AOne.uk.com
About AOne.uk.com
Our A-one+ joint venture (Halcrow/Colas/Costain) combines the culture and expertise from our parent companies with specialist skills in structures and road design, term maintenance contracts and project management skills within the highways sector. A-one+ have been appointed by the Highways Agency as the Managing Agent Contractor (MAC) for Areas 10, 7 and 12.
