What part of the Cahill Expressway is nicknamed "The Coathanger"?
Cahill Expressway The Cahill Expressway is an urban freeway in Sydney and was the first freeway constructed in Australia, opening to traffic in 1958. It starts from the Eastern Distributor and Cross City Tunnel in Woolloomooloo, and runs through a series of sunken cuttings and tunnels between the Royal Botanical Gardens and The Domain. It then runs on an elevated section across the northern edge of the Sydney CBD at Circular Quay, and then across the Sydney Harbour Bridge to North Sydney. It connects there to the Warringah Freeway.
Castlereagh Highway The Castlereagh Highway is a 790 km state highway located in New South Wales and Queensland, Australia. The highway's northern terminus is at a junction with the Carnarvon Highway, south of St George , Queensland. Its southern terminus is at a junction with the Great Western Highway at Marrangaroo , 10 km north of Lithgow . From north the south the highway traverses South West Queensland and the North West Slopes, Orana, and Central West regions of New South Wales.