| By July 1815 work was underway on a road from Parramatta to the Nepean River (at Penrith) across the Cumberland Plain that included the section that is the Former Great Western Road, Prospect. The Great Western Road through Prospect continued its 1818 alignment for 150 years until 1968 when it was deviated to the north and straightened as the Prospect Deviation. The work was done to avoid the allegedly dangerous hills and bends on the Former Great Western, Prospect as it travelled over the flanks of Prospect Hill. |  |
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