Highways are not great for the planet. Their smooth, wide, inviting lanes have helped make transportation the largest source of greenhouse gas emissions in the US, responsible for 29 percent of the ...

NASA’s urban air mobility airspace architect is looking into the considerations of flight safety management for large drones, copters and urban air taxis. The future urban air mobility market is ...

How did highway construction damage cities? The interstate system — largely built between the 1950s and 1970s — helped move Americans in large numbers and at high speeds, but its creation required a ...

Express lanes are a good idea. Build them next to congested, limited-access highways. Avoid pitfalls. An express lane authority manages traffic to keep speeds at 50 m.p.h. At this speed, twice as many ...

Arguing in favor of his tariffs, President Donald Trump claimed on Twitter Sunday that the US had "no debt" and "a big system of tariffs" when it built "everything from Highways to the Military with ...

Funding Colorado highways, the maintenance of the existing highways and the building of new highways to satisfy the demands created by more people, and the funding of capital construction projects and ...