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A portion of old US 80 that followed the grade eastward from Pine Valley up to the
Sunrise Highway junction had to be closed for construction. A cut off road (now named old US 80) direct from Pine Valley eastward to the Sunrise Highway, also known as County Route S1 (a route to Mt. Laguna) was made
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By August 1970, the remainder of the freeway had been funded, with the part from
Japatul Valley Road to Laguna Junction costing $ 22 million (about $ 133 million in 2023 dollars), (about $ 91 million in 2023 dollars).
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prior to freeway construction. Near the "Laguna
Junction", was a road house cafe of the same name for travelers that existed from 1916 until it was removed in 1971 to provide land for the I-8 interchange. The
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Of the four 4,000 feet (1,200 m) highway summits eastward of San Diego, the Laguna Summit is the second. The first highway summit has been unnamed until "
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at the junction of County Route S1, also known as the "Sunrise
Highway" then continuing as a frontage road of Interstate 8 on the south side of the freeway.
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I-8 crests a 4,000 foot highway summit, at the old Laguna
Junction, now called Laguna Summit before descending towards Buckman Springs Road.
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Brandais, Jac (November 25, 2006). "80 at 80 - Old highway a reminder of bygone days in East County".
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The
Interstate 8 route was realigned from Arnold Way onto Alpine Boulevard as it passed through
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McVicar, Jim (January 23, 1986). "Forgotten haven was welcome resting spot on
Highway 80".
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now cites "Laguna
Junction" as a historical place name replaced by "Laguna Summit."
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Clance, Homer (August 9, 1970). "Area
Freeway Work Costs $ 107.5 Million".
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A section of old US 80 — with the first few miles signed as
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Summit information by district, county, route, and postmile
308:, California Department of Transportation, archived from
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476:(Map). Automobile Club of Southern California. 1948.
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San Diego County, California: A Bicyclist's
Paradise
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mostly paralleling the alignment used by old US 80.
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557:Mountain ranges of San Diego County, California
398:Johnston, Louis; Williamson, Samuel H. (2023).
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353:"Bicycling on Old U.S. 80 in San Diego County"
185:at an altitude of 4,055 feet (1,236 m).
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192:" was proposed in late 2019, now pending the
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207:Laguna Summit is located east of
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490:(Map). Shell Oil Company. 1966.
419:Gross Domestic Product deflator
257:United States Geological Survey
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194:United States Geological Survey
51:Show map of southern California
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173:is a highway pass through the
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547:Mountain passes of California
400:"What Was the U.S. GDP Then?"
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179:San Diego County, California
103:San Diego County, California
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76:Laguna Summit (California)
245:Cleveland National Forest
237:Viejas Indian Reservation
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94:4,055 feet (1,236 m)
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382:San Diego Union-Tribune
196:approval. The third is
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145:32.81083°N 116.51000°W
79:Show map of California
150:32.81083; -116.51000
509:California Highways
460:The San Diego Union
437:The San Diego Union
421:figures follow the
285:Google Street view.
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175:Cuyamaca Mountains
115:Cuyamaca Mountains
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522:Interstate 8 in
518:Interstate Guide
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417:United States
405:MeasuringWorth
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411:November 30,
409:. Retrieved
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310:the original
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227:Construction
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183:Interstate 8
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45:Location in
276:Pine Valley
209:Pine Valley
148: /
135:116°30′36″W
122:Coordinates
541:Categories
524:California
488:California
362:2017-06-02
339:2017-06-02
316:2017-06-02
290:References
264:SR 79
154: (
132:32°48′39″N
47:California
90:Elevation
532:AA Roads
499:See also
445:13155544
425:series.
334:AA Roads
268:Descanso
243:and the
235:and the
99:Location
528:Arizona
516:at the
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272:Guatay
233:Alpine
110:Range
526:and
441:OCLC
413:2023
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390:^
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Text is available under the Creative Commons Attribution-ShareAlike License. Additional terms may apply.
