Source: https://tendernation.io/opportunities/01a13bda-e2f7-707b-82ad-3bd006b01b94/third-line-support-for-network-rail-high-speed [Skip to main content](#main-content) awardedGBdirect award procedure # Third Line Support for Network Rail (High Speed) [Network Rail (High Speed) Limited](https://tendernation.io/buyers/network-rail-high-speed-limited) Estimated value Not stated Published 18 Aug 2026 Deadline Rolling deadline ## Who can bid - Sets up a framework Winning a place does not guarantee work: contracts are awarded later as call-offs, and the list usually stays closed for years. ## About this tender Network Rail (High Speed) intends to award a contract for Third Line Support to Compagnie des Signaux. This is an ongoing contract which provides signalling and control systems on the HS1 route, including RCCS and associated proprietary platforms. Services include incident support, fault investigation and recovery, maintenance of development and support environments, diagnostics and repair of critical equipment, obsolescence monitoring, contract and service management, and system specific training. The services can only be delivered by the supplier as the sole owner of the system-level intellectual property. Source Find a Tender (UK) · Notice ocds-h6vhtk-067e86-2026-08-18T14:55:19+01:00 [View official notice ](https://www.find-tender.service.gov.uk/Notice/ocds-h6vhtk-067e86-2026-08-18T14:55:19+01:00) Never miss a tender like this again Get AI summaries, deadline alerts and a bid pipeline for tenders matched to your business. Free to start. [Track tenders free ](/register) [Buyer profileNetwork Rail (High Speed) Limited: past awards and live tenders](https://tendernation.io/buyers/network-rail-high-speed-limited) ## More tenders like this [Included Outside Publication Faith in Nature Natural England 17 days left 3 Nov 2026](https://tendernation.io/opportunities/01a14a29-a2ce-7073-851a-05dd5c86a64c/included-outside-publication-faith-in-nature)[Grounds maintenance Cottenham Parish Council 30 days left 16 Nov 2026](https://tendernation.io/opportunities/01a149bb-c1bb-71de-9d4c-6f106e58cd55/grounds-maintenance)[RRE-01284 - For the provision of a Digitally Enabled Children & Young People’s Mental Health Service (South Staffordshire) Midlands Partnership Foundation Trust 17 days left 3 Nov 2026](https://tendernation.io/opportunities/01a146ba-bdbb-723e-91d9-73c07d7467ba/rre-01284-for-the-provision-of-a-digitally-enabled-children-young-peoples-m)[Vacuum Pump Tritium Testing UK Atomic Energy Authority 30 days left 16 Nov 2026](https://tendernation.io/opportunities/01a1464c-dd0c-72ed-b7bd-bac1e52155ab/vacuum-pump-tritium-testing)[Cutenhoe Hill Primary School & Nursery \_ Luton Cutenhoe Hill Primary School & Nursery 48 days left 4 Dec 2026](https://tendernation.io/opportunities/01a1464c-ddaa-7241-8e2f-11a93eea790b/cutenhoe-hill-primary-school-nursery-luton)[Children & Young People's Homecare & Sitting Service (Short Breaks Specialist) Lot 1; and Children and Young People's Outreach Support Service (Short Breaks Specialist) Lot 2 The Borough Council of Calderdale 12 days left 29 Oct 2026](https://tendernation.io/opportunities/01a14872-4a25-72ad-a37f-1a3be4bb5b48/children-young-peoples-homecare-sitting-service-short-breaks-specialist-l)