Guide to Understanding the U.S. Highway Numbering System
For those traveling on the highways and byways today, it’s easy to get used to all the electronic gadgets such as GPS, cell phones, built-in navigational systems, and services that provide directions and help get you to your destination. However, it still doesn’t hurt for you to know and understand the road signs while traveling. There are two primary highway numbering systems in the United States: Both systems use a grid-based numbering scheme, but there are distinct differences in their ...