Finding old highways and old alignments isn’t always as easy as looking for a road named “The Old Road” or “Old Highway 395”. Sometimes you have to dig deeper. There are many clues to finding old roadways as well as determining their age. This guide seeks to help unravel some of those mysteries and allow others to perhaps discover something new. Future sections will cover bridges, survey monuments, asphalt paving types, and many other aspects of road building.