GM PD-4501 Scenicruiser Coach: Greyhound Bus Lines Thank you to everyone who joined us in celebrating this legend of American highways. We had the privilege of showcasing the real and only Series 001 Scenicruiser, the most perfectly preserved example in the United States. More than a bus, it’s a moving monument to innovation, a machine that changed the way millions traveled across America. Back in 1954, the Scenicruiser introduced comforts that were ahead of its time — panoramic windows, air con