In this United States Road Atlas, the maps are arranged from West to East with the different sections done almost entirely to the same scale. Unlike most road atlases that put a state on each page, this format gives a more consistent representation of driving distances and scale. The NE corridor of the U.S. is done at a larger scale to get better detail in these more populated areas. Spiral bound version lies flat for easy viewing in the car. 20 National Park maps, maps of all the large cities and 24 page travelers guide. 224 pages total.