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M4 Junction 17 Improvement Works

Descriptions

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 • £22 million (including VAT)

Timeline

Pblished Date :

24th Jul 2025 in a 2 days

Published Date :

10th Oct 2025 Today

Deadline :

19th Dec 2025 in a 2 months

Contract Start :

5th Apr 2026

Contract End :

29th Sep 2028

Tender Regions

Keywords

road construction

highway building

expressway erection

arterial road installation

trunk road build

vehicular corridor construction

road pavement works

intercity road construction

roadway infrastructure build

transport highway construction

motorway construction

freeway build

highway expressway erection

high-capacity road build

motorway infrastructure construction

grade-separated road construction

dual carriageway build

controlled-access highway works

motorway pavement installation

express highway build

Tender Lot Details

2 Tender Lots

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Workflows

Status :

Open

Procedure :

N/A

Suitable for SME :

Yes

Nationwide :

No

Assign to :

Tender Progress :

0%

Details

Notice Type :

Tender

Tender Identifier :

IT-378-246-T: 2024 - 001

Tenderbase ID :

310724019

Low Value :

£100K

High Value :

£1000K

Buyer Information

Address :

Liverpool Merseyside , Merseyside , L13 0BQ

Website :

N/A

Procurement contact

Name :

Tina Smith

Phone :

0151 252 3243

Email :

tina.smith@shared-ed.ac.uk

Possible Competitors

1 Possible Competitors