RailTech.com Tunnel blaze shuts Transpennine Route for days

A serious fire inside the Standedge Tunnel complex has forced the closure of one of the UK’s busiest east–west rail corridors. The incident is causing severe disruption to passenger services across northern England. The Transpennine Route is not expected to reopen before this Thursday, 29 January.

The incident occurred late on Sunday, 25 January, inside the active railway bore of Standedge North Tunnel, beneath the Pennines near Marsden. A Road Rail Vehicle (RRV) caught fire approximately 1.5 kilometres inside the tunnel, prompting a major emergency response and the immediate suspension of train services through the route. Subsequent damage inspections require the extended closure of the tunnel.

Fire crews faced difficult conditions underground

West Yorkshire Fire and Rescue Service, which led the response, said crews were mobilised to a fire involving heavy railway machinery deep inside the tunnel—somewhere in its 5.4km length. Firefighters accessed the incident via the designated emergency access tunnel and were required to proceed on foot with equipment in what were described as extremely challenging conditions.

It took around two hours to get water onto the fire, said WYFRS. Responders cited several factors that slowed progress, including uncertainty over the fire’s precise location, restricted access routes, limited initial water supplies, and large volumes of smoke, which significantly reduced visibility. The operation required close coordination with the national infrastructure agency Network Rail and support from neighbouring fire services, with multiple crews working underground to bring the incident under control.

Structural damage delays reopening

Although the fire was successfully extinguished, Network Rail later confirmed that damage had been discovered to the tunnel structure. Engineers must now complete inspections and repairs before the route can be declared safe for trains to run again. The official National Rail Enquiries service (the customer-facing service) says “major disruption” is expected to continue until at least 06:00 on Thursday.

The Standedge route links Yorkshire and Greater Manchester and carries some of the region’s busiest passenger services. The most significant disruption has been between Huddersfield and Stalybridge (the eastern edge of Manchester, affecting trains into both Victoria and Piccadilly stations. Local passenger services on the route are provided by TransPennine Express, which runs long-distance services connecting cities including Liverpool, Manchester, Leeds, York, Newcastle, Hull and Edinburgh. The company has instigated a combination of diversions via the (northern) Calder Valley route, substitute bus services and cancellations.

A complex tunnel with a long history

Standedge is one of the most complex tunnel sites on the UK rail network. The complex consists of several parallel bores, each around three miles (5.4 kilometres) long, constructed over a period of five decades. These days, only the 1894 double-track railway tunnel remains in use, but two older rail tunnels are retained for emergency access and played a role in enabling firefighters to reach the scene. A separate tunnel carries a canal alongside the railway.

All rail routes crossing the Pennines involve extensive tunnelling, and the region has experienced major tunnel incidents in the past. The most notable was the Summit Tunnel fire in December 1984 on the Calder Valley line, when a derailed petrol train burned for several days and forced the line to close for months. While the Standedge fire is far smaller in scale, it has revived memories of that conflagration.

Minor setback for Transpennine Route Upgrade

The incident comes during the delivery of the Transpennine Route Upgrade (TRU), a major programme intended to improve reliability, capacity and journey times between Manchester, Leeds and York through electrification, digital signalling and infrastructure upgrades.

While the fire represents an unwelcome interruption, it is understood to be a relatively minor setback in the context of the wider programme. It is not yet clear whether the road-rail vehicle involved was working on routine maintenance or directly connected to the TRU project.