A-one Integrated Highway Services is a 50/50 joint venture partnership formed by Halcrow Group Limited and Colas Limited appointed by the Highways Agency as Managing Agent Contractor (MAC) for the Area 14 network.
A-one+ Integrated Highway Services is a joint venture partnership formed by Halcrow Group Limited, Colas Limited and Costain Group Plc, appointed by the Highways Agency as Managing Agent Contractor (MAC) for the Area 10 network.
