Last update 18 November 2009
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Introduction A B C D E F G H I J K L M N O P Q R S T U V W X Y Z Lines without codes London Underground system
Phil Deaves, Swindon, Wiltshire
I am always grateful for additional information, whether entirely new records (particularly historical records), or information to fill in gaps or correct errors, via the email address above. Thank you.
| Code | Line Name | Mileages | Datum | Notes |
|---|---|---|---|---|
| PAA | Pirbright and Alton Line | see separate portions | ||
| PAA1 | Pirbright Junction to Farnham Junction | 29.30 - 36.76 | Waterloo via Brookwood | |
| PAA2 | Farnham Junction to Alton | 39.20 - 49.14 | Waterloo via Worplesdon, Guildford (reverse) and Tongham | |
| PAB | Prestwick and Annbank Branch | 36.75 - 40.08 | Bridge Street Station | Possibly 0.00 - 3.13 from Monkton Junction |
| PAC | Patchway Curve | 0.00 - 0.42 | Patchway Junction No 1 | |
| PAD | Parkhead Branch | 0.00 - 0.71 | Haghill Junction | North British Haghill Junction to Parkhead North Junction |
| PAG | Panteg Goods Lines | now PGL | ||
| PAG | Park Gate Branch | 0.00 - 0.40 | Park Gate Junction, Rotherham Road | Great Central Railway branch to Park Gate Steel Works |
| PAH | Par Harbour Branch | 282.45 - 282.50 + harbour | Paddington via Box, Plymouth Millbay (reverse) and St Blazey Junction (reverse) | |
| PAL | Palacecraig Branch | 0.00 - 0.71 | Whifflet Central Junction | North British Railway route |
| PAM | Palmerston Branch | 142.02 - 142.33 | King's Cross | Colliery at Pinxton Great Northern Railway |
| PAN | Fawcett Street Junction Hendon Junction for Pallion branch | 0.00 - 1.00 | Fawcett Street Junciton | |
| PAP | Partick Loop | ?? | ?? | 0.20 long, Partick East Junction to Partick North Junction, Caledonian Railway route |
| PAR | Par Loop | 281.57 - 282.25 | Paddington via Box and Plymouth Millbay (reverse) | |
| PAS | Portsmouth and Southsea Branch | 44.17 - 44.47 | Brighton | |
| PAT | Purley and Caterham Line | 14.77 - 19.71 | Charing Cross | |
| PAY | Parkgate Colliery Branch | 0.00 - 0.50 | Parkgate Junction, Midland Railway | Near Parkgate & Rawmarsh |
| PBA | Peebles Branch (Hardengreen Junction to Kilnknowe Junction) | 11.24 - 44.44 | Edinburgh Waverley | LNER route |
| PBB | Peebles Branch (Symington to Peebles West) | 0.00 - 19.03 | Symington | LMSR route |
| PBC | Pinxton to Bentinck Colliery Branch | 135.52 - 137.20 | St Pancras via Toton | Midland Railway System Map: Langton Colliery Branch Junction 135.53, Langton Colliery 136.27, Bentinck Loaded Wagon Branch Junction 136.11 to end of MR at 137.06 |
| PBE | Putney Bridge to East Putney Junction | 7.15 - 7.71 | Mansion House | London Underground 49.60 - 50.72 km |
| PBH | Paisley Lacy Street to Blackbyres Line | 0.00 - 2.57 | Blackbyres Junction | Paisley East Branch |
| PBJ | Proof House Junction (Birmingham) and Bushbury Junction (Oxley) Line | -0.08 - 15.32 | Curzon Street | |
| PBL | Perry Barr Loop (Perry Barr North to West Junctions Curve) | 0.00 - 0.29 | Perry Barr North Junction | |
| PBN | Preston and Blackpool North Branch | 0.00 - 17.49 | Preston | |
| PBO | Portobello Junction (for Leith South) to Portobello Coal Depot | 3.05 - 3.51 | Edinburgh Waverley | |
| PBS | Pye Bridge to Shirebrook Line | see separate portions | ||
| PBS1 | Pye Bridge to mileage change | 133.61 - 138.79 | St Pancras via Leicester and Toton | |
| PBS2 | Mileage change to Mansfield | 137.11 - 140.40 | St Pancras via Corby and Newstead | |
| PBS3 | Mansfield to LM/ER boundary | 140.40 - 143.40 | St Pancras via Corby and Newstead | |
| PBW | Portobello Bottle Works Siding | 0.00 - 0.17 | Portobello West Box | |
| PBY | Portbury Dock Branch | 126.32 - c127.48 | London Paddington | Listed to 127.32 |
| PBZ | Pyle Branch | now PIZ | ||
| PBZ | Pencoed Branch | 4.56 - 6.59 | Llanharan Junction | Originally 0.00 - 1.75 ex Ynysawdre Junction |
| PCB | Port Carlisle Branches | see separate portions | ||
| PCB1 | LNER Brach | 8.73 - 10.61 | Carlisle Canal Junction | |
| PCB2 | LMSR Branch | 0.00 - 0.34 | Port Carlisle Branch Junction | |
| PCG | Preston Connecting Line | 14.78 - 15.23 | Southport, Chapel Street | |
| PCH | Pettycur Harbour Branch | 0.00 - 0.30 | Pettycur Siding, south of Kinghorn | |
| PCL | Parkhouse to Castlehill Line | 0.00 - 0.21 | Castlehill Junction | Ardrossan |
| PCM | Prestatyn and Cwm Branch | 0.00 - 2.74 | Prestatyn Junction | |
| PCN | Perceton Branch | 0.00 - 0.60 | Perceton Branch Junction | Near Dreghorn |
| PCY | Pinxton Colliery Branch | 142.47 - 143.03 | King's Cross | |
| PDA | Pool Dam Branch | 0.00 - 1.22 | Pool Dam or Knutton Forge Junction | Near Newcastle under Lyme |
| PDB | Penarth Dock Branch | now PDK | ||
| PDB | Preston Deepdale Branch | 0.03 - 7.07 | Preston | |
| PDC | Plasmadoc Branch | 0.00 - 1.06 | Plasmadoc Junction | |
| PDI | Port Dinorwick Branch | 0.00 - 0.60 | Branch Junction | |
| PDK | Penarth Dock Branch North Side | 2.25 - 3.22 | Penarth Junction | Formerly PDB |
| PDK | Penarth Dock Branch South Side | 2.25 - 3.28 | Penarth Junction | Formerly PDB |
| PDL | Pelaw Down Link Line | 97.64 - 98.15 | Leeds Wortley Junction via Harrogate Starbeck and Northallerton Low Level | |
| PDM | Port Dundas Branch (LMS) | 103.45 - 104.20 | Carlisle | Continuation of DSW |
| PDN | Port Dundas Branch (LNE) | 0.00 - 0.72 | Cowlairs Station | |
| PDQ | Padstow Quay Branch | 259.29 - 259.56 + quay | Waterloo | |
| PDZ | Pontrhydyfen Branch/No 8 Railway (not opened) | 0.00 - 2.01 | South Wales Mineral Junction | |
| PEB | Port Edgar Branch | 0.00 - 2.38 | Dalmeny South Junction | May start mileage at Ratho |
| PED | Penistone and Doncaster Line | see separate portions | ||
| PED1 | Huddersfield Junction (Penistone) to Barnsley Junction | 28.31 - 29.13 | Manchester London Road | |
| PED2 | West Silkstone Junction to Quarry Junction | 0.00 - 7.50 | Barnsley Junction (Penistone) via Barnsley | Mileage jumps 4.71/4.68: new alignment 01.05.1967 on construction of M1 motorway |
| PED3 | Quarry Junction to Wath 13m 33ch | 7.50 - 13.33 | Barnsley Junction (Penistone) via Barnsley | |
| PED4 | Wath 13m 33ch to Mexborough East Junction | 13.33 - 15.64 | Barnsley Junction (Penistone) via Barnsley and Wath | Part now SJM2 |
| PED5 | Mexborough East Junction to Doncaster | 15.64 - 22.56 | Barnsley Junction (Penistone) via Barnsley and Wath | |
| PEF | Pontefract to Ferrybridge Curve | 2.38 - 3.06 | Burton Salmon | |
| PEH | Penistone and Huddersfield Line | 0.40 - 13.42 | Huddersfield | |
| PEJ | Pontypool Road East Junction to Coedygric Junction | 32.57 - 33.21 | Rotherwas Junction | |
| PEL | Penrith Loop LNER | 0.00 - 1.04 | Eamont Junction | Eamont Junction to Red Hills Junction, NER |
| PEM | Pembroke and Tenby Branch | 258.68 - 286.28 + docks | Paddington via Stroud | |
| PEN | Penar Branch | 4.67 - 10.28 + colliery | Halls Road Junction | |
| PES | Ponders End Sidings | 9.64 - 10.09 | Liverpool Street | |
| PET | Benhar Junction to Polkemmet Colliery BR/NCB Boundary | 11.00 - 12.62 | Glasgow High Street | North British Railway route |
| PEW | Penshaw Branch | 0.00 - 5.71 | Penshaw North | Penshaw North to Sunderland South Junction |
| PEZ | Penrhos Loop | 11.66 - 12.36 | Cadoxton Junction | |
| PFK | Pilton Fork | 0.00 - 0.40 | Pilton West Junction | On Caledonian Railway Granton branch |
| PGB | Partick Goods Branch | 0.00 - 0.19 | Branch Junction | Assuming Cal line |
| PGL | Panteg Goods Lines | 32.47 - 33.64 | Rotherwas Junction | Formerly PAG |
| PGN | Partick Goods Branch LNER | 0.00 - 0.29 | Partick Junction | |
| PGQ | Parkeston Goods Junction to Parkeston Quay Line | 68.02 - 68.46 | Liverpool Street | |
| PGS | Palace Gates to Seven Sisters Line | 5.48 - 8.11 | Liverpool Street | |
| PGZ | Paddington Goods Lines | 0.21 - 2.61 | Paddington | |
| PHA | Perth Harbour Branch | 150.31 - 150.71 | Carlisle via Ravenscraig No 1 | |
| PHB | Penarth Harbour Branch | 0.70 - 2.29 | Cardiff Central | |
| PHC | Priory Yard Hull Central Goods | 0.00 - 1.29 | Hessle East Junction | |
| PHL | Crystal Palace High Level Branch | 6.20 - 9.66 | Victoria | |
| PHR | Portsoy Harbour Branch | 0.00 - 0.35 | Portsoy South Box | |
| PHS | Peterborough Holding Sidings | ?? | ?? | |
| PHY | Parsley Hay to Ashbourne Line | 0.00 - 13.31 | Parsley Hay | |
| PIC | Pickburn Branch | 0.00 - 11.37 | Wrangbrook Junction | |
| PIE | Piel Branch | 0.00 - 2.73 | Salthouse Junction | |
| PIG | Pinxton Branch | 134.63 - 142.37 | King's Cross | Great Northern route |
| PIL | Pilsley Branches | see separate portions | ||
| PIL1 | Pilsley Old Branch | 1.66 - 2.67 | Pilsley Branch Junction | Pilsley Colliery Junction - Holmwood Colliery Junction with GSR Grassmoor Branch and Pilsley Extension |
| PIL2 | Pilsley Branch | 0.00 - 2.31 | Pilsley Branch Junction | Pilsley Branch Junction to Pilsley Colliery |
| PIL3 | Pilsley Colliery Branch | 0.00 - 0.35 | Pilsley Station, Great Central | |
| PIS | Pickering to Seamer Line | 0.00 - 16.02 | Mill Lane Box, Pickering | |
| PIZ | Pyle Branch | 0.00 - 1.01 | Waterhall Junction | Formerly PBZ |
| PJE | Plough Junction to East Junction/Port Talbot Junction to Plough Junction | see separate portions | ||
| PJE1 | Aberavon end | 13.50 - 13.67/202.67 - 203.03 | R&SB Junction/Paddington via Stroud | |
| PJE2 | Port Talbot end | 202.61 - 202.67 | Paddington via Stroud | |
| PJL | Parkside Junction to Lowton Junction Curve (Parkside West Curve) | 0.05 - 0.36 | Parkside Junction | |
| PJM | Clifton Branch (Patricroft Junction to Molyneux Junction) | 0.00 - 3.40 | Patricroft Junction | |
| PJP | Penwortham Junction to Preston (West Lancs) Line | 14.27 - 15.12 | Southport | |
| PJW | Portobello Junction to Wolverhampton Loop (also known as Portobello Loop) | 0.00 - 1.59 | Portobello Junction | |
| PJZ | Penywern Junction to Ivor Junction (Dowlais) | 0.00 - 0.21 | Penywern Junction | |
| PKB | Poplar Dock "B" | ?? | ?? | Which dock is 'B'?? |
| PLA | Platt Bridge Line | 0.00 - 1.10 | Bamfurlong Junction | Bamfurlong Junction to Amberswood West Junction |
| PLB | Plank Lane Branch (West Leigh Junction to Bickershaw Colliery) | 0.00 - 0.35 | Bickershaw Junction | |
| PLC | Paisley Canal Line | 7.03 - 8.56 | Port Eglington Junction | Paisley Canal - Elderslie |
| PLF | Plains (Ford) Branch | 0.00 - 0.39 | Serves Barblues Colliery and Ford Colliery | |
| PLG | Park Lane Junction to Greensfield Junction Chord (Newcastle) | see separate portions | ||
| PLG1 | Park Lane Junction to High Street Junction | 100.68 - 101.15 | Leeds Wortley Junction via Harrogate Starbeck, Northallerton Low Level and Sunderland | |
| PLG2 | High Street Junction to Greensfield Junction | 0.00 - 0.22 | High Street Junction | |
| PLK | Pickets Lock Sidings | 0.00 - 0.24 | Pickett's Lock Box | Between Angel Road and Ponders End |
| PLL | Pemberton Loop (Hindley No 3 Junction to Pemberton Junction) | 16.04 - 19.08 | Manchester Victoria via Walkden | |
| PLM | Plymouth Millbay Docks Branch | 246.31 - 247.18 | Paddington via Box | |
| PLN | Plean Branch | 0.00 - ?? | Plean Branch Junction | |
| PLO | Plymouth Loop No. 1 | 0.00 - 0.38 + ?? | Lipson Junction | |
| PLP | Pontefract Loop | 0.00 - 0.69 | Pontefract Baghill | Pontefract Baghill - Pontefract Monkhill East Junction |
| PLS | Plymstock Branch | 0.00 - 1.14 | Turnchapel Branch Junction | Now part of TUR |
| PLY | Pleasley Colliery Branch | 144.13 - 144.45 | King's Cross | Great Northern route |
| PLZ | Plymouth Loop No. 2 | 244.46 - 244.75 | Paddington via Box | |
| PMC | Peat Moss Company's Siding | 0.00 - 0.20 | Peat Moss Siding | Between Fenns Bank and Bettisfield |
| PME | Polmaise Branch | 0.00 - 1.70 | Polmaise Box | Between Bannockburn and Stirling |
| PMJ | Peterborough to Manton Junction Line | -0.01 - 22.59 | Manton Junction | |
| PMN | Pontypool Road Middle Junction to North Junction | 32.46 - 32.64/0.02 - 0.20 | Rotherwas Junction/Taff Vale Extension Junction | |
| PMT | Polmont Junction to Larbert Junction Line | 21.20 - 26.35 | Edinburgh Dalry Road | |
| PMY | Peterborough to Yarmouth Line | see separate portions | ||
| PMY1 | Peterborough to South Lynn | 0.00 - 19.42 | Wisbech Junction | Wisbech Junction to Wisbech. Possibly runs at least as far as 28.69 |
| PMY2 | South Lynn to Yarmouth | 0.00 - 73.01 | South Lynn Junction | |
| PMZ | Pontsmill Branch | 283.13 - 283.61 + sidings | Paddington via Box and Plymouth Millbay (reverse) | Part now also in NEW |
| PNB | Pocket Nook Branch (Peasley Junction to Pocket Nook Junction) | 0.00 - 0.60 | Peasley Junction | |
| PNC | Penclawdd Branch | 0.00 - 5.00 | Penclawdd Branch Junction | |
| PNK | Cowlairs Pinkston Junction to Port Dundas East Branch | 0.00 - 1.07 | Pinkston Junction | |
| PNL | Pennington New Line | 0.00 - 0.70 | Pennington East Junction | Pennington West Junction to East Junction Curve |
| PNS | Cowlairs South Junction to Sighthill West Junction (Cowlairs Chord) | 0.00 - 0.30 | Cowlairs South Junction | Formerly CTY |
| PNZ | (Pilning and) New Passage Pier Line | ~10.60 - 11.16/~1.55 - 2.59 | Bristol Temple Meads/Pilning | Junction with AMB uncertain |
| POB | Pontop and South Shields Branch | 0.00 - 19.20 | Garden Lane Junction | |
| POC | Port Clarence Branch (Billingham) | see separate portions | ||
| POC1 | Billingham Junction to Phillips Petroleum Depot Junction | 0.00 - 3.25 | Billingham Junction | |
| POC2 | Phillips Petroleum Depot Junction to Port Clarence Branch | 3.25 - 5.21 | Billingham Junction | |
| POD | Portishead Branch | 120.26 - 130.29 | Paddington via Box | |
| POF | Polkemmet Fork | 0.00 - 0.39 | Polkemmet Junction | Polkemmet Junction to Bathgate West Junction |
| POH | Porthywaen Branch | 0.00 - 0.78 | Porthywaen Branch Junction | |
| POL | Pontsticill Loop | 17.36 - 18.75 | Brecon | |
| PON | Pontycysllte Branch | 3.19 - 7.03 | Rhos Junction | |
| POP | Pontypridd Loop | 0.00 - 0.17 | Pontypridd Northern Junction | |
| POR | Porthcawl Branch | 0.00 - 9.61 + dock | Tondu North Junction | |
| POU | Poulton Connecting Line | 0.00 - 0.37 | Poulton No 5 Box | Poulton No 5 Box to Poulton No 4 Box |
| POW | Portishead West Loop | 0.00 - 0.30 | West Loop Junction | |
| POY | Ponkey Branch (includes Bryn-yr-Owen/Legacy Branch) | 0.00 - 2.75 | Gardden Lodge Junction | |
| POZ | Portreath Branch | 311.33 - 314.36 | Paddington via Box, Plymouth Millbay (reverse) and Portreath Junction (reverse) | |
| PPA | Philips Park (Miles Platting) and Ashburys Branch | see separate portions | ||
| PPA1 | Phillips Park No 1 Junction to Ardwick Junction (Ardwick Branch) | 1.58 - 3.53 | Manchester Victoria | |
| PPA2 | Ashburys West Junction to Old Midland Junction (Ancoats Branch) | 0.00 - 0.57 | Ashburys West Junction | |
| PPA3 | Ashburys West Junction divergance point to Ashburys West Junction with HAJ (Manchester to Sheffield Line) | 1.30 - 1.37 | Manchester London Road | |
| PPA4 | Ancoats Junction to Ancoats Goods | 0.13 - 1.09 | Ashburys West Junction | |
| PPB | Pearsons Pottery Branch | 0.00 - 0.06 | Pearsons Siding Junction | |
| PPE | Port Penrhyn Branch | 0.00 - 1.20 | Penrhyn Sidings Box | |
| PPH | Preston Park and Hove Branch | 49.43 - 51.02 | London Bridge via Redhill | |
| PPK | Portpatrick Branch | 53.39 - 60.78 | Castle Douglas No 2 SB | May include STN |
| PPP | Philips Park Junction and Baguley Fold Junction (Park, Manchester) Curve | see separate portions | ||
| PPP1 | Park Station Junction to Baguley Fold Junction | 2.13 - 2.39 | Manchester Victoria | |
| PPP2 | Park Station Junction to Philips Park No 2 Junction | 0.00 - 0.19 | Park Station Junction | |
| PPR | Park Prewett Railway | ?? | ?? | |
| PPW | Point Pleasant Junction and Wimbledon Line | 5.11 - 8.47 | Waterloo via East Putney | London Underground 50.72 - 55.15 km |
| PRA | Aylesbury Branch (Princes Risborough to Aylesbury) | 42.31 - 49.46 | Paddington via Wooburn Green | Formerly AYB |
| PRB | Parkend Royal Branch | 12.71 - 13.33 + colliery | Berkeley Road Junction via Parkend Royal Branch Junction (reverse) | |
| PRC | Watlington Branch (Princes Risborough and Chinnor Branch | 0.00 - 8.66 | Princes Risborough | Formerly WAT |
| PRD | Princes Dock Branch | 0.08 - 1.25 | Ibrox Junction | |
| PRE | Presteign Branch | 0.00 - 5.53 | Presteign Branch Junction | |
| PRF | Park Royal Freight Depot | 0.00 - 0.41 | Park Royal Branch Junction | |
| PRG | Park Royal Goods Branch | now PRL | ||
| PRG | Padiham to Rose Grove Branch | 0.00 - 1.76 | Rose Grove West Junction | |
| PRI | Priestcroft Branch | 29.38 - 30.60 | Darlington via Middlesbrough | North Skelton Junction to Priestcroft Junction, Boosbeck |
| PRL | Park Royal Goods Branch | 4.08 - 4.68/0.00 - 0.41 | Paddington/Park Royal Branch Junction | Formerly PRG |
| PRN | Princes End Branch | 0.00 - 2.55 | Princes End Junction | Princes End Junction, Wednesbury - Bloomfield Junction LNW Stour Valley Line |
| PRO | Provan Branch | 0.00 - 0.71 | Garngad | Or 2.51 - 3.42 from Queen Street |
| PRS | Penrhos Branch | 5.55 - 15.40 | Cadoxton Junction | |
| PRT | Thame Branch (ex LM Region) | See also THA (classification changed from January 1988) | ||
| PRY | Park Royal Yard | 0.00 - 0.37 | Park Royal Branch Junction | |
| PRZ | Princetown Branch | 0.00 - 10.43 | Princetown Branch Junction | |
| PSB | Park Street to Napsbury Branch | 0.00 - 1.21 | Park Street Barnch Junction, Napsbury | Never laid |
| PSC | Polegate Junction to Stone Cross Junction Line | 19.64 - 21.45 | Brighton | |
| PSE | Pye to Shireoaks East Junction Line | 143.40 - 154.30 | St Pancras via Corby and Newstead | |
| PSF | Perry Street Fork Junction to Slade Green Junction Line | 15.07 - 15.31 | Charing Cross via Bexleyheath | |
| PSG | Peasmarsh Juction to Shalford Curve | 41.26 - 41.54 | Charing Cross via Redhill | Never laid |
| PSJ | Pontypool Road South Junction to Coedygric Junction | 32.77 - 33.21 | Rotherwas Junction | |
| PSL | Pelham Street Loop | 0.00 - 0.04 | Durham Ox Junction | Durham Ox Junction - Pelham Street Junction |
| PSM | Pulborough Selham and Midhurst Line | ?? | London Bridge via Redhill | Includes structures between 52.40 and 54.20 |
| PSR | Garth Wood | ?? | ?? | |
| PSR | Preston Strand Road Branch | see separate portions | ||
| PSR1 | Preston South Junction to Strand Road Branch divergance | 21.39 - 21.47 | Newton-le-Willows Junction | |
| PSR2 | Preston Strand Road Branch | 0.00 - 0.53 | Original Preston South Junction | To 2.03 Docks |
| PSS1 | Penyfford Connecting Line to Chester to Mold Branch | now MDH1 | ||
| PST | Edinburgh Branch | 99.26 - 100.00 | Carlisle | Assuming Gorgie to Princes Street, Caledonian Railway |
| PSZ | Portskewett Branch | 0.00 - 0.48 | Portskewett Junction | |
| PTA | Penallta Branch (Ystrad Mynach) | 13.41 - 15.01 | Cardiff East Dock | |
| PTB | Prestonpans to Tranent Branch | 0.00 - 1.21 | Prestonpans | |
| PTD | Port Talbot Docks Branch | 0.00 - 2.01 | Zero point with Port Talbot Docks Extension Line | Formerly 0.00 - 1.70: 1949 line diversion added 0.11 |
| PTH | Penarth Branch (including Cadoxton Goods Branch) | 0.00 - 5.66 | Cogan Junction | |
| PTK | Plotcock Branch | ?? | ?? | |
| PTL | Pistill Branch | 13.66 - 14.02 | Llandilo Junction | |
| PTM | Petersfield to Midhurst Line | 54.75 - 64.12 | Waterloo via Woking | |
| PTN | Peterston Branch | 4.56 - 6.55 | Cadoxton Junction | |
| PTP | Port Talbot to Pontyrhyll | 0.00 - 14.01 | Port Talbot Central Station | |
| PTZ | Port Wallaroo Dock Line | 0.00 - 0.46/205.43 - 206.09 | Briton Ferry Docks Branch Junction/Paddington via Stroud and Docks Branch Junction (reverse direction and count) | |
| PUL | Pelaw Up Link Line | 97.64 - 98.02 | Leeds Wortley Junction via Harrogate Starbeck and Northallerton Low Level | |
| PVS | Park Viaduct South (Nuneaton Station) | 9.59 - 10.61 | Whitacre Junction | Formerly NSA. Part on former NMA |
| PWB | Paisley West and Barrhead Line | 7.76 - 11.51 | Port Eglinton Junction | Paisley West, Corsebar Junction - Barrhead Central |
| PWE | Pontardawe Branch | 0.00 - 4.40 + colly | Felin Fran East Junction | Line onwards to Gwaun-Cae-Gurwen not built |
| PWG | Plaistow and West Ham Goods Line | 0.00 - 0.23 | Branch Junction | |
| PWH | Paddock Wood and Hawkhurst Line | 34.75 - 46.23 | Charing Cross via Chelsfield | |
| PWJ | Pontypool Road West Junction to South Junction | 0.00 - 0.29 | Pontypool Road West Junction | |
| PWN | Penllwyn Branch | 0.00 - 1.47 | Penllwyn Branch Junction | |
| PWS | Paddock Wood and Strood Line | see separate portions | ||
| PWS1 | Paddock Wood to Maidstone West | 34.65 - 44.61 | Charing Cross via Chelsfield | |
| PWS2 | Strood to Maidstone West | 31.01 - 42.41 | Charing Cross via Dartford Loop | |
| PWW | Portobello to Wanton Walls Junction (Lothian) Line | 0.00 - 1.62 | South Leith Junction, Portobello | |
| PYB | Park Yard and Blast Lane Depot | 0.13 - 0.26 | Sheffield No 5 Box, Great Central Railway | |
| PYD | North Union Joint to Preston Coal Yard Line | 0.00 - 0.26 | Preston South Junction | = Christian Road Goods |
| PYE | Pyewipe Branch (Immingham) | see separate portions | ||
| PYE1 | Immingham East Dock Junction to mileage change | 106.33 - 106.50 | Manchester London Road via Woodhead | |
| PYE2 | Mileage change to Grimsby Docks ABP boundary | 0.00 - 4.33 | Immingham East Junction with PYE1 | |
| PYE3 | Grimsby Docks within ABP boundary | 4.33 - 4.79 | Immingham East Junction with PYE1 | |
| PYF | Russell's Test Branch | 0.00 - 0.25 | n/a | |
| PYH | Priory Yard Branch Junction to Hessle Road North Junction | 0.00 - 0.54 | Hessle Road North Junction ?? | |
| PYW | Pyle West Loop | 0.00 - 0.72 | Pyle West Loop Junction | |
| PYZ | Pwllyrhebog Branch (including Clydach Vale Branch) | 18.11 - 20.17 | Cardiff Bute Road | |
Introduction A B C D E F G H I J K L M N O P Q R S T U V W X Y Z Lines without codes London Underground system