Kier has secured three-year extensions on its Highways England Areas 3 and 9 contracts, with a total value of £750m or £250m a year.
The contracts provide routine highway maintenance services, repairs to defects, emergency incident response services and severe weather services on the strategic road network.
The extensions help Highways England deliver a phased roll-out of its full asset delivery model, which it is committed to implementing across its entire network.
Kier Group's chief executive, Haydn Mursell, said the company would continue to 'collaborate with Highways England and the supply chain to provide a high-quality service to the public'.
Area 3: This contract covers major roads in Hampshire, Berkshire, parts of Surrey, Buckinghamshire, Oxfordshire and Dorset. Kier has held the contract since 2008 and it has been extended to October 2021.
Area 9: This contract covers major roads in Herefordshire, Worcestershire, Warwckshire, Staffordshire and Shropshire as well as parts of Gloucestershire, Derbyshire and Leicestershire. Kier has held the contract since 2014 and it has been extended to June 2022. Area 9 is the largest Area within Highways England's network.