Torrens Island Sanctuary which overlays the entire island. Torrens Island Torrens Island is an island in the Australian state of South Australia located in the Port River Estuary between the Port River and Barker Inlet, about northwest of the state capital of Adelaide. Since European settlement of Adelaide in 1836, it has been used for a number of purposes. Being uninhabited, an island, adjacent to Port Adelaide, and near Outer Harbor, Torrens Island was initially used as the site of a Quarantine Station for new arrivals (by sea) to South Australia. One example of its use was during the so-called "Boonah crisis".
Torrens Transit if performance criteria is met. However the North-South and Outer North East area contracts passed to Light-City Buses in October 2011. In April 2013 Light-City Buses was stripped of eight routes for continued poor performance with these being returned to Torrens Transit. On 10 November 2014, Torrens Transit commenced operating a new service between the CBD and Adelaide Airport with a double deck Bustech CDi. In June 2018, the Light-City Buses business was integrated with Torrens Transit following Transit Systems purchasing it from Broadspectrum, doubling the fleet to 700 buses. This marked the return of Light-City routes to Torrens Transit