Longsight Depot

Longsight Depot
Name	Longsight Depot
Location	Manchester
Gridref	SJ855969
Owner	Deutsche Bahn
Operator	Northern Trains
Depotcode	LG
Type	DMU/EMU
Opened	1842

Longsight Depot is a principal railway maintenance and stabling complex in Manchester serving regional and intercity services on routes radiating from Manchester Piccadilly and Manchester Oxford Road. It has operated through periods of railway consolidation involving London and North Western Railway, London, Midland and Scottish Railway, British Rail, and Network Rail while supporting fleets for operators such as Northern Trains, TransPennine Express, Avanti West Coast, and Arriva Rail North. The site interfaces with major routes toward Crewe, Liverpool Lime Street, Leeds, and Birmingham New Street.

History

The depot traces origins to the 19th century expansion of the Manchester and Birmingham Railway and saw early use by London and North Western Railway locomotives during the Victorian railway mania alongside traffic to Stockport and Crewe. During the grouping of 1923 it became part of London, Midland and Scottish Railway and later nationalised under British Railways in 1948, adapting through the Modernisation Plan 1955 with dieselisation works for British Rail Class 47 and British Rail Class 37 fleets. Privatization in the 1990s involved stewardship transitions to companies linked with Serco and Stagecoach Group before operations integrated under infrastructure bodies such as Railtrack and Network Rail. The 21st century brought allocations for diesel multiple units from Alstom and electrical units from Bombardier Transportation, reflecting franchise changes tied to Northern Rail and later Northern Trains and TransPennine Express franchise settlements.

Location and Layout

Situated south of Manchester Piccadilly on the line toward Stockport and Crewe, the depot occupies a strategic position on the West Coast Main Line approaches and interchange with the Midland Main Line corridor at Manchester Central. The site sits adjacent to Oxford Road station connections and freight routes serving Manchester International Depot and the Manchester Ship Canal freight terminals. Track layout comprises multiple reception roads, through roads, and dead-end sidings aligned with signaling controlled from the local box historically associated with Stockport Signal Box and now integrated with Manchester Rail Operating Centre.

Operations and Depot Functions

Longsight provides everyday stabling, routine maintenance, light repairs, and cleaning for diesel multiple units and electric multiple units used on inter-regional services to Leeds, Newcastle, Blackpool North, and Scarborough. The depot supports pre-service checks mandated under Rail Safety and Standards Board procedures and coordinates with route delivery teams from Network Rail for asset availability. It also functions as a crew relief point for drivers and conductors employed by Northern Trains and Avanti West Coast and hosts component exchange activity involving suppliers such as Siemens Mobility and WheelTrak.

Rolling Stock Allocations

Allocations have varied: historically steam locomotives including LNWR 4-4-0 types, later diesel classes like British Rail Class 31, Class 37, Class 47, and more recently modern units such as British Rail Class 150, Class 153, Class 158, Class 195, Class 350, and Class 390 Pendolinos for high-speed services. Fleet changes followed procurement by franchises including FirstGroup and Stagecoach and manufacturer deliveries from CAF and Stadler Rail. The depot also performs temporary stabling for transferred units during fleet cascades involving East Midlands Railway and ScotRail.

Facilities and Infrastructure

Facilities include inspection pits, fuelling stations, wheel lathes, carriage washers, and an overhead line equipment-compatible servicing road for electric units supplied in coordination with Network Rail renewals. Maintenance workshops handle bogie exchange, brake testing per Office of Rail and Road standards, and software updates for train control systems interoperable with European Train Control System trials. Ancillary infrastructure includes staff accommodation, training rooms linked to Rail Safety and Standards Board programmes, and parts stores operated by vendors tied to Bombardier Transportation and Alstom UK supply chains.

Accidents and Incidents

The depot area and adjacent running lines have featured in several operational incidents recorded in railway inquiries, including shunting collisions and wheelset failures attributed to component fatigue examined under Rail Accident Investigation Branch procedures. Notable network incidents on nearby routes that impacted depot traffic include disruptions from cable thefts investigated by British Transport Police and signal failures prompting intervention by Network Rail engineers during severe weather events tied to storms tracked by the Met Office.

Future Developments

Planned enhancements align with regional investment programmes from Transport for Greater Manchester and national strategies under Department for Transport rolling stock modernisation, including electrification projects connecting to the Northern Powerhouse Rail proposals and depot upgrades to accommodate new fleets ordered from Stadler Rail and CAF. Upgrades may incorporate expanded maintenance sheds, enhanced depot access to the Manchester Rail Operating Centre, and low-emission fuelling infrastructure consistent with decarbonisation commitments in the Rail Sector Deal.

Category:Railway depots in Greater Manchester