Last update 22 July 2025
Please select a starting letter from the links below:
| ELR | Line name | Mileages | Datum | Notes |
|---|---|---|---|---|
| RAC | Radford Junction to Linby Colliery Branch | 125.56 - 136.66 | St Pancras via Corby | |
| RAD | Radyr Branch | 0.26 - 4.41 | Cardiff Central | |
| RAM | Ramp Line (Port Talbot) | 0.00 - 0.74 | Ramp Line (Overbridge) Junction | |
| RAN | Ramsey North Branch | 69.29 - 75.14/ 0.00 - 5.65 | Kings Cross/Holme | |
| RAV | Ravenscraig No 1 Branch | 87.68 - 88.39 | Carlisle | To 89.14?? |
| RAZ | Rassa Tramroad | 20.27 - 22.72 | Courtybella | |
| RBA | Ravensthorpe to Baker Junction Line | see separate portions | ||
| RBA1 | Down Huddersfield Slow | 32.18 - 33.03 | Manchester Victoria via Huddersfield | |
| RBA2 | Down & Up Huddersfield Fast | 32.18 - 33.03 | Manchester Victoria via Huddersfield | details unclear, assumptions made |
| RBA3 | Up Huddersfield | 32.22 - 33.03 | Manchester Victoria via Huddersfield | |
| RBF | Redheugh Bank Foot Line | see separate portions | ||
| RBF1 | Swalwell Junction to mileage change | 3.15 - 3.79 | Newcastle | Part of NEC1 formation |
| RBF2 | Mileage change to West Dunston | 0.00 - 0.63 | Wickham Junction | |
| RBF3 | Redheugh Branch | 0.63 - 1.67 | Whickham Junction | |
| RBG | Raebog Branch | 0.00 - 0.62 | Raebog Junction | |
| RBJ | Brownieside Branch | 0.00 - 1.46 | Rawyards | |
| RBS | Rugby Birmingham and Stafford Line | see separate portions | ||
| RBS1 | Rugby to Birmingham | 83.18 - 112.73 | Euston | |
| RBS2 | Birmingham to Bushbury Junction | 0.05 - 14.42 | Birmingham New Street | |
| RBS3 | Bushbury Junction to Stafford | 15.32 - 28.50 | Birmingham Curzon Street via Bescot | |
| RBY | Reedham Berney Arms and Yarmouth Line | 12.28 - 19.35 | Norwich | |
| RBZ | Riverside Branch (Llanelly) | 224.66 - 225.20 | Paddington via Stroud | |
| RCB | Rutherglen and Coatbridge Branch | 0.00 - 7.04 | Rutherglen East Junction | |
| RCD | Rossington Colliery Branch | 71.58 - 72.63 | Manchester Victoria via Wakefield | Black Carr East junction - Rossington Colliery, constructed by LNER but continued Dearne Valley mileage. Also listed as RCB |
| RCH | Ringwood to Christchurch Line | 103.72 - 112.23 | Waterloo | |
| RCL | Riddochill Branch | 0.00 - 0.23 | Bathgate | |
| RCM | Ramcroft Colliery Branch | 0.00 - 0.45 | Ramcroft Colliery Junction | |
| RDB | Runcorn Dukes Dock Branch | 0.00 - 1.18 | Runcorn Junction | |
| RDD | Roddinglaw Junction to Kirkliston Junction | 0.00 - 5.00 | Branch junction | Never built |
| RDG | Reading Line | see separate portions | ||
| RDG1 | Waterloo to Wokingham Junction | 0.05 - 36.35 | Waterloo | |
| RDG2 | Wokingham Junction to Reading | 61.72 - 68.68 | Charing Cross via Redhill | Formerly part GRG2 |
| RDK | Ramsden Dock Branch (Barrow in Furness) | see separate portions | ||
| RDK1 | Salthouse Junction to Ramsden Dock | 27.59 - 29.69 | Carnforth | |
| RDK2 | Buccleuch Junction to Hindpool North | 28.14 - 30.28 | Carnforth | |
| RDL | Renfrew and District Line | 1.62 - 3.71 | Cardonald Junction | |
| RDO | St Pancras High Speed | 0.228km - 1.409km | St Pancras | See RDO1 |
| RDO1 | St Pancras CTRL Domestics lines (platforms 11-13) | 0.228km - 1.409km | St Pancras | Originally listed as RDO |
| RDR | Redcar | 20.09 - 22.16 | Darlington | |
| RDW | Red Wharf Bay and Benllech Branch | 0.00 - 6.60 | Holland Arms Junction | |
| RDY | Radyr Down Yard | 3.76 - 4.35 | Cardiff Central | |
| REB | Redmire Branch | see separate portions | ||
| REB1 | Northallerton Low Junction to Castle Hills Inner Junction | 0.00 - 0.48 | Northallerton Low Junction | |
| REB2 | Castle Hills Inner Junction to Redmire | 0.48 - 22.34 | Northallerton Low Junction | |
| REB3 | Redmire to Hawes | 22.34 - 33.48 | Northallerton Low Junction | |
| REB4 | Castle Hill Junction to Castle Hills Inner Junction | 0.00 - 0.28 | Castle Hills Junction | |
| RED | Redhill Line | see separate portions | ||
| RED1 | Stoats Nest Junction to Coulsdon mileage change | 14.24 - 15.02 | London Bridge | |
| RED2 | Coulsdon mileage change to Earlswood Junction | 16.66 - 23.16 | Charing Cross | |
| REN | Renfrew Branch | see separate portions | ||
| REN1 | Waps to Porterfield Road | 0.39 - 2.00 | Green Law Junction | |
| REN2 | Paisley Green Law Junction to Cart Harbour | 0.00 - 0.39 | Green Law Junction | |
| RET | Retew Branch | 0.07 - 4.02 | St Dennis Junction | |
| REX | Rexco Sidings | see separate portions | ||
| REX1 | Ollerton West Junction to mileage change | 0.00 - 0.60 | Ollerton West Junction | |
| REX2 | Mileage change to Rexco Sidings | 4.78 - 5.20 | Farnsfield Junction | Off MFD2 |
| REY | Ramsgate Yards | see separate portions | ||
| REY1 | Sidings 1 to 5 | 0.00 - 0.28 | east end of sidings | |
| REY2 | Sidings 6 to 25 | -0.02 - 0.27 | east end of sidings | |
| RFF | Rheilffordd Ffestiniog [Ffestiniog Railway] | 0.00 - 13.75 | Porthmadog | |
| RFL | Preston Ribble Fork Line | 0.00 - 0.22 | Middleforth Junction | |
| RFM | Reading Feeder Main Line | 36.13 - 36.73 | Paddington | |
| RFO | Rotherham Forge | ?? - ?? | ||
| RFR | Reading Feeder Relief Line | 36.25 - 36.68 | Paddington | |
| RFW | Renfrew Branch | 2.00 - 3.20 | Green Law Junction | |
| RGH | Rough Castle Branch | 0.00 - 2.40 | Rough Castle Branch Junction | |
| RGW | Romford Gas Works and Lower Yard | 12.00 - 12.27 | Liverpool Street | |
| RGY | Rugby Goods Yards | see separate portions | ||
| RGY1 | South TMD and Carriage Sidings | 81.75 - 82.44 | Euston via Kilsby | |
| RGY2 | North and Stabling Sidings | 82.49 - 83.14 | Euston via Kilsby | |
| RHB | Ramsgate Harbour Branch | 0.00 - 1.19/ 77.73 - 79.12 | Harbour Junction/ Victoria via Herne Hill | |
| RHD | Rosyth Royal Dockyard Branch | see separate portions | ||
| RHD1 | Inverkeithing South Junction to mile post 1 | 0.02 - 1.00 | Inverkeithing South Junction | |
| RHD2 | Mile post 1 to Rosyth Dock | 1.00 - 2.25 + sidings | Inverkeithing South Junction | |
| RHE | Ripley and Heanor Railway | see separate portions | ||
| RHE1 | Extension No 1 | 129.71 - 133.37 | St Pancras | |
| RHE2 | Extension No 2 | 133.37 - 135.30 | St Pancras | |
| RHN | Robin Hood - Newmarket Colliery (Bottom Boat) | 0.00 - 2.55 | Robin Hood Junction | |
| RHO | Rhos Branch | 0.00 - 3.19 | Rhos Junction | |
| RHS | Roundhouse Branch | 0.00 - 0.49 | Roundhouse Junction | |
| RHY | Rothesay Dock Lines | see separate portions | ||
| RHY1 | Clydebank Dock Junction to Clydebank Dock West Junction | 0.00 - 0.28 | Clydebank Dock Junction | See also ZZE7 |
| RHY2 | Clydebank Dock West Junction to Rothesay Dock Boundary | 0.28 - 0.51 | Clydebank Dock Junction | See also ZZE7 |
| RHY3 | Clydebank Dock West Junction to Yoker Junction | 0.00 - 0.26 | Clydebank Dock West Junction | See also ZZE7 |
| RHY | Romiley and Hyde Branch | see separate portions | ||
| RHY1 | Romiley to Woodley Junction | Listed in error for RYH1 by 28 January 2023 to 22 July 2023 | ||
| RHY2 | Hyde Junction to Woodley Junction | Listed in error for RYH2 by 28 January 2023 to 22 July 2023 | ||
| RIC | Riccarton Branch | see separate portions | ||
| RIC1 | Kay Park Junction to Bellfield Junction | 0.00 - 1.06 | Kay Park Junction | |
| RIC2 | Riccarton to Bellfield Junction | 1.68 - 2.21 | Thirdpart Junction | |
| RID | Richmond Branch | 0.00 - 9.69 | Eryholme Junction | |
| RIG | Renishaw Ironworks Branch (GC) | 0.30 - 0.32 | Renishaw Central Station | |
| RIK | Rickmansworth Branch | see separate portions | ||
| RIK1 | Rickmansworth Branch | 0.31 - 3.36 | Watford High St Junction | |
| RIK2 | Croxley Mills Branch | 0.00 - 0.38 | Croxley Mills Ground Frame | |
| RIM | Renishaw Ironworks Branch (Mid) | 0.31 - 0.38 + private portion | Renishaw Iron Co's Siding Junction | |
| RIP | Ripponden Branch | 28.59 - 32.39 | Manchester Victoria via Sowerby Bridge Junction (reverse) | |
| RJB | Romiley Junction to Bredbury Junction Line (Romiley Curve) | 178.30 - 179.59 | St Pancras | |
| RJS | Roudham Junction to Swaffham Line | 0.00 - 18.41 | Swaffham station | |
| RKN | Rankinston Colliery Branch | 0.00 - 0.42 | Rankinston Branch Junction | |
| RLB | Riddings Junction to Langholm Branch | 0.00 - 7.09 | Riddings Junction | |
| RLG | Rillington Junction to Grosmont Junction | 0.00 - 24.44 | Rillington Junction | |
| RLL | Reading Low Level Goods Lines | 35.33 - 35.61 | Paddington via Reading East Junction (reverse) | Modern route mostly on old RLL2 formation |
| RLL | Reading Low Level Goods Lines | see separate portions | ||
| RLL1 | Kings Meadow to Reading Coal Yard | 35.08 - 36.10 | Paddington | |
| RLL2 | Connecting line from RDG2 to RLL1, passing under MLN1 | 35.30 - 35.48/ 68.24 - 68.42 | Paddington/Charing Cross | |
| RLY | Ripple Lane Yards | 8.60 - 10.27 | Fenchurch Street | |
| RMB | Roddymoor Branch | ?? - ?? | Near Durham | |
| RMC | Rotherham Main Colliery Branch | ?? - ?? | ||
| RMJ | Rowrah - Marron Junction line | 3.49 - 17.77 | Mire House Junction | |
| RML | Rotherham Maltby and Laughton Railway | see separate portions | ||
| RML1 | Thurcroft Colliery Siding to Braithwell Junction | 6.32 - 8.48 | Brancliffe East Junction | |
| RML2 | Braithwell Junction to Silverwood Colliery | 8.48 - 10.39 | Brancliffe East Junction | |
| RMS | Ramsgate to Margate Sands Line | 0.00 - 3.64 | Ramsgate Town | listed to 5.08 |
| RMY | Roath Marshalling Yard | 3.77 - 4.43 | Roath Branch Junction | |
| RNC | Rutherglen West Curve | 0.00 - 0.29 | Rutherglen West Junction | Possibly also known as North Curve |
| RNH | Rosehall North Branch | 0.00 - 0.48 | Rosehall North Box | Serves Rosehall Collieries Nos 3, 12 and 14, NB near Whifflet |
| RNJ | Reading New Junction | 67.76 - 68.35 | Charing Cross via Redhill | |
| RNR | Romney Junction to New Romney Line | 72.41 - 75.46 (later 73.64 - 78.16) | Charing Cross via Chelsfield | |
| RNS | Ramsgate New Sidings | 85.53 - 85.78 | Charing Cross via Chelsfield and Canterbury West | |
| RNW | Runton to North Walsham Line | see separate portions | ||
| RNW1 | Newstead Lane Junction to Runton West Junction | 13.12 - 13.63 | North Walsham via Mundesley Loop | |
| RNW2 | North Walsham to Roughton Road Junction | 0.00 - 11.54 | North Walsham via Mundesley Loop | |
| ROA | Roath Branch | 0.00 - 6.29 | Roath Branch Junction | |
| ROA9 | Roath Branch | 3.77 - 4.43 | Roath Branch Junction | Now part of ROA |
| ROB | Rothes to Orton Branch | 0.00 - 3.05 | Rothes Junction | Opened 23 August 1858, closed 1 August 1866, track removed 1907 |
| ROC | Roath Dock Branch | 0.00 - ≈1.00/ 168.20 - 168.60 | Pengam Junction/Paddington via Stroud | Formerly ROD |
| ROD | Roath Dock Branch | Now ROC | ||
| ROD | Rothesay Dock Branch | 0.00 - 1.16 | Scotstoun West Junction | |
| ROJ | Reading Old Junction | 68.23 - 68.51 | Charing Cross via Redhill | |
| ROK | Rock Sidings/Old Llanfyllin Branch | 0.00 - 1.30 | Llanymynech Old Junction | |
| ROL | Rolle Quay Branch (Barnstaple) | 0.00 - 0.27 | Barnstaple | |
| RON | Royton Branch | 8.32 - 9.47 | Manchester Victoria | |
| ROS | Ross to Little Mill Junction | 0.02 - 29.30 | Ross-on-Wye | |
| ROT | Redcar Ore Terminal Branch | 20.05 - 20.42 + ?? | Darlington | |
| ROU | Romford and Upminster Branch | 0.00 - 3.30 | Romford | |
| ROW | Rowrah Branch | 0.00 - 6.41 | Rowrah Branch Junction | |
| ROY | Royston Branch | 178.26 - 186.35 | St Pancras via Cudworth | |
| ROZ | Roath Goods Branch | 2.53 - 3.16 | Roath Branch Junction | |
| RPD | Radyr Pre-assembly Depot | 4.04 - 4.33 | Cardiff Central | |
| RPE | Raynes Park to Epsom Line | 8.34 - 14.27 | Waterloo | |
| RRC | Rathbone Road Coal Yard | 0.00 - 0.22 | Engine Shed Junction | |
| RRN | Rugeley to Ryecroft Line | see separate portions | ||
| RRN1 | Ryecroft Junction to Cannock | 0.00 - 7.20 | Ryecroft Junction | |
| RRN2 | Cannock to Rugeley North Junction | 7.20 - 14.69 | Ryecroft Junction | |
| RRN3 | Rugeley Power Station | 13.69 - 15.20 | Ryecroft Junction | |
| RRY | Robroyston Branch | 0.00 - 1.37 | Robroyston Branch Junction | |
| RRZ | Rhymney and Nantybwch Line | 23.66 - 26.63 | Cardiff East Dock | 23.66 - 23.77 now in CAR. 25.26 - 26.63 = 13.74 - 15.31 ex Abergavenny Junction in MTA |
| RSB | Rhondda and Swansea Bay Line | 0.00 - 24.38 | R&SB Junction (Treherbert Junction) | |
| RSB1 | Rhondda and Swansea Bay Line abandoned 1935 in connection with Briton Ferry alterations | 17.20 - 18.28 | R&SB Junction (Treherbert Junction) | |
| RSC | Roundwood Chord Junction to Silverwood Colliery Line | 7.24 - 7.60 | Woodburn Junction | |
| RSD | Rugby to Stamford Line | 0.00 - 35.32 | Rugby | |
| RSH | Rosehall South Branch | 0.00 - 0.27 | Rosehall South Box | Serves Rosehall Collieries Nos 4, 7 and 13, NB near Whifflet |
| RSJ | Redhill to Shalford Junction Line | 22.46 - 41.60 | Charing Cross | |
| RSK | Roskear Branch | 313.17 - 314.10 | Paddington via Box, Plymouth Millbay (reverse) and Roskear Junction (reverse) | |
| RSL | Rosehall and Langloan Curve | see separate portions | ||
| RSL1 | Langloan Junction to Rosehall Junction | 6.34 - 6.59 | Rutherglen East Junction | |
| RSL2 | Whifflet North Junction to Rosehall Junction | 0.00 - 0.34 | Whifflet North Junction | |
| RST | Regent Street Branch | 0.00 - 0.09 | Greenock Central | |
| RSW | Rose Street Curve (Inverness) | 117.56 - 118.01 | Perth | |
| RSY | Rothesay Dock Branch (also Yoker Depot) | 0.00 - 0.74 + dock | Clydebank Dock Junction | Now ZZE7 |
| RSZ | Swansea Riverside Branch/Swansea Harbour Branch | 24.28 - 24.34 | R&SB Junction | |
| RTB | Radcliffe South Junction to Bradley Fold Junction Line | 7.17 - 8.56 | Manchester Victoria via Cheetham Hill Junction | |
| RTC | Reading Traincare Depot | 36.14 - 37.40 | London Paddington | |
| RTJ | Redbridge to Tunnel Junction (Salisbury) Line | see separate portions | ||
| RTJ1 | Romsey to Redbridge Junction | 18.16 - 23.31 | Andover Junction via Stockbridge | |
| RTJ2 | Romsey to Tunnel Junction | 80.35 - 96.05 | Waterloo via Eastleigh (reverse) | |
| RTR | Reading Triangle Sidings | see separate portions | ||
| RTR1 | Reading Triangle DMU Sidings | 36.36 - 36.64 | Paddington | |
| RTR2 | Reading Triangle Loco Sidings | 36.27 - 36.71 | Paddington | |
| RTS | Rugby and Leamington Line | -0.09 - 14.37 | Leamington Branch Junction | Note: culvert listed at 14.52 |
| RTT | Redhill To Tonbridge Line | 22.51 - 42.09 | Charing Cross | |
| RUA | Ruabon and Barmouth Line | 0.00 - 52.23 | Llangollen Line Junction | |
| RUB | Rufford Junction to Bilsthorpe Colliery Branch (Mansfield) | see separate portions | ||
| RUB1 | Rufford Junction to Bilsthorpe Colliery Junction | 0.00 - 1.08 | Rufford Colliery Junction | |
| RUB2 | Bilsthorpe Colliery Junction to Bilsthorpe Colliery | 1.08 - 4.39 | Rufford Colliery Junction | |
| RUC | Rufford Colliery Branch | see separate portions | ||
| RUC1 | Rufford Colliery Junction to Rufford Colliery Headshunt | 0.00 - 2.15 | Rufford Colliery Junction | |
| RUC2 | Rufford Colliery to Junction for Rufford Colliery | 1.50 - 1.70 | Rufford Colliery Junction | This route unclear at present |
| RUC3 | Clipstone Colliery Branch No 1 | 144.19 - 147.35 | St Pancras via Corby and Newstead | |
| RUC4 | Clipstone Colliery Branch No 2 | 146.55 - 147.33 | St Pancras via Corby and Newstead | |
| RUC5 | Rufford Colliery Branch | 143.60 - 145.10 | St Pancras via Corby and Newstead | |
| RUD | Ruddington Chord (Loughborough) | 92.23 - 92.49 | Manchester via Penistone | |
| RUM | Ruchill Branch | 104.69 - 105.49 | Carlisle via Ravenscraig No 1 | LM&SR route |
| RUN | Ruchill Branch | 0.00 - 0.67 | Possilpark | L&NER route |
| RUS | Rushey Platt Curve | 32.30 - 32.61 | Red Post Junction | |
| RUZ | Ruthern Bridge Branch | 3.09 - 4.49 | Wadebridge | |
| RVC | Ravensbourne Chord | 0.00 - 0.48 | Ravensbourne Junction | |
| RVE | Riverside Branch | see separate portions | ||
| RVE1 | Riverside Junction to Carville | 0.00 - 4.27 | Riverside Junction | |
| RVE2 | Carville to Willington | 4.27 - 6.43 | Riverside Junction | |
| RVS | Old Kilpatrick Branch | see separate portions | ||
| RVS1 | Clydebank Junction to mileage change | 0.00 - 0.04 | Clydebank Junction | |
| RVS2 | Mileage change to Old Kilpatrick | 109.05 - 113.46 | Carlisle via Rutherglen and Glasgow Central Low Level | |
| RWB | Radiator Works Branch (Ella Street Loop) | 3.09 - 4.02 | Alexandra Dock | |
| RWC | Reading West Curve | 0.00 - 0.43/ 0.00 - 0.66 | Reading West Junction | |
| RWD | River Witham (South Delph/Fiskerton) Branch | 1.00 - 2.00 | Bridges only | |
| RWF | Radcliffe West Fork | 0.00 - 0.43 | Radcliffe West Junction | |
| RWJ | Rugby to Wigston Junction (Leicester) Line | 0.00 - 16.61 | Wigston North Junction | |
| RWR | Ravenswood Junction to Reston Branch | 0.00 - 29.26 | Reston | |
| RWS | Sunderland South Dock Branch (River Wear Commisioners) | 1.53 - 2.44 | Ryhope Grange Junction | |
| RWT | Rolleston West Curve | 0.00 - 1.05 | Fiskerton Junction | Rolleston Junction and Southwell |
| RYE | Rye Harbour Branch | 73.07 - 75.01 | Charing Cross via Chelsfield (mileage reversal at junction with RYE) | |
| RYH | Romiley and Hyde Branch | see separate portions | ||
| RYH1 | Romiley to Woodley Junction | 178.33 - 179.44 | St Pancras via Toton | |
| RYH2 | Hyde Junction to Woodley Junction | 6.16 - 8.74 | Manchester Piccadilly via Guide Bridge |