Add Yahoo as a preferred source to see more of our stories on Google. The Capitol subway is a small, private system that connects the Rotunda with congressional office buildings.OLIVIER DOULIERY/AFP ...

As transit agencies face growing climate risks and limited capital budgets, deciding which flood protection measures to implement—and where—has become a critical challenge. Now, a research team at NYU ...

Providence drew up plans as far back as 1913, inspired by the success of Boston's historic subway line. Here's why it never went anywhere.

Another example of the havoc the recent cold snap caused in New York City: Major crimes reported on the subway system rose 17% during the first five weeks of the year, according to NYPD data. The ...