There are a number of different road designations in the United States, from highways and freeways to interstates and routes, and it can cause some confusion with different laws and regulations.

Highways 5 and 65 in Des Moines are slated to become part of the interstate system, pending federal approval and resolution of agricultural traffic concerns. The redesignation, potentially as ...

The story of America’s interstates is usually told as a straightforward tale of postwar progress, but the real origins are stranger and more contested than the green signs suggest. The Dwight D.