The Transamerica has been well established since the 1970s. Nonetheless, how do you start at one coast and end up at the other coast without making a wrong turn?

Adventure Cycling is a nonprofit that advocates for people to travel by bike. Through them I purchased a series of 12 maps that cover the entire route. The maps include services along the way such as campgrounds, motels, and restaurants. I also purchased gpx files which I loaded directly into my Garmin Edge Explore 2 GPS which gives turn by turn directions across the entire US