There are major delays due to customers attempting to attend the premises of new wholesale retailer Costco.
Police are urging motorists to avoid the area and delay travel if possible.
Motorists are also asked to remain patient if they are caught in traffic congestion.
Streets affected include Silverwater Road, Parramatta Road, John Street, St Hilliers Road, Homebush Drive and the M4 Westbound.
OMG!! so How Can I get there ?
Here is a little tip.