Picture: Beeldarchief Rijkswaterstaat


Longitudinal Training Dams in the Waal River and their effect on the use of the fairway


As part of the final evaluation of the pilot project Longitudinal Training Dams (LTDs) in the Waal River, MARIN was asked to conduct an analysis on their impact on inland shipping using AIS data.


T Sita Indah s.indah@marin.nl 26 report


hree LTDs were constructed in The Waal over a length of 10 kilometres at the section Wamel-Ophemert. Unlike


traditional groynes, LTDs are parallel to the riverbank, which divides the river into a navigational and a side channel.


This pilot project was launched in 2015 by Rijkswaterstaat (part of the Netherlands


Ministry for Infrastructure and Water Management) and is part of a larger project to tackle various river system related problems such as riverbed erosion and sedimentation, (extreme) low and high water and its impact on the freshwater supply, flood safety, and the use of the river as a waterway. At low water, the water concentrates in the fairway, improving


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