Road and rail construction is booming in sub-Saharan Africa, but the pandemic has brought a welcome pause for reflection.

A new kind of concrete could let roads and bridges "heal" after cracking. That could cut down the costs and frequency of road repairs.

Road networks are emptying during lockdown. What does it mean for wildlife now and in the future?

Plans to build nearly 15,000 miles of road through tiger habitats in Asia by mid-century will up the risk for the big cat's extinction, researchers warn.

A new study forecasts that thousands of miles of new road construction will cut through tiger habitat across Asia by 2050. Planning can make these projects more tiger-friendly.

Researchers are teaching a self-driving DeLorean named MARTY to drift its way through an obstacle course of cones. See it in action for yourself.

People who ride off-road vehicles like dirt bikes and ATVs on city streets crash just as much as motorcyclists do, researchers say.

A new reflective film could pave the way for color-changing road signs. They would light up at night to better grab drivers' attention.

Permeable concrete pavement could help cities stave off the "urban heat island effect" on hot days without breaking the bank.

On this podcast episode, an expert breaks down the potential environmental hazards stemming from China's massive One Belt, One Road Initiative.