Last update 11 April 2023
Please follow these links for:
| Code | Line Name | Route Availability (RA) |
|---|---|---|
| NW1001 | Armitage Junction (inclusive) to Preston (Fylde Junction) | 8 |
| NW1002 | Penkridge station (inclusive) to Trent Valley Junction No.1 (Stafford) | 8 |
| NW1003 | Silverdale to Madeley | 8 |
| NW1004 | Rugeley Town (exclusive) to Rugeley North Junction | 8 |
| NW1005 | Kidsgrove (exclusive) to Crewe South Junction | 8 |
| NW1007 | Nantwich (exclusive) to Crewe South Junction | 8 |
| NW1009 | Basford Hall Junction to Sydney Bridge Junction (Independent Lines) Replaced by new NW1009 from 11 March 2006 | 8 |
| NW1009 | Basford Hall Junction to Sandbach South Junction (Independent Lines) Replaced old NW1009 from 11 March 2006 | 8 |
| NW1011 | Gresty Lane to Salop Goods Junction (Salop Lines) | 8 |
| NW1013 | Crewe Sorting Sidings North to Gresty Lane | 8 |
| NW1015 | Salop Goods Junction to Crewe North Junction (Chester Independent Lines) | 8 |
| NW1017 | Salop Goods Junction to Crewe Coal Yard (Liverpool Independent Lines) | 8 |
| NW1019 | Acton Grange Junction to Warrington South Junction (Helsby Lines) | 8 |
| NW1021 | Winwick Junction to Golborne Junction (Earlestown Lines) | 8 |
| NW1023 | Haydock Branch Junction to Kelbit Private Sidings | 8 |
| NW1025 | Bamfurlong Sidings Junction to Ince Moss Junction (Ince Moss Goods Lines) Replaced by new NW1025 from 22 July 2013 | 7 |
| NW1025 | Bamfurlong Sidings Junction to Ince Moss Junction (Ince Moss Chord Line) Replaced old NW1025 from 22 July 2013 | 7 |
| NW1027 | Preston South Junction to Strand Road | 8 |
| NW2001 | Weaver Junction to Liverpool Lime Street | 8 |
| NW2003 | Runcorn to ICI Salt Works (Runcorn Dock Branch) | 8 |
| NW2005 | Speke Junction to Garston Junction | 8 |
| NW2007 | Allerton East Junction to Garston Junction | 8 |
| NW2009 | Arpley Junction to Ditton East Junction | 8 |
| NW2011 | Walton Old Junction to Arpley Junction | 8 |
| NW2013 | Deal Street to Ordsall Lane Junction Code used in 1998; see also NW6007 | 8 |
| NW2015 | Ordsall Lane Junction to Edge Hill | 8 |
| NW2017 | Eccles to Weaste | 8 |
| NW2019 | Parkside Junction to Lowton Junction (East Curve Lines) | 8 |
| NW2021 | Earlestown South Junction to Earlestown West Junction (Liverpool Curve) | 8 |
| NW2023 | Springs Branch Junction to Huyton Junction (St Helens Lines) | 7 |
| NW2025 | St Helens Station to Ravenhead Junction | 8 |
| NW2027 | Edge Hill Bootle Branch Junction to Regent Road Level Crossing Replaced by new NW2027 from 31 July 2021 | 8 |
| NW2027 | Edge Hill Bootle Branch Junction to Liverpool Docks Replaced old NW2027 from 31 July 2021 | 8 |
| NW2029 | Olive Mount Junction to Edge Lane Junction From 1 December 2008 | 8 |
| NW3001 | Crewe North Junction to Holyhead | 8 |
| NW3003 | Chester East Junction to Acton Grange Junction | 8 |
| NW3005 | Gobowen (exclusive) to Saltney Junction | 8 |
| NW3007 | Wrexham Central to Bidston West Junction | 7✖Wrexham Central - Wrexham General RA5; Wrexham General - Dee Marsh Junction RA8 |
| NW3009 | Chester North Junction to Chester South Junction | 8 |
| NW3011 | Chester West Junction to Hooton South Junction | 8 |
| NW3013 | Hooton South Junction to Helsby Junction | 8 |
| NW3015 | Llandudno Junction to Blaenau Ffestiniog | 7 |
| NW3017 | Llandudno Junction to Llandudno | 7 |
| NW3019 | Gaerwen to Amlwch | 6 |
| NW3021 | Frodsham Junction to Halton Junction | 8 |
| NW3023 | Edgeley Junction No 2 to Mickle Trafford | 8 |
| NW3025 | Skelton Junction to Partington | 7 |
| NW3027 | Timperley to Altricham (Metrolink Lines) | 8 |
| NW3029 | Sandbach North Junction to Northwich West Junction | 8 |
| NW3031 | Northwich South Junction to Northwich Station Junction | 8 |
| NW3033 | Hartford East Junction to Hartford North Junction (East Goods Lines) | 8 |
| NW3035 | Hartford West Junction to Hartford North Junction (West Goods Lines) Replaced by new NW3035 from 31 July 2021 | 8 |
| NW3035 | Hartford West Junction to Oakleigh Sidings (Winnington Branch) Replaced old NW3035 from 31 July 2021 | 8 |
| NW3037 | Hartford CLC Junction to Hartford Junction | 8 |
| NW4001 | Preston Ribble Junction to Cove Level Crossing (including Goods Lines at Upperby) | 8 |
| NW4003 | Preston Fylde Junction to Deepdale Junction Level Crossing | 8 |
| NW4005 | Preston Fylde Junction to Blackpool North | 8 |
| NW4007 | Kirkham North Junction to Blackpool South | 8 |
| NW4009 | Poulton to Burn Naze Disconnected from 3 April 2017 | 8 |
| NW4011 | Morecambe South Junction to Morecambe | 8 |
| NW4013 | Hest Bank to Bare Lane | 8 |
| NW4015 | Not allocated, though referenced without definition in a single 2003 notice (in error?) | |
| NW4017 | Morecambe Junction to Heysham Port | 8 |
| NW4019 | Oxenholme to Windermere | 8 |
| NW4021 | Upperby Junction to Rome Street Junction (Through Goods Lines) | 8 |
| NW4023 | Upperby Junction to London Road Junction | 8 |
| NW4025 | Currock Junction to Bog Junction (Maryport & Carlisle Goods Lines) | 8 |
| NW4027 | Carlisle Yard Recess Sidings to Brunthill | 8 |
| NW4029 | Mossband Junction to Bush-on-Esk (Longtown Branch) | 8 |
| NW4031 | Gretna Junction to Annan (exclusive) Replaced by new NW4031 from 4 August 2008 | 8 |
| NW4031 | Gretna Junction to Gretna Green Replaced old NW4031 from 4 August 2008 | 8 |
| NW4033 | Carnforth North Junction to Carlisle South Junction (via Barrow) | 8✖Whitehaven - Maryport RA7 |
| NW4035 | Carnforth East Junction to Carnforth Station Junction Replaced by NZ0005 from 4 April 1998 | unknown |
| NW4037 | Wennington to Carnforth Furness & Midland Junction Replaced by NZ0003 from 4 April 1998 | 8 |
| NW4039 | Plumpton Junction to Glaxo Siding Route now closed and removed | unknown |
| NW4041 | Dalton Junction to Park South Junction | 8 |
| NW4043 | Siddick Junction to Buckhill via Calva Route closed September 1998 and removed | unknown |
| NW4045 | Howe & Co's Siding to Carlisle South Junction Replaced by NZ0001 from 4 April 1998 | unknown |
| NW4047 | Corby Gates to Petteril Bridge Junction Replaced by NZ0009 from 4 April 1998 | 8 |
| NW4049 | London Road Junction to Bog Junction (Newcastle Goods Lines) Replaced by NZ0011 from 4 April 1998 | 8 |
| NW5001 | Crewe North Junction to Manchester Piccadilly | 8 |
| NW5003 | Wilmslow to Slade Lane Junction (Styal Lines) | 8 |
| NW5005 | Heald Green South Junction to Heald Green West Junction | 8 |
| NW5007 | Manchester Airport to Heald Green North Junction | 8 |
| NW5008 | Manchester Airport Stone Terminal to Heald Green West Junction | 8 |
| NW5008 | Norton Bridge Junction to Stone Junction | 8 |
| NW5009 | Colwich Junction to Cheadle Hulme | 8 |
| NW5010 | Glebe Street Junction to Caldon Colliery Code deleted 16 June 2007 | 6 |
| NW5011 | Heaton Norris Junction to Guide Bridge Station Junction | 8 |
| NW5012 | Foley Crossing (exclusive) to Stoke Junction | 8 |
| NW5013 | Denton Junction to Ashton Moss North Junction | 8 |
| NW5015 | Hadfield to Ardwick Junction | 8 |
| NW5017 | Dinting South Junction to Dinting East Junction | 8 |
| NW5019 | Glossop to Dinting West Junction | 8 |
| NW5021 | Stalybridge to Guide Bridge West Junction Replaced by new NW5021 from 1 April 2023 | 8 |
| NW5021 | Guide Bridge West Junction to Stalybridge Replaced old NW5021 from 1 April 2023 | 8 |
| NW6001 | Manchester Piccadilly East Junction to Euxton Junction | 8 |
| NW6003 | Castlefield Junction to Allerton Junction | 7✖Castlefield Junction - Trafford Park RA8 |
| NW6004 | Water Street Junction to Deal Street Junction (Ordsall Chord Lines) From 2 October 2017 | 10 |
| NW6005 | Manchester Victoria East Junction to Windsor Bridge South Junction | 8 |
| NW6007 | Deal Street Junction to Ordsall Lane Junction | 8 |
| NW6009 | Windsor Bridge North Junction to Southport | 8 |
| NW6011 | Bolton East Junction to Blackburn Bolton Junction | 8 |
| NW6013 | Lostock Junction to Crow Nest Junction | 8 |
| NW6015 | Wigan Wallgate to Kirkby Replaced by new NW6015 from 29 April 2023 | 7 |
| NW6015 | Wigan Wallgate to Headbolt Lane Replaced old NW6015 from 29 April 2023 | 7 |
| NW7001 | Manchester Victoria West Junction to Hebden Bridge | 8 |
| NW7003 | Manchester Victoria East Junction to Thorpes Bridge Junction via Cheetham Hill Route removed from Sectional Appendix 15 September 1998; now closed for Metrolink | unknown |
| NW7005 | Castleton East Junction to Hopwood Ground Frame | 8 |
| NW7006 | Todmorden to Stansfield Hall Junction (Todmorden West Curve) From 14 September 2013 | 8 |
| NW7007 | Farington Curve Junction to Ormskirk | 8 |
| NW7009 | Farington Curve Junction to Hall Royd Junction (East Lancs Line) | 8 |
| NW7011 | Farington Junction to Lostock Hall Junction (Lostock Hall Lines) | 8 |
| NW7013 | Daisyfield Junction to Hellifield | 8 |
| NW7015 | Padiham Power Station Sidings to Rose Grove West Junction | 7 |
| NW7017 | Gannow Junction to Colne | 8 |
| NW7019 | Thorpes Bridge Junction to Rochdale (via Oldham) Replaced by new NW7019 from 5 October 2009 | 8 |
| NW7019 | Thorpes Bridge Junction to GMC Siding Replaced old NW7019 from 5 October 2009 | 8 |
| NW7021 | Miles Platting Junction to Marsden | 8 |
| NW7023 | Philips Park West Junction to Brewery Junction | 8 |
| NW7025 | Philips Park West Junction to Ashburys West Junction | 7✖Philips Park West Junction - Philips Park South Junction RA8 |
| NW7027 | Baguley Fold Junction to Philips Park South Junction | 8 |
| NW8001 | Hunts Cross West Junction to Southport (Southport Lines) | 8 |
| NW8003 | Paradise Junction to James Street (Stock Interchange/Holding Line) | 8 |
| NW8005 | Sandhills Junction to Ormskirk | 8✖Sandhills Junction - Walton Junction RA7 |
| NW8007 | Bootle Junction to Aintree Emergency Ground Frame | 7✖Bootle Junction - 3m 52ch RA8 |
| NW8009 | Walton Junction to Kirkby Replaced by new NW8009 from 29 April 2023 | 7 |
| NW8009 | Walton Junction to Headbolt Lane Replaced old NW8009 from 29 April 2023 | 7 |
| NW8011 | Mann Island Junction to West Kirby (via Loop) | 8 |
| NW8013 | Canning Street Junction to Hooton South Junction | 8 |
| NW8015 | Bidston East Junction to New Brighton (New Brighton Lines) | 6 |
| NW8017 | Canning Street North to Rock Ferry South Junction (Canning Street Lines) | 8 |
| NW9001 | Dore West Junction to Edgeley Junction No 1 (Hope Valley Lines) | 8 |
| NW9003 | Chinley East Junction to Chinley South Junction (Chord Line) | 8 |
| NW9005 | Chinley North Junction to Buxton | 8 |
| NW9007 | New Mills South Junction to Ashburys East Junction | 8✖Romiley Junction - Ashburys East Junction RA7 |
| NW9009 | Marple Wharf Junction to Rose Hill | 7 |
| NW9011 | Romiley Junction to Hyde Junction | 8 |
| NW9013 | Woodley Junction to Bredbury Sidings | 7 |
| NW9015 | Not allocated | |
| NW9017 | Hazel Grove High Level Junction to Northenden junction | 8 |
| NW9019 | Buxton to Brigg's Sidings | 8 |
| NW9021 | Buxton to Hazel Grove East Junction | 8 |
| NW9901 | Gargrave to Carlisle South Junction Replaced NZ0001 from December 2006 | 8 |
| NW9903 | Settle Junction to Carnforth Station Junction Replaced NZ0003 from December 2006 | 8 |
| NW9905 | Assumed allocated to Carnforth East Junction to Carnforth Station Junction | |
| NW9907 | Warcop to Appleby Replaced NZ0007 from December 2006 | 7 |
| NW9909 | Corby Gates to Petteril Bridge Junction Replaced NZ0009 from December 2006 | 8 |
| NW9911 | London Road Junction to Bog Junction (Newcastle Goods Lines) Replaced NZ0011 from December 2006 | 8 |
| NZ0001 | Gargrave to Carlisle South Junction Replaced part of NW4037 from 4 April 1998. Replaced by NW9901 from December 2006 | 8 |
| NZ0003 | Settle Junction to Carnforth Station Junction Replaced part of NW4037 from 4 April 1998. Replaced by NW9903 from December 2006 | 8 |
| NZ0005 | Carnforth East Junction to Carnforth Station Junction Replaced NW4035 from 4 April 1998 | unknown |
| NZ0007 | Warcop to Appleby From 4 April 1998. Replaced by NW9907 from December 2006 | 7 |
| NZ0009 | Corby Gates to Petteril Bridge Junction Replaced NW4047 from 4 April 1998. Replaced by NW9909 from December 2006 | 8 |
| NZ0011 | London Road Junction to Bog Junction (Newcastle Goods Lines) Replaced NW4049 from 4 April 1998. Replaced by NW9911 from December 2006 | 8 |