Main Page | See live article | Alphabetical index Interstate 705 is a short interstate spur route of Interstate 5 located entirely within Tacoma, Washington. I-705 serves as the connector between Interstate 5, downtown Tacoma, and the Tacoma Dome. I-705 continues off of the northern terminus of Washington Highway 7 at Interstate 5. See Interstate 5 This article is from Wikipedia. All text is available under the terms of the GNU Free Documentation License.