# List of constituents of the London and North Eastern Railway

The London and North Eastern Railway (LNER) was formed out of a number of constituent railway companies at the grouping in 1923.

## Main companies

The main companies, showing their route mileage, were:
* Great Eastern Railway (GER) 1,191+1⁄4 miles (1,906 km)
* Great Central Railway (GCR) 852+1⁄2 miles (1,364 km)
* Great Northern Railway (GNR) 1,051+1⁄4 miles (1,680 km)
* Great North of Scotland Railway (GNSR) 334+1⁄2 miles (535 km)
* Hull and Barnsley Railway 106+1⁄2 miles (170 km) (H&BR) (which had amalgamated with the NER on 1 April 1922)
* North British Railway 1,378 miles (2,218 km) (NBR)
* North Eastern Railway 1,757+3⁄4 miles (2,812 km) (NER)

## Subsidiary companies
### Independently operated lines

* Colne Valley and Halstead Railway 19 miles (31 km)
* East and West Yorkshire Union Railway 9+1⁄2 miles (15 km)
* Mid-Suffolk Light Railway 19+1⁄2 miles (31 km)

### Leased or worked railways

Many of these "railways" existed only in name; they were included on the list at the time of the Railways Act in order to legally qualify each line's position.
* Originally leased to or worked by the NER
** Brackenhill Light Railway (West Yorkshire)
** Forcett Depot line (County Durham) 5+1⁄2 miles (9 km)
** Great North of England, Clarence and Hartlepool Junction line 6+1⁄2 miles (10 km)
* Originally leased to or worked by the GCR
** Humber Commercial Railway and Dock
** Mansfield Railway 10 miles (16 km)
** North Lindsey Light Railway 12 miles (19 km)
** Seaforth and Sefton Junction Railway
** Sheffield District Railway 4+1⁄2 miles (7 km)
* Originally leased to or worked by the GER
** London and Blackwall Railway 6 miles (9.7 km)
* Originally leased to or worked by the GNR
** East Lincolnshire Railway 47+1⁄2 miles (76 km)
** Horncastle Railway 7+1⁄2 miles (12 km)
** Nottingham and Grantham Railway and Canal 23 miles (37 km)
** Nottingham Suburban line 4 miles (6.4 km)
** Stamford and Essendine Railway 12+1⁄2 miles (20 km)
* Originally leased to or worked by the NBR
** Edinburgh and Bathgate Railway 10+1⁄4 miles (16 km)
** Edinburgh and Northern Railway
** Forth and Clyde Junction Railway 30+1⁄2 miles (49 km)
** Gifford & Garvald Railway 9+1⁄4 miles (15 km)
** Glasgow and Milngavie Junction Railway 3+1⁄4 miles (5 km)
** Kilsyth and Bonnybridge railway 8+1⁄2 miles (14 km) (worked jointly with CalR)
** Lauder Light Railway 10+1⁄4 miles (16 km)
** Newburgh and North Fife Railway 13+1⁄4 miles (21 km)
* Originally leased to or worked by H&BR
** South Yorkshire Junction Railway 11+1⁄2 miles (18 km)
* Originally leased to or worked by several constituent companies
** Nottingham Joint Station Committee
** West Riding and Grimsby Railway 32+1⁄2 miles (52 km)

## Independently operated joint companies

* East London Railway: jointly leased by the LNER, Southern Railway, Metropolitan Railway (MetR) and District Railway. Traffic operated by MetR (passenger); LNER (goods)
* Cheshire Lines Committee (CLC): operated jointly by LNER/London, Midland and Scottish Railway (LMS). LNER supplies locomotive power; CLC own rolling stock
* Manchester, South Junction and Altrincham Railway: trains worked by both LNER/LMSR

## Joint railways
### Now totally LNER

* Great Northern and Great Eastern Joint Railway 123 miles (198 km)
* Hull and Barnsley and Great Central Joint Railway 25+3⁄4 miles (41.4 km)

### Joint with LMS

* Axholme Joint Railway 27+3⁄4 miles (44.7 km)
* Cheshire Lines Committee (2⁄3 share) 142 miles (229 km)
* Caledonian and Dunbartonshire Junction Railway (including Loch Lomond steamers) 7 miles (11 km)
* Dundee and Arbroath Railway (including Carmyllie Light Railway) 23 miles (37 km)
* Great Central and Midland Joint Railway 40+1⁄4 miles (64.8 km)
* Great Central & North Staffordshire Joint Railway 11 miles (18 km)
* Great Northern and London and North Western Joint Railway 45 miles (72 km)
* Halifax and Ovenden Junction Railway 2+1⁄2 miles (4.0 km)
* Methley Railway (2⁄3 share) 6 miles (9.7 km)
* Midland and Great Northern Joint Railway 183+1⁄4 miles (294.9 km)
* Norfolk and Suffolk Joint Railway (3⁄4 share) 22+1⁄4 miles (35.8 km)
* Oldham, Ashton and Guide Bridge Railway 6+1⁄4 miles (10.1 km)
* Otley & Ilkley Railway 6+1⁄4 miles (10.1 km)
* Perth General Station (2⁄3 share)
* Prince's Dock, Glasgow (1⁄3 share) 1+1⁄4 miles (2.0 km)
* South Yorkshire Joint Railway (3⁄5 share) 20+1⁄2 miles (33.0 km)
* Swinton and Knottingley Joint Railway 19+1⁄2 miles (31.4 km)
* Tottenham & Hampstead Junction Railway 4+3⁄4 miles (7.6 km)

### Joint with GWR

* Great Western and Great Central Joint Railway 41 miles (66 km)