A303: Roadworks at Countess Roundabout FINISHED

A303: Roadworks at Countess Roundabout FINISHED

Published by Henrietta Creasey at 5:58am 9th December 2019. (Updated at 6:07am 9th December 2019)

2 minute read

The current phase of investigation work, as part of the Stonehenge tunnel project has been completed.

Highways England has been carrying out work, part of Geotechnical surveys, around the Stonehenge area since June.

Since Sunday 3rd November that work has caused disruption at Countess Roundabout with lane closures in place. 

Drivers faced long delays during rush hour with the carriageway reduced to a single lane.

But there's good news today with the works finishing ahead of time.


This is all taking place to get ready for the proposed upgrade of the A303 between Amesbury and Berwick Down.

That £1.7 billion improvement scheme includes: 

  • 8 miles of free-flowing, high-quality dual carriageway
  • A tunnel at least 2 miles long underneath the World Heritage Site, closely following the existing A303 route, but a further 50 metres away from the Stonehenge monument, avoiding important archaeological sites, and avoiding intrusion on the view of the setting sun from the stones during the winter solstice 
  • A new bypass to the north of the village of Winterbourne Stoke 
  • Junctions with the A345 and A360 either side of the World Heritage Site
Highways England A303 Stonehenge Tunnel February 2018 3 (Highways England)
An artist's impression of the proposed upgrade to the A303 by Stonehenge



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