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Construction History
In May 1995 Federal Government funding for the construction of
the project was announced.
In 1996 a small pilot tunnel was constructed under Eagle on the
Hill to complete information for design and construction planning.
This pilot tunnel was then excavated as part of the Adelaide-bound
tunnel. Work started in December 1996 to construct 2.5km of temporary
diversion roads at Crafers which were opened in February 1998.
In December 1997 construction of a 1.7km diversion road running
from Mira Monte Estate to Mt Osmond Road was completed. This three-lane
road incorporated sections of the final Highway and ran around the
hillside at the new road level. The old road was then filled to
a depth of up to 12 metres to allow completion of the new six-lane
Highway. The extra width and higher level provides the Highway with
a wide and smooth elevation alignment to and from the tunnels.
In August 1998 workers cut through the Adelaide-bound tunnel and
in September cut through the Crafers-bound tunnel.
The new highway opened to traffic on 5th March 2000.
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Sun 23rd Nov 08
