Motorists using the M6 in northern England are set for several years of significant disruption, with speed limits dramatically reduced to just 30mph on key sections. The extensive works are part of a major project by National Highways to replace seven ageing bridges in the Lune Gorge, Cumbria.
Major Bridge Replacement Triggers Long-Term Closures
The core reason for the upheaval is the condition of the motorway's infrastructure. Seven bridges that carry the M6 over the Lune Gorge have reached the end of their operational lifespan and require complete replacement. This essential work involves demolishing and rebuilding the critical S-joint structures, a process that cannot be completed quickly.
As a direct result, National Highways plans to close junctions in the vicinity of Tebay for an extended period. The most impactful measure will be the full closure of Junction 38 for a total of three years. The southbound junction will shut first for 18 months, followed immediately by an 18-month closure of the northbound junction.
Years of 30mph Limits and Contraflow Systems
Throughout the various phases of this multi-year project, drivers will encounter severely restricted speeds. The national speed limit will be cut to 30mph on sections where contraflow systems are in operation. These temporary traffic arrangements are necessary for safety but will cause considerable delays for anyone travelling through the area.
A government minister has acknowledged that disruption is unavoidable given the scale of the engineering challenge. While National Highways states it has no intention of unnecessarily inconveniencing road users, it accepts that major road closures of this nature will inevitably cause widespread disruption.
Local Backlash and Concerns Over Impact
The plans have sparked strong opposition from local representatives and business owners. Tim Farron, the Liberal Democrat MP for the area, has warned the project will "devastate local businesses" that depend on passing trade from the motorway junctions. He has criticised National Highways for not producing a full assessment of the impact on the road network and the wider community.
Critics of the scheme argue that the three-year junction closure is excessive. They suggest alternatives, such as temporary slip roads, should be used to maintain access. There are also fears that diverting heavy traffic, particularly lorries, onto fragile rural roads will cause damage and safety issues for other communities.
The project underscores the tension between essential national infrastructure maintenance and the severe localised impact such works can create. With work scheduled to last for years, drivers and Cumbrian residents are braced for a long period of inconvenience.
