Periodic indicative notice without call for competition, deadline 14/04/2020, to trial innovative ways to reduce disruption to passengers caused by tunnel renewal and refurbishment works. Network Rail manages 693 Tunnels that are typically 150 years old. Contact Network Rail Infrastructure Ltd, London, tel +44 7809376901, email Briony.Toogood@networkrail.co.uk. For further tender information click here and for more information about this opportunity please click here. 14/20.