Business Chief APAC+ANZ Magazine July 2014 | Page 114

V icR oads
The Yellow Line Marking Trial , which improved visibility for drivers entering a work zone . Photo by Christian Pearson / Misheye
per cent .
“ Before the upgrades the freeway exceeded its capacity during peak periods , causing traffic disruption and delays along the entire route ,” Mr . Boyd said .
“ Travel times have now improved , with the most significant reduction in the Calder Freeway to Sydney Road section , Greensborough bound , where travel times have been cut by 50 per cent in the afternoon peak .”
“ The economic yearly benefits for travel time and speed for the Calder Freeway to Sydney Road section are considerable , with $ 66 million for the Greensborough bound direction and $ 27 million for the Altona bound section .”
“ A major bottleneck at Edgars Road , Greensborough bound , has also been removed with traffic now flowing freely along three lanes .”

“ One of our biggest challenges was building the flyover at the M80 Ring Road and Tullamarine Freeway interchange ”

– Trevor Boyd , VicRoads Project Director
ACHIEVEMENTS According to Mr . Boyd , a key highlight is working through engineering challenges with the dedicated M80 Ring Road Upgrade team .
“ One of our biggest challenges was building the flyover at the M80 Ring Road and Tullamarine Freeway interchange ,” Mr . Boyd said .
“ To construct the flyover ramp we had to ship 19 steel box girders from Tasmania , with a combined total weight of 822 tonnes . These were lifted up and bolted together on location .”
“ The placement of the steel girders required closures of the M80 Ring Road . To minimise
114 July 2014