The Illawarra Highway remains blocked this morning between the Princes Highway and Tongarra Road in Albion Park due to heavy rain and localised flooding overnight.
Motorists are advised to use Tongarra Road as an alternative route.
Also, flooding at Port Kembla has led to the he partial closure of the South Coast Line between Wollongong and Port Kembla.
Buses are replacing trains between Wollongong and Port Kembla.
Passengers travelling on the South Coast Line are advised to check indicator boards, listen to station announcements and allow additional travel time.