Called interstate logo signs or specific service signs, these ubiquitous big blue billboards are godsends to weary travelers searching for gas, food, or lodging close to the highway ...

Interstate 70 through Missouri is full of the blue highway information signs that tell drivers about restaurant, hotels, gas stations and ... become familiar with the logos on the highway signs.

It could be Wendy’s for food, a BP for gas or a Holiday Inn for lodging. Every few dozen miles or so, you might see a sign covered in logos you have never seen before, for businesses you had no ...