Interstate 705

Interstate 705 (I-705, Tacoma Spur) is a short Interstate Highway that is spur route of I-5 located in Tacoma, Washington, United States. I-705 serves as the connector between I-5, Downtown Tacoma, Tacoma's waterfront, North Tacoma, and the Tacoma Dome. I-705 was the last new portion of the Interstate Highway System to be constructed in Washington, having opened in 1988.

I-705
Tacoma Spur
Route information
Auxiliary route of I-5
Length	1.50 mi[1] (2.41 km)
Existed	1988–present
History	Codified into law in 1979
NHS	Entire route
Major junctions
South end	I-5 / SR 7 in Tacoma
Major intersections	SR 509 in Tacoma
North end	Schuster Parkway in Tacoma
Location
Country	United States
State	Washington
Counties	Pierce
Highway system
Interstate Highway System Main Auxiliary Suffixed Business Future State highways in Washington Interstate US State Scenic Pre-1964 1964 renumbering Former
← SR 704 SR 706 →