Originally Posted by
practical
Wouldn't it be wonderful if there were a dedicated bike road that crossed the country. Or a whole system of dedicated bike roads.
What do you mean? Dedicated exclusively for bikes? If so, don't hold your breath. However, ACA is involved with creating the U.S. Bike Route System:
U.S. Bicycle Route System (USBRS) | Adventure Cycling Association
Soon they will start working on the Chicago to NYC portion in earnest.