Interstate 3 may refer to either any of four unconnected Interstate Highways in the United States:
- Interstate 3, a proposed route in Georgia and Tennessee, with a possible route through South Carolina and North Carolina
- Interstate A-3 in Alaska
- Interstate H-3 in Hawaii
- Interstate PRI-3 in Puerto Rico
Topics referred to by the same termThis disambiguation page lists articles about roads and streets with the same name.If an internal link led you here, you may wish to change the link to point directly to the intended article. Category: