Stonehenge road tunnel 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 the removal of traffic begun with the closure of the A344 road. The wider project was designed to improve the landscape around the monument and to improve safety on the A303, and was part of proposals to change the site in other ways including moving the visitors centre. The A303 primary route is one of the main routes from London to
Stonehenge geologists from University of Leicester and the National Museum of Wales announced the discovery of the exact source of some of the rhyolite fragments found in the Stonehenge debitage. These fragments do not seem to match any of the standing stones or bluestone stumps. The researchers have identified the source as a long rock outcrop called Craig Rhos-y-Felin (), near Pont Saeson in north Pembrokeshire, located from Stonehenge. On 10 September 2014 the University of Birmingham announced findings including evidence of adjacent stone and wooden structures and burial mounds, overlooked previously, that may date as far back as 4000 BC.