• Major highways capacity improvement scheme
• Strategically important M4 / A350 interchange
• Live National Highways network environment
• Two-stage ECI and construction approach
• Junction signalisation and carriageway widening
• Motorway bridge capacity improvements
• Complex traffic management and utilities interfaces
• Social Value, carbon reduction and sustainability
• Multi-disciplinary technical tender

Wiltshire Council's M4 Junction 17 Improvement scheme is a major highways project designed to increase capacity and improve the operation of the strategically important junction between the M4 and A350. The proposed works include signalisation of all roundabout approaches, carriageway widening, increasing traffic lanes across the motorway bridges and widening the circulatory carriageway.

WeBid supported our client with the development of its tender submission, providing extensive bid writing support across the technical and quality responses. Working with the proposed project team and subject matter experts, we helped translate detailed engineering and delivery solutions into clear, structured and evaluator-focused responses.

The tender covered the full breadth of delivering a complex live highways scheme, including Early Contractor Involvement (ECI), delivery methodology, project team and interface management, construction programming, traffic management, utilities, risk, Social Value, carbon reduction and sustainability.