route 20 association of new york state

Sign Celebrates Historic Role of Route 20 A new roadside historic marker in Cherry Valley traces the development of what is now known as U.S. Route 20. The nation’s longest highway began its journey in 1799 as the first Great Western Turnpike and grew along with settlers moving west. It would later become known as the Cherry Valley Turnpike and eventually, in 1926, after the arrival of the automobile, part of the U.S. highway system.…