Last update 22 June 2025
Please select a starting letter from the links below:
| ELR | Line name | Mileages | Datum | Notes |
|---|---|---|---|---|
| FAB | Farnley and Wortley Branch | 0.13 - 1.04 | Farnley Branch Junction | Datum possibly 41 MP on MDL1 |
| FAC | Forth and Clyde Branch | 0.00 - 29.74 | Stirling | |
| FAD | Fazakerley North Junction to Alexandra (Langton Docks) Branch | 0.00 - 2.36 | Fazakerley North Junction | |
| FAE | Farme Branch (Glasgow Bridgeton) | 0.00 - 0.55 | Rutherglen North Box | |
| FAL | Falmouth Branch | see separate portions | ||
| FAL1 | Penwithers Junction to end of Pascoe Deviation | 301.25 - 307.52 | Paddington via Box and Plymouth Millbay (reverse) | |
| FAL2 | End of Pascoe Deviation to end of Penryn Deviation | 307.53 - 309.24 | Paddington via Box and Plymouth Millbay (reverse) | |
| FAL3 | End of Penryn Deviation to end of branch | 309.25 - 312.51 | Paddington via Box and Plymouth Millbay (reverse) | |
| FAR | Faringdon Branch | 66.36 - 70.05 | Paddington | |
| FAS | Fletton Ash Sidings | 0.00 - 1.74 | Fletton Junction | |
| FAT | Facit Branch (Rochdale East Junction to Bacup) | 11.01 - 19.13 | Manchester Victoria | |
| FBC | Firbeck East Curve | 0.00 - 0.47 | Harworth South Junction | |
| FBD | Froghall Branch Deviation | 0.00 - 0.51? | ? | At least 0.11 long |
| FBL | Forfar to Brechin Line | 0.00 - 14.25 | Forfar South Junction | |
| FBZ | Fochriw Branch | 0.00 - 1.28 | Fochriw Junction | Formerly FOW |
| FCB | Firbeck Colliery Branch | 12.72 - 17.12 | Brancliffe East Junction | |
| FCL | Midhurst and Chichester Line | see separate portions | ||
| FCL1 | Lavant Junction to Lavant | 29.27 - 32.23 | Brighton | |
| FCL2 | Midhurst to Lavant | 61.12 - 68.55 | London Bridge via Redhill | |
| FCO | Farington Curve Junction and Ormskirk Line | 12.14 - 25.64 | Liverpool Exchange | |
| FCT | Forcett Branch | 0.00 - 4.77 | Forcett Junction | |
| FCY | Finsbury Park Coal Yard | ?? - ?? | Kings Cross ?? | |
| FCZ | Frampton Cotterell Branch | 0.00 - 1.07 | Iron Acton | |
| FDM | Faversham to Dover Marine | 52.07 - 78.30 | Victoria via Herne Hill | |
| FDV | Fareham Deviation | 82.42 - 84.36 | Waterloo via Eastleigh | |
| FEC | Filton Loop (Filton East Curve) | 111.79 - 113.01 | Paddington | Formerly FIL |
| FED | Felixstowe Docks Branch | 83.57 - 85.54 | Liverpool Street | |
| FEK | Faversham to Faversham Creek Branch | 52.05 - 53.29 | Charing Cross | |
| FEL | Felixstowe Branch | 72.23 - 84.30 | Liverpool Street | |
| FEP | Ferryhill Junction and Pelaw Line (Leamside Branch) | 2.49 - 20.75 | Ferryhill South Junction | |
| FER | Ferryfield Branch | 0.00 - 0.22 | Alexandria | |
| FES | Fratton to East Southsea Branch | 0.00 - 1.35 | Fratton Junction | |
| FFB | Ffrith Branch | 0.00 - 2.28 | Ffrith Junction | |
| FFD | Fairford Branch | 67.28 - 89.22 | Paddington via Didcot | |
| FFH | Folkestone Harbour Branch | see separate portions | ||
| FFH1 | Folkestone East to limit of headshunt | 70.72 - 71.22 | Charing Cross via Chelsfield | |
| FFH2 | Folkestone East Yard to Harbour | 71.08 - 72.30 | Charing Cross via Chelsfield, reverse in Train Roads (71.08) | |
| FFP | Fiddlers Ferry Power Station | 0.00 - 2.33 | Fiddlers Ferry Power Station Junction | |
| FFR | Ffrwd Branch | 0.00 - 1.02 | Ffrwd Junction | |
| FGB | Friary Goods Branch | 233.37 - 233.67 | Waterloo | Now part of FRY |
| FGC | Fighting Cocks Branch (Dinsdale) | see separate portions | ||
| FGC1 | Albert Hill Junction to Fighting Cocks goods station | 0.00 - 3.20 | Albert Hill Junction | |
| FGC2 | Fighting Cocks goods station to Oak Tree Junction | 3.20 - 4.21 | Albert Hill Junction | |
| FGL | Friockheim to Glasterlaw Line | 0.00 - 1.25 | Friockheim Junction | |
| FGW | Forest Gate Junction to Woodgrange Park Junction Curve | 5.63 - 6.14/ 0.00 - 0.31 | Liverpool Street/Woodgrange Park Junction | |
| FHB | Ferryhill Junction to Ballater (Deeside) Branch | 0.51 - 43.27 | Aberdeen | Originally measured from Ferryhill Junction as far as Banchory, then from Banchory thereafter |
| FHC | Filey Holiday Camp Branch | 42.41 - 43.22 | Hull | |
| FHG | Forth Goods (Railway Street Sidings) | 8.52 - 11.10 | Newcastle ?? | Also listed as 0.47 - 0.53 or 0.31 - 0.50 |
| FHL | Fountainhall to Lauder Branch (Lauder Light Railway) | 0.00 - 10.33 | Fountainhall Junction | |
| FHR | Farington Curve Junction and Hall Royd (Burnley) Junction Line | see separate portions | ||
| FHR1 | Farington Curve Junction to Engine Shed Junction | 0.00 - 0.64 | Farington Curve Junction | |
| FHR2 | Engine Shed Junction to Lostock Hall Junction | 0.64 - 1.42 | Farington Curve Junction | |
| FHR3 | Lostock Hall Junction to Bamber Bridge Junction | 1.42 - 2.12 | Farington Curve Junction | |
| FHR4 | Bamber Bridge Junction to Blackburn | 2.10 - 10.50 | Farington Curve Junction | |
| FHR5 | Blackburn to Gannow Junction | 10.50 - 21.03 | Farington Curve Junction | |
| FHR6 | Gannow Junction to Hall Royd Junction | 21.03 - 30.54 | Farington Curve Junction | |
| FIC | Firbeck Colliery Branch | ?? - ?? | Duplicate of FCB | |
| FIE | Fairlie Branch | 0.00 - 1.35 | Fairlie Branch Junction | |
| FIG | Foss Islands Branch (York) | 0.00 - 1.53 | Burton Lane Junction | |
| FIL | Filton Loop (Filton East Curve) | Now FEC | ||
| FJH | Frodsham Junction to Halton Junction Curve | 0.00 - 1.54 | Halton Junction | |
| FJJ | Farlington Junction to Cosham Junction | 90.43 - 91.09/ 40.38 - 41.04 | Waterloo via Eastleigh/Brighton | |
| FJL | Ford Junction to Littlehampton Junction | 0.00 - 0.31/ 60.25 - 60.58 | Ford Junction/London Bridge via Redhill and Ford Junction (reverse) | |
| FJS | Fawkham Junction to Southfleet | 200.091km - 206.012km | datum point near Fawkham Junction | See also FSJ. Shown in CTRL documentation as FJS1 |
| FJS1 | Fawkham Junction to Southfleet | See FJS | ||
| FKE | Firbeck East Curve | ?? - ?? | Duplicate of FBC | |
| FKW | Ferrybridge to Knottingley West Junction Curve | 2.25 - 2.71 | Burton Salmon | |
| FLB | Faslane Branch | 0.00 - 2.44 | Faslane Junction | |
| FLD | Farringdon Line and Depot | 0.00 - 0.24 | Farringdon LNE Goods Junction | |
| FLE | Fletcher Street Junction to High Street Coal Branch | 0.00 - 0.21 | Fletcher Street Junction | Bolton Great Moor Street |
| FLG | Flemington Goods Branch | 87.77 - 88.30 | Carlisle | |
| FLH | Ferryhill and Hartlepool Line | 0.00 - 11.06 | Cemetery North Junction | |
| FLL | Factory, Longhedge and Lavender Hill Junctions to Clapham Ludgate Junction | see separate portions | ||
| FLL1 | Longhedge 'A' Junction to Factory Junction | 0.09 - 0.41 | Longhedge 'A' Junction | |
| FLL2 | Longhedge 'A' Junction to Lavender Hill Junction | 1.58 - 2.29 | Victoria | |
| FLL3 | Lavender Hill Junction to Clapham Junction Western side | 2.29 - 2.58/ 3.29 - 4.13 | Waterloo | |
| FLN | Flemington Junction to Flemington Freight Depot | 87.77 - 88.30 | Carlisle | |
| FLP | Ferniegair Loop | 0.00 - 0.53 | Haughead Junction | Haughead Junction to Ferniegair Junction |
| FLS | Ravenhead Branch (St Helens) | 0.00 - 1.01 | Ravenhead Junction | |
| FLT | Cheriton Channel Tunnel Terminal Loop | 5.396km - 10.079km | Westenhanger | Listed to 10.079 |
| FLX | Felixstowe Loop | 0.00 - 0.56 | Felixtowe Station Junction | |
| FMB | Fairmuir and Maryfield Branch | 0.00 - 1.35 | Fairmuir Junction | |
| FNB | Friarton Branch (Perth) | 0.00 - 0.26 | Friarton Box | |
| FNS | Frome and North Somerset Line | see separate portions | ||
| FNS1 | Frome Mineral Loop Junction to Frome West Junction | 0.00 - 0.31/ 114.73 - 115.24 | Frome Mineral Loop Junction/ London Paddington | Formerly FRM?? |
| FNS2 | Frome West Junction to Bristol North Somerset Junction | 0.20 - 23.26 | Radstock Branch Junction | 23.10 - 23.26 now 0.00 - 0.16 in BRL |
| FNS3 | Frome Radstock Branch Junction to Frome West Junction | 0.00 - 0.20 | Radstock Branch Junction | |
| FOB | Forfar Old Branch | 0.00 - 0.32 | Forfar South Junction | |
| FOD | Forest of Dean Branch | 0.00 - 6.17 | Forest of Dean Junction | Formerly 0.00 - 6.39; junction moved and line remiled |
| FOG | Forth Goods | 0.00 - 0.45 | Forth Junction | Also listed as 0.20 - 0.61 |
| FOM | Fletton to Orton Mere Branch | 0.00 - 1.79 | Fletton Junction | |
| FOR | Fords Factory Branch | 0.00 - 1.12 | Ford's Junction | |
| FOS | Ffrwd Branch [Great Western] | 2.62 - 4.13 | Croes Newydd North Fork Junction | |
| FOW | Fochriw Branch | Now FBZ | ||
| FOX | Foxfield to Coniston Branch | 0.00 - 9.70 | Foxfield | |
| FOY | Fowey Branch | 282.16 - 286.20 | Paddington via Box, Plymouth Millbay (reverse) and St Blazey Junction (reverse) | |
| FOZ | Forest of Dean Central Branch | 0.00 - 5.50 | Awre Junction | |
| FPB | Foryd Pier Branch | 0.00 - 0.58 | Junction with VOC | |
| FPR | Fairlie Pier Branch | 39.56 - 40.08 | Glasgow Bridge Street | |
| FRA | Frome Avoiding Line | 114.39 - 116.37 | Paddington via Newbury | |
| FRB | Framlingham Branch | 85.30 - 91.02 | Liverpool Street | |
| FRC | Frickley Colliery Branch | see separate portions | ||
| FRC1 | Open portion | 0.00 - 0.60 | Moorthorpe Junction | |
| FRC2 | Frickley Colliery Branch | 0.00 - 0.43 | Moorhouse Station Junction | |
| FRG | Froghall Branch | 0.00 - 4.14 | Froghall Junction | |
| FRM | Frome Mineral Loop | 0.00 - 0.31 | Frome Mineral Loop Junction | Now FNS1?? |
| FRO | Fron Branch | 0.00 - 0.42 | Fron Branch Junction | |
| FRT | Fortissat Branch | 0.00 - 1.53 | Hartwoodhill Junction | |
| FRW | Fisherrow Branch | 0.00 - 0.63 | Fisherrow Junction | |
| FRY | Friary Branch | 232.73 - 233.65/ 244.60 - 245.53 | Waterloo/Paddington via Box | 233.37 - 233.65 formerly in FGB |
| FSB | Fenchurch Street to Blackwall Line | 1.53 - 3.46 | Fenchurch Steet | |
| FSC | Fraserburgh to St Combs Branch | 0.37 - 4.71 | Fraserburgh | |
| FSH | Fishguard Harbour Lines | 287.52 - 289.05 | Paddington via Stroud and Rosebush | |
| FSJ | Fawkham Junction to Southfleet | 200.000km - 206.012km | Fawkham Junction | See also FJS. Both are reported, this one in error |
| FSO | Ffos Y Go Colliery Branch | ?? - ?? | ?? | Few details known |
| FSS | Fenchurch Street and Shoeburyness Line | see separate portions | ||
| FSS1 | Fenchurch Street to Barking West Junction | 0.00 - 7.08 | Fenchurch Street | |
| FSS2 | Barking West Junction to Southend Central | 7.08 - 35.55 | Fenchurch Street | |
| FSS3 | Southend Central to Shoeburyness | 35.55 - 39.40 | Fenchurch Street | |
| FTB | Furnace Tops Branch | Now FTS | ||
| FTB | Fareham To Bedenham Sidings (Fort Brockhurst) Branch | 84.27 - 91.00 | Waterloo via Eastleigh | Listed to 87.21 |
| FTC | Channel Tunnel | 8.380km - 67.799km | Westenhanger | Listed 7.870km - 67.937km |
| FTL | Farringdon to Ludgate (Blackfriars) Line | 0.00 - 0.39 | Farringdon Junction | |
| FTS | Furnace Tops Branch | 22.15 - 22.46 | Taff Vale Extension Junction | Formerly FTB |
| FUR | Furzebrook Sidings Branch | 126.30 - 130.00 | Waterloo via Southampton Terminus (reverse) and Ringwood | |
| FWC | Filton West Curve | 4.67 - 5.41 | Bristol Temple Meads | Formerly FWL |
| FWL | Filton West Curve | Now FWC | ||
| FWR | Rossington Colliery Branch (Doncaster) | see separate portions | ||
| FWR1 | Flyover West Junction to Rossington Colliery Headshunt | 151.38 - 153.19 | Kings Cross | |
| FWR2 | Rossington Colliery | 151.69 - 153.31 | Kings Cross | |
| FWW | Forncett Wymondham and Wells Line | see separate portions | ||
| FWW1 | Forncett to Wymondham | 104.41 - 110.58 | Liverpool Street | |
| FWW2 | Ryburgh to Wells | 16.20 - 33.06 | Wymondham | |
| FWY | Fiveways Branch | 0.00 - 1.41 | Little Norton Junction | LNWR branch to Coppice Colliery off line from Norton Junction (Brownhills) |