Newly updated! Includes reverse driving directions (west-to-east). The 4th Edition of the original, acclaimed Route 66 Map Series by Mother Road historians Jerry McClanahan and Jim Ross,. In print continuously since 1994. A packaged set of eight road maps, one for each Route 66 state, provides an easy to follow "through route" aimed at keeping you on track and maximizing your Mother Road experience. Maps fold out to 21 1/2" x 17".