The above chart shows the average AM and PM travel speeds in kilometres per hour across the seven major routes in Sydney and the annual percentage change in the volume of traffic on seven major routes in Sydney.
Despite a slight decline over the past year, peak hour travel speeds on the Seven Major Routes have remained similar since 1995-96 even though traffic volumes have grown by 26 per cent.
The seven major road corridors reported are: Princes Highway, M5 Motorway, M4/CityWest Link, Victoria Road, M2 Motorway - Harbour Tunnel, F3 Freeway - Harbour Bridge, and Pittwater Rd - Harbour Tunnel.