Deletion of Interstate 605 (Washington)

Comment: I found http://www.accessmylibrary.com/coms2/summary_0286-6809561_ITM this source, which could be of use. Also, the two existing sources seem just barely on the side of . Something doesn't have to ''exist'' to be verifiable. I still want the nom to give a reason for deletion, though
Stance: keep
Cited policy: Wikipedia:Verifiability (WP:V)

Comment: An October, 2005 article http://seattletimes.nwsource.com/html/localnews/2002586071_605freeway27m.html (newer than anything on the article page) indicates that there are no current plans for I-605 and that no King County, Washington road plans have ever included I-605.  I-605 was nothing more than a proposal made several decades ago an no serious work has ever been done to make it happen.  I-605 in Seattle is pure .  Even the name "I-605" is purely speculative since nothing at all exists and no official name for the yet-to-be-anything-more-than-speculative-freeway has ever been approved.  How can this article claiming that there is a "proposed I-605" not be 
Stance: comment
Cited policy: Wikipedia:What Wikipedia is not (WP:CRYSTAL||WP:CRYSTAL)

Comment: This highway may never be built, but refs have been furnished from two newspapers and a TV station which discuss the proposal and use the I 605 nomenclature, thus barely satisfying . Many existing highways with articles have poorer refs than this and have survived AFDs
Stance: keep
Cited policy: Wikipedia:Notability (WP:N)