Hey Jester I & A1A in Fla. Rte 1 can be tedious but it is a real taste of Americana. Strip malls, burger joints it's all on this road. (5 is great but so desolate). When we were kids, highway traveling had some interest. Now the car has to be loaded up with videos, games, etc.
I saw everything from chain gangs to a rodeo from the backseat of my parents' car! Plus the rest stops many times were located on roads with beautiful vistas such as skyline drive.