Us map interstates. Eisenhower national system of interstate and defense highways commonly known as the interstate highway system is a network of controlled access highways that forms part of the national highway system in the united states. Planned work area listings. Eisenhower national system of interstate and defense highways which is popularly referred as the interstate highway system is a part of the national highway system of the united states. This article discusses the hampton roads area and why it got the interstates freeways bridges and tunnels that it did.
There are 70 primary interstate highways in the interstate highway system a network of controlled access freeways in the united states. Free printable map of the united states interstate highway system. Before driving check with the caltrans highway information network chin 8004277623. They are assigned one or two digit route numbers whereas their associated auxiliary interstate highways receive three digit route numbers.
Click on numbered area for a detailed listing of planned work.