Analysis of information sources in references of the Wikipedia article "Narrows Bridge (Perth)" in English language version.
The existing bridge, built 40 years ago as a six lane bridge, currently has seven lanes but this will be reduced to six with extra lane width contributing to improved safety and driver comfort.
CONNELL WAGNER – SENIOR ENGINEER ( 1999–2000) I was involved with the following projects: 1. Duplication of Narrows Bridge Project, WA
The existing bridge, built 40 years ago as a six lane bridge, currently has seven lanes but this will be reduced to six with extra lane width contributing to improved safety and driver comfort.
The main bridgeworks for the rail project, including the Mount Henry Bridge, the Narrows Bridge and the Canning bus bridge amongst others, were grouped under one contract called "Package E", which was awarded to Leighton Contractors in January 2004. The Leighton Contractors design team for Package E consisted of Coffey Geosciences, GHD and Wyche Consulting.