It might seem like an expensive exercise in sign clutter to some drivers. But if your car breaks down on the Illinois tollway, doubling the number of mile marker signs alongside the roadway will make ...

Green mile-marker signs are being erected every tenth of a mile on the 24-mile Lake Pontchartrain Causeway, much to the dismay of some commuters who have lambasted them as wasteful and unnecessary ...

NOBLE, Oklahoma -- South of Noble along Highway 77, a roadside sign tells drivers that a historical marker lies one mile ahead. But a mile ahead there is no marker, and no one in Noble can remember ...

The U.S. has more than 180,000 markers telling the nation's story. From the strange to the amazing to the offensive, history is marked for all to see. More than 35,000 groups and individuals have put ...