London Northwestern Railway (LNR) is part of the West Midland Trains company.

West Midlands Trains (WMT) is a train operating company in the United Kingdom. It operates passenger trains on the West Midlands franchise between London and the English Midlands under two trade names: West Midlands Railway (WMR) (within the West Midlands region) and London Northwestern Railway (LNR) (outside the region).

It is owned by a consortium of three companies: Abellio, JR East and Mitsui & Co.

WMT’s services along the West Coast Main Line rail corridor are operated under the London Northwestern Railway brand. These services include:[21]

services out of London Euston;
branch line services off the West Coast main line.
Oyster card and contactless card payments can be used on London Northwestern Railway at Bushey, Harrow & Wealdstone, Wembley Central and Euston stations.

As of May 2021, the typical off-peak Monday – Saturday London Northwestern Railway service pattern, with frequencies in trains per hour (tph), includes: [22]

• West Coast Main Line
• Route tph Calling at　 Stock
• London Euston – Tring 2 Wembley Central (limited service)[a], Harrow & Wealdstone, Bushey, Watford Junction, Kings Langley, Apsley, Hemel Hempstead, Berkhamsted 319
  350
• London Euston – Milton Keynes Central 1 Watford Junction, Hemel Hempstead, Berkhamsted, Tring (London-bound only), Cheddington, Leighton Buzzard, Bletchley
• London Euston – Northampton 1 Watford Junction, Hemel Hempstead, Berkhamsted, Tring (Northampton-bound only), Leighton Buzzard, Bletchley, Milton Keynes Central, Wolverton
  Some services, mainly early morning and late evening services extend to/from Birmingham New Street calling at the stations served by the Northampton – Birmingham New Street train (see below)
• London Euston – Birmingham New Street 1 Leighton Buzzard, Bletchley, Milton Keynes Central, Wolverton, Northampton, Long Buckby, Rugby, Coventry, Canley, Tile Hill, Berkswell, Hampton-in-Arden, Birmingham International, Marston Green 350
• Northampton – Birmingham New Street 1 Long Buckby, Rugby, Coventry, Canley, Tile Hill, Berkswell, Hampton-in-Arden (Birmingham-bound all day. Northampton-bound trains call in the daytime only), Birmingham International, Marston Green (Birmingham-bound only)
  Some services, mainly early morning and late evening services extend to/from London Euston calling at the stations served by the Northampton – London Euston train (see above)
• London Euston – Crewe 1 Milton Keynes Central, Rugby, Nuneaton, Atherstone, Polesworth (limited service)[b], Tamworth, Lichfield Trent Valley, Rugeley Trent Valley, Stafford
• Birmingham New Street – Crewe 1 Wolverhampton, Penkridge, Stafford, Stone, Stoke-on-Trent, Kidsgrove, Alsager
• Birmingham New Street – Liverpool Lime Street 1 Smethwick Galton Bridge, Wolverhampton, Penkridge, Stafford, Crewe, Winsford, Hartford, Acton Bridge (irregular service)[c], Runcorn, Liverpool South Parkway
  Abbey Line
• Route tph Calling at Stock
• Watford Junction – St Albans Abbey 4⁄3 Watford North, Garston, Bricket Wood, How Wood, Park Street
  runs roughly every 45 minutes 350
• Marston Vale Line
• Route tph Calling at Stock
• Bletchley – Bedford 1 Fenny Stratford, Bow Brickhill, Woburn Sands, Aspley Guise, Ridgmont, Lidlington, Millbrook, Stewartby, Kempston Hardwick, Bedford St Johns

Train services run roughly every 2-hours during the day, supplemented with a rail-replacement bus service in the other hours. The bus service consists of two services: an all-stops service, and a service that skips Fenny Stratford, Aspley Guise, Millbrook and Kempston Hardwick 230