
road tunnel along Interstate 80 and U.S. Route 30 in Green River, Wyoming, United States
The Green River Tunnel is a pair of 1,138.2-foot (346.9 m) vehicular tunnels that carry Interstate 80 (Dwight D. Eisenhower Highway)/U.S. Route 30 through Castle Rock, a sandstone ridge in Green River in Sweetwater County, Wyoming, United States. The two tunnels, one for eastbound and one for westbound traffic, opened on October 28, 1966. The tunnels run approximately from mile points 90.1 to 90.3 along the interstate.
