Interstate 82

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This article is about the highway. For the video game, see Interstate '82.

Interstate 82 Main route of the Interstate Highway System
Length:	143.58 mi[1] (231.07 km)
West end:	I-90 in Ellensburg, WA
East end:	I-84 in Hermiston, OR

Interstate 82 (abbreviated I-82) is an interstate highway in the northwestern United States. Its western terminus is at an intersection with Interstate 90 in Ellensburg, Washington; its eastern terminus is at an intersection with Interstate 84 in Hermiston, Oregon. (Map)

[edit] Route description

I-82 serves two major purposes:

• Long haul/long trip
  • A link between Seattle, Washington and inland western cities such Boise, Idaho, Salt Lake City, Utah, and Denver, Colorado.
• Short trip traffic accounts for the vast majority of the actual traffic it carries:
  • I-82 serves at a local connector between cities along the Yakima River.
  • Between Ellensburg and Yakima, Washington
  • Between Yakima and lower Yakima Valley cities such as Toppenish and Sunnyside
  • Continuing on to the Tri-Cities area (Kennewick, Richland, and Pasco, Washington) and the Hanford Nuclear Reservation

The Fred G. Redmon bridge

I-82 crosses Selah Creek, just north of Selah, Washington over the Fred G. Redmon Bridge. At the time it was constructed in 1971, the twin-arch Fred G. Redmon Bridge was the longest concrete arch bridge in North America. The bridge is 1,337 feet long, and rises 325 feet above the canyon floor. The arch spans (excluding approach spans) are 549 feet long.

In 1999, a plan surfaced to extend Interstate 82 further south in Oregon. Three major routes were proposed:

• Madras Route: "From Umatilla through Heppner, Condon, Fossil and Antelope to Madras, where the interstate would replace Highway 97 south through Bend to the California border."
• Prineville Route: "From Umatilla through Heppner, Hardman, Spray, Prineville, Powell Butte to Highway 97 near Bend, then continue south to the border."
• Highway 395 Route: "From Umatilla through John Day, Burns and Lakeview," presumably to the California border and beyond. [1]

If the highway ever will be extended, it most likely will be renumbered to a route number that will reflect its north-south status, such as Interstate 7 or Interstate 9 (the number not chosen for the upgrade of California State Highway 99). Another idea has surfaced to renumber I-82 between the Tri-Cities and Ellensburg as a 3-di of I-90 and to designate U.S. Highway 395 as part of Interstate 7 or 9 if the Oregon extension is built.

I-82's designation is a violation of the Interstate system's numbering rules, as it's located north of I-84. The original designation for I-84 was I-80N, but was renumbered in 1980 as part of a mandate to eliminate suffixed routes. In addition, the planned western terminus for I-82 was originally Tacoma (instead of Ellensburg), with the route proceeding west from Yakima (instead of north) along the US-12 and SR-410 grades, up the Naches River over Naches Pass (currently proposed as SR-168) north of Mt. Rainier National Park.

The Oregon section of I-82 is designated the McNary Highway.

The route of the Washington section of I-82 is defined in Washington Revised Code § 47.17.135.[2]

[edit] Exit list

County	Exit #	Destinations	Notes
Washington
Kittitas County	0	Interstate 90/U.S. Route 97 at Exit 110	Western terminus I-82 Begin I-82/US-97 duplex
	3	WA-821 Thrall Road
	11	Military Road
Yakima County	26	WA-821 Firing Center Road/Canyon Road to Yakima Firing Center	to WA-823
	29	Pond Road E. Selah Road
	30	WA-823 Rest Haven Road
	31	U.S. Route 12 N. 1st St	31AB Southbound
	33A	Air Ave N. Air	Southbound exit
	33	WA-24	Exit 33B southbound
	36	East Valley Mall Blvd
	38	U.S. Route 97	Exit 37 southbound End I-82/US-97 duplex
	40	Thorp Road
	44	Donald Wapato Road
	50	Buena Road
	52	North Meyers Road
	54	Yakima Valley Highway
	58	Vanbelle Road
	63	West Sunnyside Road
	67	Midvale Road
	69	Waneta Road
	73	West Wine Country Road
Benton County	80	N. Gap Road
	82	Wine Country Road	to WA-22
	88	West Gibbson Road
	93	Yakitat Road
	96	WA-225	to WA-224
	102	Interstate 182	Western terminus of I-182 spur
	104	Dallas Road N. Dallas Road
	109	Badger Road
	113	north	Begin I-82/US-395 duplex
	114	County Route 397 — East Locus Road
	122	Coffin Road	to Bofer Canyon Road
	131	WA-14 McNary Road
	(132/0)	Columbia River — Washington/Oregon state border
Oregon – I-82 is named the McNary Highway in Oregon
Umatilla County	1	U.S. Route 395 south U.S. Route 730	End I-82/US-395 duplex
	5	County Route 1225
	10	County Route 1232 - Lamb Road
	(11)	Interstate 84/U.S. Route 30 at Exit 179	Eastern terminus I-82

[edit] Notes

Exits 88 and 93 were, until recently, the only interstate exits in the state of Washington still lit with mercury vapor streetlights. There is one mercury vapor light at the 320th St. S. exit in Federal Way, at the intersection of the northbound offramp and 320th St. It is not actually on the freeway, though, only on the offramp.

Mercury vapor lights cast a cold, blue light. Most of the Washington interstate system has high pressure sodium lighting, the common yellow streetlight. There are a few areas that have metal halide (clean, white light) as well, but those are growing in number while the use of mercury is shrinking. I-5 north of the Ship Canal Bridge has metal halide. State route 520 just east of 405 has some mercury lighting left over, as does the Valley Freeway (167) north of the SuperMall. Basically everywhere else, including now at exits 88 and 93, the lighting is sodium.

[edit] Related routes

	edit Auxiliary routes of Interstate 82
	Current and Future (F)	Former
	Washington

	edit State routes in Washington related to I-82
SR 821 - SR 823

[edit] References

1. ^ ^{a b c} Federal Highway Administration Route Log and Finder List, Main Routes of the Dwight D. Eisenhower National System Of Interstate and Defense Highways as of October 31, 2002

[edit] External links

• Interstate 82 at Larry's Phat Page

edit Main Interstate Highways (multiples of 5 in pink)
4	5	8	10	12	15	16	17	19	20	22	24	25	26	27	29	30
35	37	39	40	43	44	45	49	55	57	59	64	65	66	66 (W)		68
69	70	71	72	73	74	75	76 (W)		76 (E)		77	78	79	80	81	82
83	84 (W)		84 (E)		85	86 (W)		86 (E)		87	88 (W)		88 (E)		89	90
91	93	94	95	96	97	99	(238)		H-1		H-2		H-3
Unsigned			A-1		A-2		A-3		A-4		PRI-1		PRI-2		PRI-3
Lists		Main - Auxiliary - Suffixed - Business - Proposed - Unsigned Gaps - Intrastate - Interstate standards - Replaced

Browse numbered routes
< OR 78	OR		OR 82 >
< SR 41	WA		I-90 >