The Eisenhower tunnel on I-70 in Colorado is the highest vehicular tunnel in the U.S., the longest mountain tunnel on the interstate system, and the highest point on the interstate system at 11,158 feet.
Interstate:
Commercial trade, business, movement of goods or money, or transportation from one state to another, regulated by the Federal Department Of Transportation (DOT).
The Eisenhower tunnel on I-70 in Colorado is the highest vehicular tunnel in the U.S., the longest mountain tunnel on the interstate system, and the highest point on the interstate system at 11,158 feet.
Interstate:
Commercial trade, business, movement of goods or money, or transportation from one state to another, regulated by the Federal Department Of Transportation (DOT).