A-one+ is a leading integrated highways service and solutions provider carrying out a range of: routine and planned maintenan ... ce, incident and weather response and various engineering projects on a number of motorways and major trunk roads on behalf of Highways England in Yorkshire, Kent and Sussex. The company is 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. A-one+ is proud to drive and promote safety initiatives and maintenance innovations and encourages a collaborative approach to engage with road users customer and communities while carrying out work on the strategic highways network. read more