Stonehenge road tunnel the scheme in 2018. A cost of £1.6 billion and a planned start date in 2021 were indicated. English Heritage, the National Trust and Historic England are quoted as supporting the concept of the tunnel with some concerns about the linking of byways, whilst the Stonehenge Alliance and Friends of the Earth remain opposed, as are the Campaign for Better Transport. Stonehenge road tunnel The Stonehenge road tunnel is a planned tunnel in Wiltshire, England drawn up by Highways England to upgrade the A303 road. It would move the A303 into a tunnel under the Stonehenge World Heritage Site, completing
Altar Stone (Stonehenge) Altar Stone (Stonehenge) The Altar Stone is a recumbent central megalith at Stonehenge in England, dating to Stonehenge phase 3i, around 2600 BC. It is made of a purplish-green micaceous sandstone and is thought to have originated from outcrops of the Senni Beds formation of the Old Red Sandstone in Wales, though this is currently in debate. Stone 80 (Altar Stone) was most recently excavated in the 1950s, but no written records of the excavation survive, and there are no samples available for examination that are established as having come from the monolith. Stone 55 (a sarsen megalith) lies on