Articles sur Roads

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Traffic congestion reconsidered

Despite efforts to encourage a shift to sustainable transportation, traffic congestion is often the focus of debates over mobility. Motorists endlessly demand more roads, but is this really a solution?
The Morrison government’s packaging of a bundle of roads spending as “urban congestion” measures is an acknowledgement that transport planning has been inadequate. Dean Lewins/AAP

Congestion-busting infrastructure plays catch-up on long-neglected needs

The focus on roads reflects the fact that this infrastructure program lags well behind the growth of our biggest cities, resulting in less-than-ideal transport patterns.
Commuters at Epping train station board replacement buses during work on the line for the Sydney Metro, the biggest of all the promised projects. Mick Tsikas/AAP

How the NSW election promises on transport add up

The major parties are promising projects costing tens of billions of dollars, with a surprisingly large overlap between them. Yet only two have been endorsed by infrastructure authorities.
Transport promises stretching as far as the eye can see: Victorian Labor’s big one is a $A50 billion suburban rail loop. Penny Stephens/AAP

How much will voters pay for an early Christmas? Eight charts that explain Victoria’s transport election

Whichever party wins, Victoria's new government will have promised the biggest transport infrastructure project in Australian history. So what are the promises and are they backed by proper assessment?
When a stream enters a culvert, the flow can be concentrated so much that water flows incredibly fast. So fast, in fact, that small and juvenile fish are unable to swim against the flow and are prevented from reaching where they need to go to eat, reproduce or find safety. Shutterstock

How did the fish cross the road? Our invention helps them get to the other side of a culvert

Our new invention tackles one of the greatest impediments to fish migration in Australia: culverts, those tunnels or drains often found under roads.
There are more than 50,000 public bridges in Australia. (The Sea Cliff bridge is one Australia’s newer bridges, built in 2005). from shutterstock.com

Are Australian bridges safe, and can we do better?

Australian bridges are generally safe, but we don't have transparent information about how often they're inspected or maintained.

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