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Mon April 12 2021

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Costain Vinci wins £750m ECI contract for Newport M4 improvements

23 Mar 15 The Welsh government has signed up a joint venture of Costain and Vinci on an early contractor involvement (ECI) basis for a £750m highways project.

The scheme envisages improving the M4 Corridor around Newport. It includes construction of 24km of new motorway and a 2.5 km long cable-stayed viaduct crossing of the River Usk, as well as major remodelling of M4 junctions 23 and 29.

Costain has a 50% stake in a three way joint venture with Vinci Construction Grands Projets and Vinci subsidiary Taylor Woodrow.

Scheme development work starts immediately, leading up to an anticipated public local inquiry in winter 2016/7.  Upon successful completion of the statutory processes, the second stage of the ECI work, construction, could start in spring 2018.

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