Lagan Operations & Maintenance were appointed to deliver all in-situ concrete slipformiing works on this Highways England scheme. The project involved a high level of planning due to the volume of traffic and logistics of concrete supply. Various mould changes were required within short sections to facilitate the programme. 7,800lm, of Surface water channel, 430lm of slot drain, 2,700lm of concrete barrier and 245No drainage outfalls were installed throughout the works.