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 mi (NBR)
 * North Eastern Railway $1,757 3/4$ miles (2,812 km) (NER)

Independently operated lines

 * Colne Valley and Halstead Railway 19 mi
 * 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)
 * Fawcett 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 mi
 * North Lindsey Light Railway 12 mi
 * 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 mi
 * 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 mi
 * Nottingham Suburban line 4 mi
 * 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

Now totally LNER

 * Great Northern and Great Eastern Joint Railway 123 mi
 * Hull and Barnsley and Great Central Joint Railway 25+3/4 mi

Joint with LMS

 * Axholme Joint Railway 27+3/4 mi
 * Cheshire Lines Committee (2⁄3 share) 142 mi
 * Caledonian and Dunbartonshire Junction Railway (including Loch Lomond steamers) 7 mi
 * Dundee and Arbroath Railway (including Carmyllie Light Railway) 23 mi
 * Great Central and Midland Joint Railway 40+1/4 mi
 * Great Central & North Staffordshire Joint Railway 11 mi
 * Great Northern and London and North Western Joint Railway 45 mi
 * Halifax and Ovenden Junction Railway 2+1/2 mi
 * Methley Railway (2⁄3 share) 6 mi
 * Midland and Great Northern Joint Railway 183+1/4 mi
 * Norfolk and Suffolk Joint Railway (3⁄4 share) 22+1/4 mi
 * Oldham, Ashton and Guide Bridge Railway 6+1/4 mi
 * Otley & Ilkley Railway 6+1/4 mi
 * Perth General Station (2⁄3 share)
 * Prince's Dock, Glasgow (1⁄3 share) 1+1/4 mi
 * South Yorkshire Joint Railway ($3/5$ share) 20+1/2 mi
 * Swinton and Knottingley Joint Railway 19+1/2 mi
 * Tottenham & Hampstead Junction Railway 4+3/4 mi

Joint with GWR

 * Great Western and Great Central Joint Railway 41 mi