Upside Down Under: Highway isolation

Upside Down Under: Highway isolation

Traveling across U.S. Highway 2 Monday on the way home, a thought entered my mind. How do the highways get named? For instance, why is U.S. 2, U.S. 2? Why is N.D. Highway 1806 so named? Apparently, it’s a mixed bag of examples and explanations that start with the interstate system. We all know that North Dakota has two interstate highways, soon to be three. I-94 runs west to east across the state...