I-182  Washington (link)

15.19 miles [1]; west from I-82 into Pasco. Proposed for several years (dotted line on a 1976 map), the road opened in 1986.

The 1978 federal route log listed 33.42 miles for I-182. [2]

See also: I-182 (AARoads)

Sources

1. Route Log and Finder List - Interstate Highways, FHWA, Oct. 31, 2002.
2. Route Log and Finder List - Interstate Highways, USDOT, 1978