| 词条 | Byfjord Tunnel |
| 释义 |
|name = Byfjord Tunnel |image = Byfjordtunnelen.jpg |caption = View of the entrance to the tunnel |location = Rogaland, Norway |coordinates = {{coord|59.0401|N|5.6332|E|display=title,inline}} |route = {{europavei|39}} |status = In use |start = Randaberg |end = Sokn |startwork = |opened = 1992 |close = |owner = |operator = Statens vegvesen |traffic = |character = |toll = Until 2006 |vpd = 9717 (2018) |construction = |length = {{convert|5875|m|mi|1|abbr=on}} |lanes = 2 |speed = |hielevation = |lowelevation = {{convert|-223|m|abbr=on}} |height = |width = |grade = 8% }} The Byfjord Tunnel ({{lang-no|Byfjordtunnelen}}) is a subsea road tunnel in Rogaland county, Norway. The {{convert|5875|m|adj=on}} long tunnel runs between Grødem on the mainland in Randaberg and the island of Sokn in Rennesøy municipality, running underneath the Byfjorden. The tunnel was built as part of the Rennesøy Fixed Link project which opened in 1992 with the goal of connecting all the islands of Rennesøy to the mainland. The tunnel was a toll road from 1992 until 2006. The tunnel is part of European route E39 highway. With a maximum 8% grade, the tunnel reaches a depth of {{convert|223|m}} below sea level at its lowest point. The tunnel held the distinction of being Europe's longest and the world's deepest tunnel upon its completion, it was surpassed by a deeper tunnel in 1994 and a longer tunnel in 1999.[1][2] The tunnel had an average daily traffic of 9,717 vehicles in 2018.[3] References1. ^{{cite web|url=http://img5.custompublish.com/getfile.php/123024.505/GAV.pdf?return=www.vegkapital.net |title=Beregning av gjenanskaffelsesverdien av riksvegnettet |author=Norwegian Public Roads Administration |year=2004 |language=Norwegian |accessdate=6 January 2011 |archiveurl=https://web.archive.org/web/20121006224949/http://img5.custompublish.com/getfile.php/123024.505/GAV.pdf?return=www.vegkapital.net |archivedate=6 October 2012 |deadurl=yes |df= }} {{Subsea tunnels in Norway}}{{Norway-tunnel-stub}}{{Rogaland-geo-stub}}2. ^{{cite web|url=https://snl.no/Byfjordtunnelen|title=Byfjordtunnelen|author=Store norske leksikon|authorlink=Store norske leksikon|language=Norwegian|accessdate=2015-12-18}} 3. ^{{Cite web|url=https://www.vegvesen.no/fag/trafikk/trafikkdata/trafikkregistreringer|title=Trafikkregistreringer - Rogaland - E39 Sokn|website=Statens vegvesen|language=nb|access-date=2019-03-10}} 8 : Subsea tunnels in Norway|Road tunnels in Rogaland|Randaberg|Rennesøy|European Route E39 in Norway|1992 establishments in Norway|Tunnels completed in 1992|Former toll tunnels |
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