The new M5 East motorway has been named the M8 and could open within six weeks.
Motorists will pay a toll of $6.95 to use the nine kilometre long twin tunnels between Kingsgrove and St Peters.
Once they are open, the same payment will be imposed on motorists using the existing M5 East motorway, which at present does not have a toll.
The State Opposition believes the new M5 East toll will come as big shock to many motorists even though it was announced when the duplication was announced.
A virtual tour of the M8 through detailed driver animations can be viewed on the WestConnex website.
Travelling towards the city, the M8 enters the tunnel from the middle lanes while the M5 lanes bypass them on either side.
The M5 bypass lanes merge 1.3km east of Bexley Road.
WestConnex chief executive Andrew Head advised motorists to look at the animation of the entry and exit points.
"It's time to get ready," he told 9 News, which reported the new motorway could be in operation in six weeks.
"We are reaching the final stages of the construction of this project."
The link between the M5 and M4 is due to be completed in 2023.
