One of the world's most scenic railway journeys is set for a major upgrade, with Network Rail set to invest nearly £15 million into a programme of essential engineering work on the West Highland Line.

The project aims to improve the route's long-term safety, reliability, and performance, particularly in areas exposed to challenging weather.

The work, which begins in October, will include targeted track renewals, with around 10km of rail and more than 9,100 sleepers being replaced. Engineers will also renew five culverts to improve drainage and ensure structural stability, and replace a railway bridge near Corrour and the Feith footbridge.

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To allow the upgrades to be delivered safely, the line will be closed for nine days between Crianlarich and Fort William. The closure will be in effect from the evening of Friday, 7 November until the morning of Monday, 17 November 2025. ScotRail has confirmed that rail replacement transport will be in place to keep passengers moving during the disruption.

Ross Moran, route director at Network Rail Scotland, said the investment is significant for the future of a route that is vital for the communities it serves. He added that while the work will cause disruption, it is essential for keeping services running smoothly in a remote and challenging environment.

Mark Ilderton, ScotRail service delivery director, echoed this, calling the West Highland Line a "vital connection for the communities it serves" and an "important gateway for Scotland's tourism industry."