Copper Works Junction after 1950
OJS Otford Junction and Sevenoaks Line 24.54 - 26.61 Victoria via Herne Hill
OJW Oakmoor Junction to Oakmoor Wharf Line ?? - ??
OKY CEN Temporary Training Route 8.40 - 25.00 n/a
OLC Ollerton Colliery Branch Mid Notts 19.00 - 19.05 Chesterfield Market Place Remaining portion of the Mid Notts Line to colliery, remiled from the LDEC
OLD Oldbury Branch 134.42 - 135.63 Paddington via Didcot and Handsworth
OLL Ordsall Lane to Liverpool Line see separate portions
OLL1 Ordsall Lane Junction to Liverpool Road Old Station 0.00 - 0.25 Ordsall Lane Junction
OLL2 Ordsall Lane Junction to Liverpool Road Bonding Warehouse ?? - 0.20 Ordsall Lane Junction
OLM Oldham Branch (Greenfield Junction to Oldham Clegg Street) 0.00 - 4.02 Greenfield Junction
OLW Ordsall Lane Junction and Windsor Bridge Junction Curve 190.28 - 191.10 Euston
OME Olive Mount to Edge Hill Line see separate portions
OME1 Olive Mount Junction to Edge Hill Junction (Wapping Branch) 0.00 - 1.38 Olive Mount Junction Olive Mount Junction Box to Wapping Bank Head Box
OME2 Wapping Branch Junction to Pighue Lane Junction (Waterloo Independent Line) 0.00 - 0.10 Wapping Branch Junction
OME3 Edge Lane Junction to Pighue Lane Junction 0.00 - 0.21 Edge Lane Junction Original definition; rebuilt 2008/9
OME3 Olive Mount Junction to Edge Lane Junction 0.10 - 0.52 Bootle Branch Junction via Edge Lane Junction (reverse count) Later definition from 2008/9
OMI Omoa Ironworks Branch 0.00 - 0.19 Omoa Junction
OMO Omoa Branch ?? - ?? Possibly same as CMI, or Omoa Junction to Silverburn Colliery
ONJ Oxford North Junction see separate portions
ONJ1 Oxford North Junction Islip end 30.51 - 30.55 Bletchley
ONJ2 Oxford North Junction Didcot end 63.74 - 64.00 Paddington via Didcot
OOC Old Oak Common Yards see separate portions
OOC1 Old Oak Common No 1 Yard 2.63 - 3.18 Paddington
OOC2 Old Oak Common No 2 Yard 2.68 - 3.22 Paddington
OON Old Oaks to Nostell Line 8.04 - 17.15 Penistone West Silkstone Junction via Barnsley
OOS Old Oak Sidings, Willesden 6.32 - 6.50 Clapham Junction
OPM Overtown Paper Mills Branch 0.00 - 1.10 Berryards Junction Upper Greenock Station
ORD Miles Platting Junction to Oldham Road High Level Goods Junction Line (High Level Goods Loop) 0.00 - 0.42 Miles Platting Junction
ORG Miles Platting Junction to Oldham Road Goods Line (Oldham Road Goods) 0.00 - 1.03 Miles Platting Junction
ORI Oldham Road St Georges Incline 0.58 - 0.73 Miles Platting Junction
OSC Oakenshaw to Crofton East Junction Branch 181.71 - 183.04 St Pancras via Leicester, Toton and Barrow Hill
OSL Oulton Broad South to Lowestoft South Line 115.47 - 116.74 Liverpool Street
OSN Oakwell Junction to Stairfoot North Line 0.00 - 1.07 Oakwell Junction
OTB Otley and Ilkley Joint Line 0.00 - 2.62 Otley
OTL Otley Branch 0.00 - 3.33 Arthington South Junction
OVE Ogmore Vale Extension Line 0.00 - 7.40 and 0.00 - 2.44 Copper Works Junction and Tondu Middle Junction
OWW Oxford Worcester and Wolverhampton Line 66.32 - 152.43 Paddington via Didcot
OXC Oxley Chord 0.00 - 1.02 Bushbury (Oxley) Junction
OXD Oxford Branch 0.00 - 31.22 Bletchley
OXO Oxcroft Branch 0.00 - 1.05 Oxcroft Junction
OXW Oxenholme and Windermere Branch 0.00 - 10.19 Oxenholme