The two Coen Tunnel are a transport connection between Amsterdam and West Zaanstreek. Perform under the North Sea Canal through and connect the City of Amsterdam to the north in the province of North Holland.
The tunnel got its name from the the nearby harbor Coenhaven, named after the Dutch coloniser Jan Pieterszoon Coen ( 1587-1629 ).
In 1961 started the construction, the costs amounted to 45 million guilders. The opening of the 1283 meter long tunnel was held on 21 June 1966. The ship ferry Hempont was up in the 1960s, the most important link to the north, there were around 5,800 cars transported every day. Today, the ferry is mainly used for the regional bicycle transport and transport of dangerous chemicals that may not be transported through the tunnel. 1989 drove 100,000 vehicles daily by the Coen Tunnel, making it more and more often came to traffic problems.
Second Coen Tunnel
Since the first Coentunnel was no longer sufficient for the ever-growing car traffic, was started in spring 2009 with the construction of the second tunnel. The estimated costs were estimated at 2.1 billion euros.
In 2012, he expected to be completed for traffic. The second tunnel is created next to the first Coentunnel and created along with a new highway, De Westrandweg, an extension of the highway Rijksweg 5 Due to delays of the second Coen tunnel is expected to be completed in spring 2013.
- Henk ten Berge: Spiegel van de land management. Uitgeverij Conserve, Schoorl 2005. ISBN 9789054291978
- K. Stiksma: Tunnels in the Netherlands, underground transport connections. Edited by Rijkswaterstaat, The Hague 1987