Cycling tunnels

The Kennedytunnel is an important road, rail, and bicycle tunnel to the south of Antwerp, Belgium, under the Scheldt river. The road tunnel forms a part of Highway R1 – the not yet completed inner ring motorway surrounding the city. Opened to road traffic on 31 May 1969, and to rail traffic on 1 February 1970, the tunnel was named after John F. Kennedy, the thirty-fifth President of the United States.

thumb|210px|Euromast and Maastunnel ventilation (centre) thumb|right|210px|Cyclist section of the Maastunnel thumb|right|210px|Pedestrian section of the Maastunnel thumb|right|210px|Cross-section of the tunnel from :File:TUNNELBOUW-PGM4011510.webm|a 1938 video (full video on Commons) The Maastunnel is a tunnel in Rotterdam, the Netherlands, connecting the banks of the Nieuwe Maas. About 75,000 motor vehicles and a large number of cyclists and pedestrians use the tunnel daily, making the Maastunnel an important part of Rotterdam's road network. Building commenced in 1937 and finished in 1942. T

bicycle tunnel under the Place Charles-de-Gaulle, Paris