National Highways has awarded Bouygues Travaux Publics – Murphy Joint Venture the EUR1.56 bn (GPB1.34bn) Lower Thames Crossing Tunnels and Approaches contract, including the design and construction of twin road tunnels under the river Thames, which at 4.18 km (2.6 miles) will be the longest in the UK. At over 16 m wide they will be one of the widest in Europe to enable three lanes of traffic to flow through freely at the national speed limit. Visit https://nationalhighways.co.uk/. 50/23.