Two of the largest US railroads, Union Pacific and Norfolk Southern, announced on Tuesday a plan to combine in a $72 billion deal that would create America’s first transcontinental freight railroad.

In 1940, drivers lined up for hours to be the first to drive on the Pennsylvania Turnpike, which opened at midnight on Oct. 1, 1940. Journalists at the time called the Turnpike a “dream highway” and ...

The way Harriet Tubman planned her movements, gathered intel, and built networks was full-spectrum unconventional warfare.

The rapid expansion of America's railroad system in the 1800s and early 1900s was driven largely by a small group of powerful businessmen. Here we profile 12 of the most influential railroad magnates ...