Interstate 605 (Washington)

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For the freeway in Southern California, see Interstate 605.

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Interstate 605
Auxiliary route of

I-5

Maintained by WSDOT

Length:

40 mi (64.37 km)

Formed:

Proposed Early 1960's, 1968, 2000, and 2002

South end:

I-5 in South Puget Sound Region

Major
junctions:

I-90 near Issaquah

North end:

I-5 in Snohomish County

State highways in Washington
Lists: current - Interstates - 1937-70 - 1964 renumbering

Interstate 605 (or I-605), consisted of a 40-mile, north-south, six-lane highway to be built west of Lake Sammamish.

1 First Proposal
2 Second Proposal
3 Third Proposal
4 Fourth Proposal
5 References
6 External links

[edit] First Proposal

PSH 19's Shield

In the early 1960s while Washington's old primary highway system was active, the state legislature proposed a new route to be called PSH 19^[1] and go on the proposed ring route of the current proposed I-605. It was meant to become SR 605 but failed, thus creating the proposals for I-605.^{[citation needed]}

[edit] Second Proposal

In 1968, the state of Washington proposed that a new commerce corridor be built in King County. The proposal, dubbed by some as I-605. Rejected by residents of the time, the state then proposed building the highway east of Lake Sammamish, but residents there also rejected the plan.

[edit] Third Proposal

A later study then conducted by the state indicated that the highway was not needed, but that decision was changed when another north-south highway proposal surfaced in 2000. This newer proposal was for a north-south highway to run through the Snoqualmie Valley with the terminus points located in Tacoma and Everett, but King County rejected the idea and the state then focused on other ways to reduce congestion in the region.^[2]

[edit] Fourth Proposal

Another proposal that surfaced in 2002 was for a north-south highway to be built east of the Cascade Mountains and terminate at the Canadian border and Lewis County, but was rejected by environmental and anti-sprawl activitists.^[3]; while a proposal from 2003 would have placed the highway with terminus points in North Bend, Washington and south Snohomish County.^[4]

At the present time, the state of Washington has no plans to begin construction of a new north-south highway in the Puget Sound region to be named Interstate 605, but the Washington State Department of Transportation is widening SR 18 between Auburn and Interstate 90 from a two-lane highway to a four-lane limited access freeway. Three-fourths of that project is completed, with the final stretch to I-90 yet to be constructed.

[edit] References

[edit] External links

v • d • e Auxiliary routes of Interstate 5

California: 105 • 105 (former) • 205 • 305 (unsigned) • 405 • 505 • 605 • 805 • 905 (future) — Oregon: 105 • 205 • 305 (unbuilt) • 405 • 505 (unbuilt) — Washington: 205 • 405 • 605 (proposed) • 705