What I like about Adventure Cycling maps in addition to their durability, is the quick index of services in various towns.

The Great Divide Mountain Bike Route seems to have some alternate services listed even slightly off the route. The other Adventure Cycling maps I've used less so (Southern Tier, Trans-America). I do go back to an electronic form (Google Maps) to do my research there. However, without that I also still like the traditional paper highway maps including free maps that a number of states provide at Welcome Centers and similar places.