To fully understand why the U.S. interstate network doesn't have an I-50 or an I-60, we need to take a step back in time and have a look not just at the interstate system, but its numbered ...

This 469-mile East Coast Road Trip Route Is One of the Best in the U.S.—and It's Got Stunning Hiking Trails, Too. Blue Ridge Parkway was named one of America's best road trip routes in a new study.