The original route as of the 1922 classification routed the A30 between Basingstoke and Salisbury via Andover, along what is now the B3400 and an extended A343. This route was altered in 1933.
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Stonehenge & A303. The Stonehenge World Heritage Site is famous throughout the world and is one of the most important prehistoric landscapes in Europe. Today this landscape is split in two by a major road - the A303 - which acts as a barrier to people enjoying, exploring and understanding the World Heritage Site.