Area 4 covers Kent, Sussex, Surrey and Hampshire and has an estimated contract value of£140m to £165m.
Area 12 includes Yorkshire, North Lincolnshire, Derbyshire and part of Greater Manchester and has an estimated contract value of £85m to £95m.
Both contracts run for five years from March 2014.
Work involves integrated network management, maintaining and improving the trunk road and motorway network in each area.
For more details, see our Contract Leads section.
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