... 40, built along the same route to accommodate the expanding automobile traffic of the early twentieth century. •I-70 — the first Interstate Highway commissioned to transect the nation. A bit further west of that bridge on U.S. 40 is the Zane Grey National Road Museum, where panoramic scenes with miniature people and animals tell the story of how this first federally funded highway in the Northwest Territory united the cities of the east with the wilderness territory beyond the Appalachian Mountains and ...
