5. Viaduct Colums - The New Delft Water Walk

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Bolwerk
Delft
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Groundwater: These remainders of the train viaduct now tell the story of the train tunnel and its effect on the ground water.

You are standing in front of the two remaining supporting columns of the old train viaduct. Years ago, the elevated train line was supported by about 200 of these columns. A bit further north along the Spoorsingel, the train viaduct was 3 meters high and the space below was a parking area for about 500 cars. The viaduct was demolished in 2015, once the train tunnel was completed and trains were running underground. The tunnel affected the groundwater flow locally, and the Municipality installed drainage to control groundwater levels.