Tunnels completed in 1942

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