Road engineering Subject Cox, William Hickson, Robert Roberts, William Cooks River Dam c1871 Covering the expressway cutting, 17 March 1961 Criterion Theatre being demolished, corner Park and Pitt Streets, Sydney 1936 Cross City Tunnel construction project May 2005 Looking west along Parramatta Road from about the City Boundary at Orphan School Creek showing subsided wood paved surface 1931 William Cox 1830 William Cox c1797-1798