A1 (M) motorway operation and maintenance contractA1 (M) Darrington to DishforthHomeCase studiesHighways agency via Road Management Services LimitedClientHighways agency via Road Management Services (Darrington) LimitedContractorTarmac ContractingLocation typeMotorwayCompletion2019, further extended to 2023 The challengeThe A1(M) Darrington to Dishforth DBFO contract is a long-term operation and maintenance contract delivered by Tarmac on behalf of Road Management Services (RMS). The North Yorkshire-based project covers a 33-mile stretch of A1 (M) motorway between Darrington to Dishforth, which is part of a critical strategic link in the national network between Scotland, the North East and …