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The northbound bore of the tunnel is 4.27 kilometers (2.65 mi) long while the southbound bore is 4.25 kilometers (2.64 mi) long. The northern end of the tunnel sits at 333.6 meters (1,094 ft) above sea level and the southern end sits at 322.2 meters (1,057 ft). The speed limit in
244:. Its 4.27-kilometer-long (2.65 mi) northbound tunnel is the longest tunnel on the Tōhoku Expressway. Its completion in 1986 was one of the final pieces of the 679.5 km (422.2 mi) Tōhoku Expressway from
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Prior to the opening of the tunnel the primary high-speed route from
Morioka to Aomori was the
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The
Sakanahi Tunnel opened on 30 July 1986. This allowed the expressway to open between
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the tunnel is set at 70 km/h. The tunnel is the longest on the Tōhoku
Expressway.
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and the Tōhoku
Expressway of traffic from Hachinohe to Aomori, via the
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The northern entrance to the Tokyo-bound side of the
Sakanashi Tunnel
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runs parallel to the tunnel, but winds through the mountain pass.
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369:"The World's longest tunnel page - Road Tunnels in Japan"
429:"過去のイベント一覧｜青森県庁ウェブサイト Aomori Prefectural Government"
269:. That route is currently being extended to relieve
240:. The tunnel crosses Sakanashi Pass of the northern
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100:Approx. 58 km (36 mi) south of
222:4,265 m (13,993 ft) northbound
220:4,254 m (13,957 ft) southbound
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57:Show map of Aomori Prefecture
471:1986 establishments in Japan
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486:Roads in Aomori Prefecture
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279:Second Michinoku Toll Road
481:Roads in Akita Prefecture
466:Tunnels completed in 1986
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131:40.412222°N 140.683361°E
461:Road tunnels in Japan
136:40.412222; 140.683361
275:Hachinohe Expressway
283:Kamikita Expressway
267:Michinoku Toll Road
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435:on 25 October 2017
395:on 7 December 2017
335:on 7 December 2017
287:National Route 282
102:Aomori Interchange
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476:Tōhoku Expressway
242:Ōu Mountain Range
238:Tōhoku Expressway
234:Sakanashi Tonneru
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82:Show map of Japan
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437:. Retrieved
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185:30 July 1986
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252:Description
248:to Aomori.
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122:140°41′00″E
109:Coordinates
455:Categories
439:7 December
399:7 December
339:7 December
309:References
119:40°24′44″N
212:Technical
200:Character
177:Operation
409:cite web
349:cite web
232:(坂梨トンネル
190:Operator
97:Location
92:Overview
293:History
162:Crosses
281:, and
217:Length
207:tunnel
182:Opened
167:Aomori
393:(PDF)
386:(PDF)
333:(PDF)
326:(PDF)
246:Tokyo
203:Twin-
147:Route
441:2017
415:link
401:2017
355:link
341:2017
301:and
228:The
205:bore
169:and
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Text is available under the Creative Commons Attribution-ShareAlike License. Additional terms may apply.
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