"Gawler Bypass Road is a major north-south route in the outer northern suburbs of the city of Adelaide, South Australia. It has the national designation of National Highway A20 north of the Northern Expressway, while south of this intersection it has the state designation of A52.It is a freeway standard route connecting Main North Road to the Sturt Highway, bypassing Gawler. Major exits include Two Wells Road, Mallala Road and the Barrier Highway known as Main North Road."@en . "National Highway A20 (Willaston \u2013 Hewett)" . . . "*" . . "1980s" . . "7000.0"^^ . "Gawler Bypass Road"@en . "A52 (Evanston \u2013 Willaston)" . . .