Several lanes on the Sydney Harbour Bridge have been closed this morning, after police received reports at 4:30am that a man had because climbing the bridge with out authorisation.
Emergency services are currently waiting on ground as police speak with the man, while two out of four northbound lanes have been closed.
As for southbound traffic, lanes are open, however, speed has been reduced to just 40km/h.
Commuters are being told to expect bus delays up to 30 minutes and are urged to instead use the Sydney Harbour Tunnel, or Victoria Road and Gladesville Bridge.
Delays of up to 8 minutes can be expected on the T1 North Shore, Northern & Western Line.