| 词条 | Knappe Tunnel |
| 释义 |
|name = Knappe Tunnel |image = Knappetunnelen.JPG |caption = |location = Bergen, Norway |coordinates = {{coord|60|19|13|N|005|16|10|E|display=title,inline}} |route = {{fylkesvei|557}} |status = In use |start = Dolvik |end = Liavatnet |startwork = 2006 |opened = 10 September 2010 |close = |owner = |operator = Statens vegvesen |traffic = |character = |toll = |vpd = |construction = |length = {{convert|2.6|km|abbr=on}} |lanes = 4 |speed = |hielevation = |lowelevation = {{convert|-29|m}} |height = |width = |grade = }} The Knappe Tunnel ({{lang-no|Knappetunnelen}}) is a four-lane, twin-tube motorway tunnel in the city-municipality of Bergen in Hordaland county, Norway. The tunnel is part of County Road 557 and consists of the first and second stages of the four-lane motorway project called "Ring Road West". The southern part of the tunnel goes under the Nordåsstraumen, a small strait connecting the lake Nordåsvatnet and the Grimstadfjorden. The tunnel was built in two stages. The first stage, from Dolvik in Søreidgrenda to Sandeide (with a branch heading east to Straume), started in August 2006 and was opened to the public on 10 September 2010. Stage 2 will run from Sandeide to the southern tip of the lake Liavatnet, where it will intersect with National Road 555. There are two extra exits/entrances to the tunnel (other than the two endpoints of the tunnel). There is a branch that heads east off the main path of the tunnel to connect to the village of Straume, and another branch that connects to the village of Sandeidet/Varden. The first part of the tunnel is {{convert|2.6|km|sp=us}} long, and the second segment is {{convert|2.8|km}} long. The second segment is scheduled for completion in 2015. In total, the entire tunnel will be about {{convert|5.4|km}} long. The lowest point of the tunnel is under the Nordåsstraumen strait, reaching {{convert|29|m}} below sea level.[1] References1. ^{{cite web |url=http://www.vegvesen.no/Vegprosjekter/ringvegvest/Fakta/Prosjektbeskrivelse |title=Prosjektbeskrivelse |publisher=Norwegian Public Roads Administration |language=Norwegian |accessdate=12 September 2011}} {{Norway-tunnel-stub}}{{Hordaland-geo-stub}}{{Subsea tunnels in Norway}}{{Road tunnels in Hordaland}}{{DEFAULTSORT:Knappe Tunnel}} 4 : Subsea tunnels in Norway|Road tunnels in Bergen|2010 establishments in Norway|Tunnels completed in 2010 |
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