Highway expansions tend to bring more greenhouse gas emissions. A few states are trying to change that dynamic, but it won’t be easy. By Brad Plumer The highways in Colorado, one of the nation’s ...

The United States' numbered highway system, established in 1926, unified travel with a logical numbering convention for US Highways and later the Interstate Highway System. These interconnected routes ...

Highways are usually built to connect places, but in some parts of the world, they do far more than that: they challenge geography, test human endurance, and blur the line between engineering and ...

A version of this story ran in the March / April 2024 issue. When we think of what our communities need, we usually think of affordable homes, good schools, and grocery stores. Not wide towering ...

Phase one of fixing the nation’s infrastructure is not just about some of the obvious: repairing potholes, bridges, roads, airports, schools, creating new power grids, replacing lead pipes and ...