Sinclair Knight Merz, Parsons Brinckerhoff and the RTA will undertake detailed design work for the upgrade of the Great Western Highway between Mount Victoria and Lithgow.
Highway Construction Pty Ltd will commence construction in June 2011 on widening the Kwinana Freeway between Leach Highway and Roe Highway to three lanes.
The WA Government has awarded A $755,000 contract to design and document the widening of Onslow Rd and a section of North West Coastal Highway to Sinclair Knight Merz.
An independent review of alternate bridging and route options for the Brighton Bypass has been completed by engineering and construction consultant Sinclair Knight Merz (SKM).