Network Rail's Strategic Route Sections
- Aberdeen - Inverness
- Amersham - Aylesbury Vale
- Anniesland - Greenhill Lower Jcn
- Ashburys / Hyde North - New Mills Central / Rose Hill
- Barnstaple Branch
- Barnt Green - Stoke Works Jcn
- Barton-on-Humber Branch
- Basingstoke - Salisbury
- Basingstoke - Southampton
- Bedford - Corby / Nottingham
- Bethnal Green - Stansted Airport
- Bicester Town Branch
- Bidston - Border [nr Hawarden Bridge]
- Birmingham - Wichnor Jcn
- Birmingham New Street - Barnt Green
- Birmingham New Street - Wolverhampton
- Birmingham Snow Hill - Stourbridge Junction
- Blackpool North Branch
- Blackpool South Branch
- Bletchley - Bedford
- Bolton - Blackburn
- Border [nr Berwick] - Edinburgh
- Border [nr Chepstow] - Severn Tunnel Jcn
- Border [nr Chirk] - Border [nr Wrexham]
- Border [nr Gretna] - Carstairs
- Border [nr Hawarden Bridge] - Wrexham
- Border [nr Pilning] - Swansea
- Border [nr Pontrillas] - Newport
- Border [nr Saltney Jcn] - Holyhead
- Braintree Branch
- Brighton - Havant
- Brighton / Wivelsfield - Seaford / Hastings
- Bristol - Birmingham Line
- Bristol - Exeter
- Brocklesby Jcn - Cleethorpes
- Bromley North Branch
- Brookwood - Alton
- Buxton Branch
- Cambrian Lines (Wales)
- Cambridge - Chippenham Jcn
- Carnforth - Long Preston
- Carstairs - Edinburgh
- Castle Cary - Dorchester
- Chester / Ellesmere Port - Warrington
- Chesterfield - Swinton (via Sheffield)
- Chingford Branch
- Chislehurst - Ashford
- Chislehurst - Tonbridge
- Cosham - St Denys / Eastleigh
- Cotswolds Line
- Craven Arms - Border [nr Knighton]
- Crewe - Border [nr Pontrillas]
- Crewe - Chester
- Crewe - Kidsgrove
- Crewe - Preston
- Cross City North
- Cumbrian Coast
- Darlington - Bishop Auckland
- Darlington - Eaglescliffe
- Dartford Lines to Gravesend and Hayes Branch
- Deansgate - Euxton Jcn
- Deansgate - Liverpool South Parkway
- Didcot - Border [nr Pilning]
- Didcot - Oxford
- Doncaster - Leeds
- Doncaster - Lincoln
- Doncaster - York
- Dorking - Horsham
- Dunblane / Alloa - Polmont Jcn / Greenhill Upper Jcn
- Dundee - Aberdeen
- Dundee - Dunblane
- Dundee / Perth - Thornton Jcns
- East Grinstead Line
- East Kent Routes
- East London Line
- East Suffolk Line and Norfolk Branches
- Ebbw Valley Line
- Edge Hill - Manchester Victoria (via Earlestown) / Wigan
- Edinburgh - Drumgelloch
- Eglinton Street Jcn - Neilston / Newton including Cathcart Circle
- Ely - Kings Lynn
- Ely - Norwich
- Euston - Rugby
- Euston - Watford Junction (DC Lines)
- Exeter - Exmouth Jcn
- Exeter - Plymouth
- Exmouth Branch
- Falmouth Docks Branch
- Far North and Kyle Line
- Felixstowe - Ipswich
- Fenchurch Street - Shoeburyness
- Fife Loop
- Fishguard - Clarbeston Road
- Forest Gate Jcn - Barking
- Gainsborough - Barnetby
- Gilberdyke - Hatfield & Stainforth / Knottingley and Church Fenton - Moorthorpe
- Glasgow - Ayr / Largs / Wemyss Bay / Gourock
- Glasgow - Edinburgh
- Glasgow North Electric Routes
- Gloucester - Border [nr Chepstow]
- Gospel Oak - Stratford
- Gospel Oak - Woodgrange Park
- Gravesend / Swanley - Margate
- Greenford Lines
- Guide Bridge - Chester (via Stockport)
- Guide Bridge - Glossop / Hadfield
- Guildford - Wokingham
- Gunnislake Branch
- Hackney Downs - Cheshunt / Enfield Town
- Harwich Branch
- Hastings - Ashford
- Hazel Grove - Edgeley Jcn
- Heathrow Airport Jcn - Reading
- Henley-on-Thames Branch
- Hertford East Branch
- Hertford Loop
- Hitchin - Cambridge
- HS1
- Hull - Micklefield
- Hull - Seamer
- Hurst Green - Uckfield
- Inner Windsor Lines
- Ipswich - Norwich
- Isle of Wight
- Kings Cross - Peterborough
- Knottingley - Mirfield (via Crofton Jcn) / Castleford and via Castleford Jcn) - Leeds West Jcn / Whitwood
- Lanark Branch
- Leamington Spa - Birmingham Snow Hill
- Leeds - Colton Jcn
- Leeds - Halifax (via Bradford)
- Leeds - Skipton / Ilkley
- Leeds - York (via Harrogate)
- Lincoln - Peterborough
- Liverpool Lime Street - Liverpool South Parkway
- Liverpool Street - Shenfield
- Llandudno - Blaenau Ffestiniog
- Llanelli - Border [nr Knighton]
- London - Chislehurst
- London Bridge - Windmill Bridge Jcn
- Looe Branch
- Lymington Branch
- Maesteg - Bridgend
- Main Line Suburban Lines
- Manchester Airport - Wilmslow / Slade Lane Jcn
- Manchester Piccadilly - Crewe
- Manchester Piccadilly - Deansgate
- Manchester Victoria - Mirfield (via Rochdale) / Stalybridge
- Marlow Branch
- Marylebone - Aynho Jcn
- Matlock Branch
- Merseyrail
- Metropolitan Line
- Midcalder Jcn - Holytown Jcn
- Middlesbrough - Whitby
- Moorgate Branch
- Morecambe / Heysham Port Branch
- Muirhouse Jcn - East Kilbride / Kilmarnock
- Netherfield - Grantham
- Newark - Barnetby
- Newbury - Cogload Jcn
- Newcastle - Border [nr Berwick]
- Newcastle - Carlisle
- Newcraighall - Portobello Jcn
- Newquay Branch
- Newton - Gartsherrie South / Rutherglen Jcn
- North Berwick Branch
- North Stafford Jcn - Stoke-on-Trent
- Northallerton - Newcastle
- Northallerton - Stockton
- Norton Bridge / Colwich Jcn - Cheadle Hulme
- Nottingham - Newark
- NTP: Leeds - Guide Bridge
- NTP: Manchester Piccadilly - Guide Bridge
- Nuneaton - Coventry
- Nuneaton - South Wigston
- Okehampton Branch
- Other Freight Lines
- Outer Windsor Lines
- Oxford - Coventry
- Paddington - Heathrow Airport Jcn
- Paignton Branch
- Paisley Canal Branch
- Penistone Line
- Perth - Inverness
- Peterborough - Doncaster
- Peterborough - Stowmarket
- Plymouth - Penzance
- Preston - Border [nr Gretna]
- Princes Risborough - Aylesbury
- Reading - Basingstoke
- Reading - Didcot
- Reading - Newbury
- Redbridge / Eastleigh - Salisbury
- Redditch - Barnt Green
- Redhill - Guildford
- Redhill - Tonbridge
- Richmond - Willesden Jcn
- Roses Line and Branches
- Rugby - Birmingham New Street
- Rugby - Stafford
- Rugeley - Bescot
- Salisbury - Bathampton Jcn / Thingley Jcn
- Salisbury - Exmouth Jcn
- Scotland Boundary - Barassie Jcn
- Settle and Carlisle
- Severn Beach Branch
- Sheerness Branch
- Sheffield - Gainsborough
- Sheffield Meadowhall - Horbury Jcn
- Shenfield - Ipswich
- Shenfield - Southend / Southminster
- Shrewsbury - Border [nr Chirk]
- Skegness - Grantham
- South Central Inner Suburban
- South Central Sutton Lines
- South Kirkby Jcn - Swinton
- South Wales Valleys
- Southampton - Weymouth
- Southport / Kirkby - Wigan Wallgate
- St Ives Branch
- St Pancras - Bedford
- Stafford - Crewe
- Stansted - Ely
- Stechford - Wolverhampton via Aston
- Stockton - Newcastle
- Stockton - Saltburn
- Stourbridge Branch
- Stourbridge Junction - Hereford
- STP: Dore - Hazel Grove
- Stranraer - Ayr
- Stratford-upon-Avon Lines
- Strood - Paddock Wood
- Sudbury Branch
- Swansea - Milford Haven
- Swindon (via Bath Spa) / Bristol
- Swindon - Stonehouse
- Swinton - Brocklesby Jcn
- Syston - Peterborough / Corby
- Tattenham Corner and Caterham Lines
- Thameslink Routes
- Three Bridges - Arundel Jcn
- Tilbury Loop
- Tonbridge - Continental Jcn
- Tonbridge - Hastings
- Upminster Branch
- Victoria - Windmill Bridge Jcn
- Victoria Lines
- Walton and Clacton Branches
- Water Orton - Nuneaton
- Waterloo - Woking
- Watford Junction - St Albans Abbey
- WCML: Glasgow Central - Carstairs
- Weaver Jcn - Liverpool South Parkway
- West Highland Line
- West London Line
- Weston-super-Mare Loop
- Whitland - Pembroke Dock
- Wichnor Jcn / Long Eaton - Chesterfield
- Wigan Wallgate - Manchester Victoria
- Willesden Jcn - Gospel Oak
- Windermere Branch
- Windmill Bridge Jcn - Brighton
- Windsor and Eton Branch
- Woking - Basingstoke
- Woking - Portsmouth
- Wolverhampton - Stafford
- Wolverhampton – Shrewsbury
- Worksop / Chesterfield - Nottingham
- York - Northallerton
- York - Scarborough