Sydney’s new M4 East Motorway will include a 5.5 km twin tunnel

CIMIC Group’s company, Leighton Contractors, has been selected by WestConnex Delivery Authority (WDA) to design and construct Sydney’s M4 East Motorway, in a joint venture with John Holland and Samsung C&T. The contract is worth approximately 2.7 billion Australian dollars.

The 33 km WestConnex motorway, Australia’s largest transport infrastructure project, will link Sydney’s west and south-west with the city, airport and port. It is being constructed in three stages and will be progressively opened, with final completion scheduled for 2023.

The M4 East Motorway is part of the first stage of...

Related articles:

Issue 2022-06 Australia

Sydney Metro West – Eastern Tunnelling Package Awarded

The $1.63 billion Sydney Metro West project will deliver a new underground rail connection between the CBDs of Parramatta and Sydney. Works to be delivered under the Eastern Tunnelling Package include...

Issue 2012-05 Switzerland

East Section of Biel Bypass: Breakthrough at Längholz Tunnel

One of the final gaps in the Swiss motorway network is to be closed with the Biel Bypass in the Canton of Berne. The project will link the T6 from Berne with the A16 and A5 and is split into 2...


Porr Builds First Twin Motorway Tunnel in Romania

“The overall Sibiu-Pite?ti motorway project represents an important section of the Pan-European Corridor IV. We are proud to now be taking on another essential part of this transport axis,” says...

Issue 2017-07

Stuttgart–Ulm Rail Project: The Tunnel below the A8 Motorway on the Swabian Alb

The Tunnel beneath the BAB A8 The 377?m long, twin-track tunnel underpasses the motorway at a glancing intersection at the western end of the PFA 2.3 (Fig. 2). It was built in 10?m long blocks by...

Issue 2022-02 Romania | Rumänien

Porr to Build Romania’s First Twin Motorway Tunnel

Porr Romania was commissioned by the state road com pany CNAIR to design and build the Sibiu–Pites¸ti motorway, section 4 (Tigveni–Curtea de Arges¸). This 9.86 km long section includes a 1.35 km...