Draft plans for a £193m road development around Stonehenge have been published - but there are still divisions over the details.
Before (top) and after, as envisaged in the plan
It is hoped that the re-routing of the A303 road, and a £57m visitor centre, will rescue the World Heritage site from its label as "a national disgrace."
The scheme proposes making the single-carriageway road dual at its busiest
section and re-routing it out of sight of the stones by boring a tunnel.
But the National Trust, while supporting the overall scheme, has reiterated its call for the 2.1 km tunnel proposed by the government, to be lengthened.
"I urge people to visit the exhibition so they can understand and support this essential scheme
Trust territory director Martyn Heighton said: "We are not convinced that the plan for a 2.1km tunnel will adequately safeguard the integrity of the site.
"There are strong archaeological and curatorial reasons for building as long a tunnel as possible, to preserve and enhance the qualities of the site."
Landowners the National Trust, monument keepers English Heritage and the
Highways Agency are working together on the scheme.
The publishing of the report sets off a 12-week public consultation period.
View and comment
It is thought the scheme will go to a public inquiry in the autumn to settle differences with work starting by 2005 if approved.
Project manager Chris Jones said: "The scheme would relieve blighted communities such as Winterbourne Stoke, protect and
preserve this country's heritage and provide Stonehenge with the setting and facilities it deserves.
"I urge people to visit the exhibition so they can understand and support this essential scheme."
People can view and comment on the plans at the Antrobus Arms Hotel,
Amesbury, from Thursday 12 June to Saturday 14 June from 1000 to 2000 BST weekdays and until 1700 on Saturday.