To him, the earth’s surface beyond the pavement was simply a moving tableau — a gauzy, unreal backdrop for his high-speed travel. He was spatially crippled. The writer Rebecca Solnit nails this mind-set perfectly in her book “Wanderlust: A History of Walking”: “In a sense the car has become a prosthetic, and though prosthetics are usually for injured or missing limbs, the auto-prosthetic is for a conceptually impaired body or a body impaired by the creation of a world that is no longer human in scale.”