Zinoco® coated rail has been installed by Network Rail as part of a £1-million schedule of track upgrades in the South Calton Tunnel.
https://britishsteel.co.uk/news/british-steel-coated-rail-installed-by-network-rail-in-south-calton-tunnel/
https://britishsteel.co.uk/news/british-steel-coated-rail-installed-by-network-rail-in-south-calton-tunnel/
British Steel coated rail installed by Network Rail in South Calton Tunnel
britishsteel.co.uk