Source: https://tendernation.io/opportunities/01a13bce-478c-7042-a13e-235f9c4e7eb3/he0915-m4-junction-17-improvement-works awarded GB open procedure Suitable for SMEs # HE0915 M4 Junction 17 Improvement Works [Wiltshire Council](https://tendernation.io/buyers/wiltshire-council) Estimated value £21,600,000 Published 26 Mar 2026 Deadline Closed 9 Jan 2026 ## Who can bid - Buyer says suitable for SMEs The buyer ticked “suitable for SMEs” on the notice. Anyone can still bid. - Open procedure Anyone can submit a full tender; there is no shortlisting stage. [More contracts for small businesses and VCSEs](https://tendernation.io/opportunities/for-small-businesses) ## About this tender Wiltshire Council are procuring a contract for the delivery of the M4 Junction 17 improvement works, with a view to awarding the contract in early spring 2026. Scope of Works The proposed scheme includes: • Installation of traffic signals on all roundabout approaches • Carriageway widening throughout the junction • Increasing the number of traffic lanes across the motorway bridges from two to three • Widening of the circulatory carriageway The successful contractor must be capable of working on the National Highways network and experienced in delivering complex highway infrastructure improvements. Delivery Phases (estimated) The contract will be delivered in two phases: • Phase 1 – Early Contractor Involvement (ECI): Spring 2026 – Autumn 2026 • Phase 2 – Construction: 2027 (subject to approval of the Full Business Case by the Department for Transport) Estimated Value • £27 million (including VAT) ## CPV classification Construction work for highways, roads Motorway construction works Source Find a Tender (UK) · Notice ocds-h6vhtk-056511-2026-03-26T15:30:26Z [View official notice](https://www.find-tender.service.gov.uk/Notice/ocds-h6vhtk-056511-2026-03-26T15:30:26Z) 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](https://tendernation.io/register) [Buyer profile Wiltshire Council: past awards and live tenders](https://tendernation.io/buyers/wiltshire-council) [Sector More Construction work tenders](https://tendernation.io/sectors/construction-work) ## More tenders like this [Bannister Sports Centre Athletic Track Soft Market Testing Exercise · Harrow Council · 38 days left · 26 Nov 2026](https://tendernation.io/opportunities/01a1540d-d9e4-71cb-ad57-1603e9042fec/bannister-sports-centre-athletic-track-soft-market-testing-exercise) [Norwich City Verges Mowing 2026 · Norse Eastern Ltd · 30 days left · 18 Nov 2026](https://tendernation.io/opportunities/01a15476-5fd9-70eb-b920-a66dc3e661e1/norwich-city-verges-mowing-2026) [Gwasanaethau Toeau - Gwaith cyfalaf wedi'i gynllunio ac atgyweiriadau ymatebol / Roofing Services - Planned capital works and responsive repairs · Denbighshire County Council · 28 days left · 16 Nov 2026](https://tendernation.io/opportunities/01a15476-6094-72b9-928b-5c887e7ceea4/gwasanaethau-toeau-gwaith-cyfalaf-wedii-gynllunio-ac-atgyweiriadau-ymatebol) [Repair of St Michaels and All Angels Church Wall · Aylsham Town Council · 31 days left · 19 Nov 2026](https://tendernation.io/opportunities/01a15476-6316-7235-8948-8f108b3da399/repair-of-st-michaels-and-all-angels-church-wall) [Building Minor Works · Derbyshire Support and Facilities Services Limited · 26 days left · 13 Nov 2026](https://tendernation.io/opportunities/01a15408-9087-7003-bd47-df7bc19d7ff7/building-minor-works) [DGT Helipad Design and Construction · Dartford and Gravesham NHS Trust · 28 days left · 16 Nov 2026](https://tendernation.io/opportunities/01a15408-969e-7140-a307-fe72fa7128be/dgt-helipad-design-and-construction)