But by the 1960s Route 1 had become too congested to be practical—a third of all Americans live within twenty miles of it—and Interstate 95 was built to zip traffic up and down the coast with only the most fleeting sense of a changing landscape. Today Route 1 is still there, but you would need weeks to drive its entire length. Now it is just a local road, an endless city street, an epic stretch of shopping malls.
