Aqueduct Veluwemeer, Netherlands
Veluwemeer is aqueduct on the N302 road near the small town of Harderwijk in the Eastern Netherlands. It is located under a small part of the lake Veluwemeer and at the same time connects the mainland Netherlands to Flevoland (largest artificial island in the world).
Veluwemeer is 25 meters (80 ft) long and under it daily passes about 28 000 vehicles. The aqueduct was opened to traffic in 2002.
Aqueduct Ringvaart Haarlemmermeer, Netherlands
Near Roelofarendsveen (a town in western Netherlands), the Ringvaart Channel crosses the A4 Highway by means of an aqueduct. It was built in 1961, making it the oldest aqueduct in the Netherlands. In 2006, construction was completed of two new portions: on the east side for crossing new north-bound lanes for the expanded highway; and on the west side for the new HSL-Zuid high-speed railway. The new aqueduct is 1.8 kilometres (1.1 mi) long.
Naviduct Krabbersgat, Netherlands
The Krabbersgat-locks in the Netherlands is the first “Naviduct” in the world. This unique mega project, consisting of a ship-lock with an underpass for road traffic, was conceived to ease bottlenecks for both vehicle and sea faring traffic.
The massive structure is 125 meters (410 ft) in length and 25 meters (82 ft) wide. 1,450 m3 of earth was removed to accommodate 20,000 m3 of concrete. This naviduct in Enkhuizen was opened in 2003.
Aqueduct Langdeel, Netherlands
Aqueduct Langdeel is located on the N31 highway, near the city of Leeuwarden in the northern Netherlands. The aqueduct carries the canal of the same name.
Construction began in 2004, and in 2007 the aqueduct was completed and opened to traffic. The aqueduct was 2.78 meters (9 ft) deep, 25 meters (82 ft) wide and 110 meters (360 ft) long. Concrete box aqueduct lies on the three rows of concrete pillars.
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