A £40 million motorway junction, dubbed Britain's most expensive dead end, requires repairs six years after its construction despite never being opened to traffic. The "ghost junction" off Bristol's M49 was designed to provide access to a distribution center for retailers including Amazon, Tesco, Lidl, Next, DHL, and The Range.
Construction began with the hope of completion by 2019, but a series of setbacks have left the roundabout junction incomplete. Motorists who have ventured onto the structure have been met with a dead end. Despite its unused status, defects have emerged, necessitating repairs.
Roads minister Justin Madders stated in the House of Commons that cracks and loss of topsoil were visible on the highway, built by National Highways, as early as 2021, less than two years after construction was completed. These were initially considered minor and monitored. However, ongoing inspections commissioned in 2025 revealed geotechnical issues.
"These later investigations will allow the root cause of defects to be better understood – and this is ongoing and can only be confirmed once engagement with the contractor has concluded," Madders explained. The junction, situated between the M5 at Avonmouth and the M4 Prince of Wales Bridge, has experienced prolonged delays. South Gloucestershire Council had previously removed nine planning conditions that had prevented the finalization of the road's completion.
Liberal Democrat MP Claire Young for Thornbury and Yate has criticized the situation, referring to it as a "ghost junction." She highlighted that National Highways has acknowledged defects requiring repair before the junction can be safely opened. Young expressed concern that while the junction remains inaccessible, other local roads like the A403 and B4461 are experiencing misuse by HGVs, impacting local residents, horse riders, and agricultural vehicles.
The government has provided approximately £10 million to support the development of a link road to the junction. Madders indicated that while government funding has limits, technical issues will be prioritized. He stressed the need for National Highways to identify engineering solutions, establish a delivery route that protects taxpayer interests, and provide realistic timelines.
However, Madders cautioned that a definitive timeline for the remedial works cannot yet be provided. Issues of responsibility, liability, and funding are subject to ongoing discussions with the contractor. Once these are resolved, National Highways can develop detailed designs and a delivery program. "It would not be possible or appropriate to announce arbitrary dates before those assessments are complete or before a deliverable programme has been confirmed," he added.
The minister emphasized the need for coherent infrastructure management with clear accountabilities, dependencies, and communication, stating, "The public do not distinguish between a motorway junction, a local link road, a developer obligation, a council-led connection and a National Highways asset – they see one road, one promise, and one delayed outcome."