Historic Highway 20
Rediscover Iowa's Historic Highway 20 Auto Trail. It's time to be 20 again as you adventure 333 miles along the original 1926 alignments of Hold Highway 20 between the Mississippi and Missouri Rivers!
Historic Route 20 is the nation's longest active highway at 3,365 miles. The Eastern Terminus is in Boston, MA, and the Western Terminus is in Newport, OR.
Follow the
Brown and White Historic Signs
or visit the site at the link above to download a guide and map to your device or to print out. Route 20 merchandise can be found at Savvy Salvage in Dyersville, IA.
