Water over the rail lines at Sandgate has caused the change while services on the Newcastle and Central Coast line remain unaffected.

Passengers using replacement buses on the Hunter Line should allow extra travel time.

Additionally, heavy rain and flooding is affecting a number of roads in the Newcastle area including:

Pacific Highway at Belmont

Indistrial Drive at Mayfield East

Hannell Street at Maryville

Main Road at University Drive

Various roads in Warners Bay

Motorists should drive to the conditions and allow additional travel time.

For more public transport information, visit www.131500.com.au or call 131 500.

For more traffic information, visit www.livetraffic.com or call 132 701.