Work on the new M4 tunnels from Homebush to Haberfield is almost complete with the project set to open in around four months, taking around 10,000 trucks off Parramatta Road every day.

Premier Gladys Berejikilian and Minister for Roads Andrew Constance toured the nearly-completed M4 tunnels today, part of a seven kilometre section of WestConnex.

Ms Berejikilian said the new M4 tunnels, themselves 5.5km long, would allow drivers from Western Sydney to bypass a significant section of stop-start traffic on Parramatta Road, and instead connect directly onto the City West Link.

“Within two years, around 67,000 trips are expected in the M4 tunnels every day, and this is still just the first stage of WestConnex,” Ms Berejiklian said.


“Today we’ve seen first-hand that the tunnelling and road pavement for the long promised project has been completed. We are on the home straight for the new M4 tunnels, with fit-out of the tunnels now underway.”

Mr Constance thanked the communities of the Inner West for their patience while the work was undertaken.

“We appreciate the delivery of city-shaping infrastructure takes time, and it isn’t easy on those who live nearby. I look forward to the new M4 tunnels opening soon and taking thousands of vehicles off local roads,” Mr Constance said.

Ms Berejiklian said WestConnex will link Sydney’s west and southwest with the city, airport and port precinct in more than 30 kilometres of continuous motorway. Upon completion, WestConnex will provide a bypass of up to 52 sets of traffic lights.

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“Once all of WestConnex is complete in 2023, drivers will be able to get from Penrith to the Anzac Bridge without having to stop at a single traffic light and travel times from Parramatta to Sydney Airport will fall by up to 40 minutes. Traffic volumes on sections of Parramatta Road will also be reduced by more than 50 per cent,” Ms Berejiklian said.