A-one+ was demobilised in March of 2022 with the introduction of National Highways new scheme delivery framework. A-one+ was a leading integrated highways service and solutions provider carrying out a range of: routine and planned maintenance, incident and weather response and various engineering projects on a number of motorways and major trunk roads on behalf of National Highways in Yorkshire, Kent and Sussex. The company was a shared three-way joint venture partnership between; Jacobs, Colas and Costain and benefits from facilitating experience, ideas and talent drawn from across the three parent companies.