A6 Randalstown - Castledawson Dualling Scheme

Delivered by the Department for Infrastructure the A6 Dualling Scheme will upgrade 14.7 kilometres of  Transport Corridor between Randalstown and Castledawson, a route used by 18,000 vehicles each day, which often experiences congestion at key times.

Graham Farrans Joint Venture have been awarded the contract of this essential work, which once completed, will bring long term social and economic benefits to the local area.

The flagship investment of £160m will strengthen the links between Belfast and Derry/ Londonderry and will bring the long term benefits to road users and the local community of reduced journey times and improved road safety.

Work is being carried out on an area based construction programme and is expected to be completed by 2021.

Alerts & Updates

  • A6 Mainline Full Closure - Saturday 24 March 3pm - 3.30pm
    To facilitate blasting works. Diversion via Junction 2 to Randalstown & Rouguery Rd
  • A6 Mainline Closed between M22 - Toome 10pmThursday 22 March - 6am Friday 23 March
    To facilitate maintenance and repair works
  • A6 Mainline Closure Hillhead Rd - Castledawson Roundabout 10pm Friday 23 March - 6am Monday 26 March
    Dig and Replace works at the Brough Road

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Please use the form below to report any issues or contact the 24 hour phone line on 02890394090

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The Team

Principal Contractor
Design Consultants
Client Representative