WestConnex Stage One involves improvements and extensions of the existing M4 in two parts:
- Stage 1A - M4 Widening: widening the M4 from six to eight lanes between Parramatta and Homebush, and
- Stage 1B - New M4 Tunnels: extending the M4 (M4 East) from Homebush to Haberfield via Concord with 5.5 kilometres of new three-lane tunnel, inclduing provision for the connection to the M4-M5 Link (WestConnex Stage Three).
Key Dates
| Jun 2015 | Contract Award |
| Jul 2016 | Construction Commencement |
| Jul 2019 | Construction Completion |
Funding contributions
| User charges |
Procurement
| Successful Tenderer: | New M4 Tunnels: CPB Contractors, Samsung and John Holland Joint Venture |
PROJECT HISTORY
| Mar 2015 | Early works commenced. |
| Jun 2015 | The design and construct contract to deliver the New M4 Tunnels was awarded to a Leighton Contractors, Samsung C&T and John Holland consortium. |
| Jun 2016 | Major construction works commenced. |
| Jul 2019 | The project reached construction completion and commenced operations. |
Estimated Total Cost
(2015)
Sector
Road
Procurement approach
Traditional Procurement |
Location
New South Wales |
Resources
