With frigid temperatures and snow in the forecast, slippery roads can't be far behind. Salt keeps roads safe, but it's harmful to aquatic environments.
Chinese investment is driving an unprecedented investment boom in global infrastructure. But despite its claims to be pursuing green development, China's building bonanza is harming the planet.
A city-wide experiment suggests well-designed road use charges could ease congestion by encouraging people to drive at different times, take other routes or use other transport.
Conventional approaches to assessing the impact of cameras on collisions may be overoptimistic.
Instead of focusing on freeways, governments should change the way we pay for urban roads and public transport.
Australians are crying out for political leadership. One way our leaders can redeem themselves is by getting to work on a complete shake-up of how we pay for and use transport infrastructure.
The implications, economic and otherwise, of this massive policy change are only beginning to sink in.
The American Society of Civil Engineers gives US infrastructure a D+. What is it that we're doing wrong?
How might we, and our nation's roads and highways, need to change as autonomous vehicles become more ubiquitous? We know a lot of the answers, but not all of them.
Melbourne's proposed road project relies on assumptions that inflate estimates of the traffic the new link will carry – but other choices about the future of transport are open to us.
The U.S. owes much of its prosperity to investment in public goods like highways, parks and schools. Trump's budget poses a threat to these goods, which have already been on the decline.
Bike lanes in South Africa were meant to encourage commuter cycling and ease congestion but in Johannesburg the initiative garnered more outrage than support.
Because Australian roads were built and designed with motorists in mind, it is easy for Australian motorists to feel cyclists are using 'their' roads and disrespecting the natural order.
With WA's election looming, Perth's battle over the Roe 8 highway extension brings other environmental issues to the fore.
Think you couldn't possibly do without your car? There are more options than you might think.
Campaigners in Perth are fighting the destruction of bushland for a new highway. They have two of three historically important factors on their side.
Stonehenge has a traffic problem. But building a £1.4 billion tunnel is not the answer.
A new mapping study shows that roads have sliced and diced almost the entire land surface of Earth, leaving huge areas prone to illegal logging, mining and hunting.
China is ramping up its low-emission transport game – so will the rest of the world follow suit?
Transport infrastructure projects are conceived, planned and assessed in a way that makes it difficult to properly consider their major public health impacts.