 State Route 704 | ||||
|---|---|---|---|---|
 Map of southwestern Pierce County with the proposed route of SR 704 highlighted in red. | ||||
| Route information | ||||
| Auxiliary route of SR 7 | ||||
| Maintained by WSDOT | ||||
| Length | 0.63 mi[1] (1,010 m) | |||
| Existed | 2002–present | |||
| Major junctions | ||||
| West end | Spanaway Loop Road near Spanaway | |||
| East end |  SR 7 near Spanaway | |||
| Location | ||||
| Country | United States | |||
| State | Washington | |||
| Highway system | ||||
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State Route 704 (known as SR 704 or the Cross-Base Highway) is a state highway located entirely in Pierce County, Washington, United States. It is intended to provide access between Interstate 5 (I-5) and SR 7 by passing through a portion of Joint Base Lewis–McChord, a major U.S. military installation. The designated route comprises a short, 0.6-mile (0.97 km) section near SR 7 in Spanaway. The full 6-mile (9.7 km) highway is estimated to cost $480 million to construct, but remains unfunded.
- ^ Multimodal Planning Division (January 4, 2021). State Highway Log Planning Report 2020, SR 2 to SR 971 (PDF) (Report). Washington State Department of Transportation. p. 1683. Retrieved April 8, 2022.