Lists of Interstate Highways

The following are lists of highways in the Interstate Highway System:

• List of primary Interstate Highways
• List of auxiliary Interstate Highways
• List of suffixed Interstate Highways
• List of business routes of the Interstate Highway System
• List of future Interstate Highways

By state or territory

Alabama Alaska Arizona Arkansas California Colorado Connecticut Delaware District of Columbia Florida Georgia Hawaii Idaho

Illinois Indiana Iowa Kansas Kentucky Louisiana Maine Maryland Massachusetts Michigan Minnesota Mississippi Missouri

Montana Nebraska Nevada New Hampshire New Jersey New Mexico New York North Carolina North Dakota Ohio Oklahoma Oregon Pennsylvania

Puerto Rico Rhode Island South Carolina South Dakota Tennessee Texas Utah Vermont Virginia Washington West Virginia Wisconsin Wyoming

See also

• List of United States Numbered Highways