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
Archaeoastronomy and Stonehenge Archaeoastronomy and Stonehenge The prehistoric monument of Stonehenge has long been studied for its possible connections with ancient astronomy. The site is aligned in the direction of the sunrise of the summer solstice and the sunset of the winter solstice. Archaeoastronomers have made a range of further claims about the site's connection to astronomy, its meaning, and its use. Stonehenge has an opening in the henge earthwork facing northeast, and suggestions that particular significance was placed by its builders on the solstice and equinox points have followed. For example, the summer solstice sun rose close to the Heel Stone, and