Google+
know it ahead ™ ...
roadnow.com i66

Interstate 66




Interstate 66 (abbreviated I-66) is an interstate highway in the eastern United States. As indicated by its even route number, it runs in an east-west direction. Its western terminus is at Middletown, Virginia, at an intersection with Interstate 81; its eastern terminus is at Washington, D.C., at an intersection with U.S. Route 29.