Articles on Road infrastructure

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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.
Federal and state governments have put their hands up to fund airport rail links before we have even seen business cases. David Crosling/AAP

Missing evidence base for big calls on infrastructure costs us all

Billions of taxpayer dollars are committed before all the evidence for, and against, infrastructure projects is in. As well as missing business cases, basic rules of economic modelling are broken.
Sydney’s WestConnex is being constructed as a “high priority” project, despite its business case failing to meet Infrastructure Australia’s stated requirements. Ben Rushton/AAP

A closer look at business cases raises questions about ‘priority’ national infrastructure projects

Analysis of the business cases for three of the biggest projects deemed "high priority" by Infrastructure Australia raises questions about the process.
The Amazon rainforest is fed by a rich network of creeks, streams and rivers. Informal road construction is now endangering this critical ecosystem. Rickey Rogers/Reuters

Amazonian dirt roads are choking Brazil’s tropical streams

Thousands of dirt roads crisscross the Brazilian Amazon, serving ranchers, loggers and miners. The area's fragile waterways — and the spectacular fish that live in them — pay a high price.
Could a secret ingredient make crumbling concrete a thing of the past? m_e_mccarron

Fungi can help concrete heal its own cracks

Adding a bit of fungus to the initial ingredient list might be one way to endow concrete with the ability to fill in any bits of damage that occur, without the need for human intervention.
Reforming how drivers pay for the costs of their road use can help keep traffic flowing, which is just one of the potential benefits. Holli/Shutterstock

Delay in changing direction on how we tax drivers will cost us all

Traffic congestion is the main cost that cars create when they use existing roads. Road use charges are a more efficient and fairer way to cover the cost and help ensure traffic flows.
Truck platooning involves a lead truck with a driver guiding other trucks through vehicle to vehicle communication. cheskyw / 123rf.com

Coming soon to a highway near you: truck platooning

Elon Musk's new Semi has platooning capability - where multiple trucks commute in a line with a single driver in the lead vehicle. But could it work in Australia?

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