Engineer's Line References (ELRs)

A (hopefully) comprehensive listing

Codes beginning I

Last update 27 August 2021

Additional information is always gratefully received, whether entirely new records (particularly historical records) or information to fill in gaps or correct errors, via the contact link under the Miscellaneous entry in the navigation bar above. Thank you.

Please select a starting letter from the links below:

ELR Line name Mileages Datum Notes
IAO Island Road Loop 0.00 - 1.36 Barrow Station Barrow Station to Shipyard Junction
IBB Inkerman Brickworks Branch 0.00 - 0.35 Inkerman Branch Junction
ICI Callerton ICI Branch (shared with Tyne and Wear Metro) see separate portions
ICI1 Benton South Junction to Benton Metro Boundary 0.00 - 0.10 Benton South Junction
ICI2 Benton Metro Boundary to Kenton Bank Foot Metro Boundary 0.10 - 5.00 Benton South Junction
ICI3 Kenton Bank Foot Metro Boundary to Callerton ICI 5.00 - 7.71 Benton South Junction
ICI4 Callerton ICI to Ponteland 7.71 - 8.61 Benton South Junction
ICS Ilford Carriage Sidings 7.63 - 8.30 Liverpool Street
IDH Ilford Hostel n/a n/a Bridge and buildings only
IGD Ince Moss to Red Rock Goods Branch 12.19 - 17.59 Huyton Junction
IGE Inverkeithing Curve 0.00 - 0.33 Inverkeithing East Junction
IGL Ingliston Branch 0.00 - 1.47 Ingliston Junction
IGN Invergordon Harbour Branch Junction to Invergordon Harbour 0.00 - 0.57 Invergordon Harbour Branch Junction
IHB Irvine Harbour Branch 0.00 - 0.66 Irvine
IKT Ilkeston Town Branch 126.42 - 127.17 St Pancras
ILF Ilfracombe Branch 211.32 - 226.19 Waterloo
ILK Ilkley Branch see separate portions
ILK1 Apperley Junction to Burley 201.79 - 207.68 St Pancras via Cudworth
ILK2 Burley to Ilkley 207.68 - 211.20 St Pancras via Cudworth
IMB Inverness to Muirtown Basin (Caledonian Canal) Branch 0.00 - 0.57 Canal Junction
IMD Inveramsay to Macduff Branch 20.10 - 50.19 Aberdeen
IMG Ince Moss Goods Lines 0.00 - 0.79 Bamfurlong Junction
IMG1 "Example for the manual" n/a n/a
IMS Immingham Storage Co Branch 106.43 - 107.35 Manchester London Road via Woodhead
INC Ilkeston North Curve 0.00 - 0.60 Ilkeston West Junction
ING Ingliston Branch 0.00 - 0.76 Ingliston Branch Junction
INL Ingleton Branch 0.00 - 18.72 Low Gill
INM Inglebys Mill Branch 0.00 - 0.40 Junction near Tadcaster
INN Ingleton Branch 242.04 - 246.21 St Pancras
INS Inverness Harbour Branch 117.58 - 118.14 Perth
INW Immingham Dock North West Entrance Branch 104.74 - 105.74 Manchester London Road via Woodhead
IOW Isle of Wight Line (Ryde Pier Head to Shanklin) 0.00 - 8.31 Ryde Pier Head
IPD Ipswich Docks Branch 0.23 - 2.63 East Suffolk Junction
IRE Irvine Freight Depot 0.00 - 0.66 Irvine Junction Also listed as 5.20 - 5.51 from Kilmarnock via Dreghorn
IRM Inverurie to Old Meldrum Branch 16.11 - 22.21 Aberdeen
IRR Ipswich Ranleigh Road Depot 68.47 - 68.74 Liverpool Street
ISC Isabella Colliery Branch 0.00 - 2.30 Newsham North Junction
ISL Certain lines near St Pancras see separate portions
ISL1 probably North London Line connection 0.000km - 0.705km York Way South Junction
ISL2 probably Silo Curve 0.000km - 0.305km 0.901km from St Pancras
ITB Imperial Tube Works Branch (Coatbridge/Sheepford) 0.00 - 0.52 Coatdyke Goods
ITW Rosehall Junction to BSC Imperial Works Branch 6.59 - 8.52 Rutherglen East Junction
IUP Ipswich Upper Yard 68.72 - 69.50 Liverpool Street
IVB Inchture Village Branch 0.00 - 1.32 Inchture main line
IVW Isle of Wight Newport to Ventnor West Branch See IWV; code used on this bridge in error
IWB Isle of Wight Brading to Bembridge Branch 0.03 - 2.65 Brading
IWC Isle of Wight Newport to Cowes Branch 9.74 - 14.25 Ryde Pier Head
IWF Isle of Wight Newport to Freshwater Branch 0.00 - 11.70 Newport Junction
IWM Isle of Wight Merstone to Sandown Branch 0.00 - 5.28 Sandown Junction
IWR Isle of Wight Newport to Ryde Smallbrook Junction Branch 2.10 - 9.74 Ryde Pier Head
IWS Isle of Wight Shanklin to Ventnor Branch 8.31 - 12.44 Ryde Pier Head
IWV Isle of Wight Newport to Ventnor West Branch 0.00 - 10.54 Newport Junction