City-bound motorists endured major traffic delays as the Labour Day long weekend came to a close.
Authorities reported lengthy traffic queues on most of the major roads converging on Sydney this afternoon.
They urged tens of thousands of motorists to add up to 45 minutes in journey time.
The worst traffic was on the north coast near Warnervale where a 17 kilometre queue of southbound cars stretched along the Pacific Motorway.
This has now eased.
A southbound lane of the Pacific Highway near Mount Colah was closed after an accident, exacerbating the traffic snarl.
Queues reached 6 kilometres.
The lane is now open and traffic flow has returned to normal, the Transport Management Centre said.
The heavy traffic between Alison and Wyee in the Lake Macquarie region, and between Hexham and Berefield on both the Pacific Highway and the New England Highway, have cleared.
Further north near Ewingsdale, a 12 kilometre queue clogged up the Pacific Highway.
The traffic flow has returned to normal.
In the south, a 5 kilometre queue on Princes Highway hit Albion Park, though it was lighter towards Nowra.
A seven-vehicle accident on the Princess Highway in Heathcote had resulted in the closure of one of the three northbound lanes, compounding traffic problems.
All lanes are now open.
And inbound traffic from the Blue Mountains is no longer in gridlock on the Great Western Highway in Blackheath.
Police are urging drivers to be extra careful after four people died on NSW roads today, raising the long weekend road toll to nine.
The original release of this article first appeared on the website of Hangzhou Night Net.