Network Rail has begun a £3.6 million scheme to restore the 23-span, listed Avon Viaduct near Linlithgow, with completion expected by May 2027.

Engineers are undertaking a package of works to protect the structure and the railway it carries across the River Avon between West Lothian and Falkirk.

The programme includes extensive masonry repairs, repainting of steelwork and targeted structural strengthening.

Existing metal parapet handrails will be replaced with glass reinforced polymer (GRP) parapets.

This investment is part of Network Rail's ongoing programme to maintain and conserve Scotland's historic railway infrastructure, ensuring key assets continue to support passenger and freight services for generations to come.

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As the viaduct is a listed structure, the plans have been developed to respect its heritage while addressing essential maintenance, with Network Rail working closely with local authorities and environmental specialists.

Ecological surveys have been carried out to identify and protect local wildlife, including nesting birds and bats, with mitigation measures to be implemented where required.

Allison Flanagan, project manager at Network Rail Scotland, said: "This is an important investment in one of Scotland's historic railway structures. The work will help ensure Avon Viaduct continues to play its role on the railway while preserving its character for future generations.

"As well as extending the life of the structure, the project will help protect an important part of the local landscape and railway heritage for years to come."