News
WHIS®stone Nördlingen
Last week our WHIS®stones were installed in Nördlingen in cooperation with the Augsburg State Building Authority. Many thanks for the great cooperation and the successful project. Measurements by [...]
Van Den Kroonenberg prize2021
Our founders Ysbrand Wijnant and Eric de Vries have won the Van den Kroonenberg Prize.
Vreeland WHIS®barrier
We installed almost 300 meters WHIS®barrier for our client Provincie Utrecht. In this project we’ve combined our WHIS®top with a standard road safety barrier from Haitsma Beton.
Noise diffraction reduces traffic noise
From Noise news international 26 March 2020 In the last edition of Noise News International, published by Institute of Noise Control Engineering – USA, Ysbrand Wijnant had the opportunity [...]
Gelderland – Nijmegen residents freed from noise: measures exceeding expectations
From Omroep Gelderland, December 11, 2019 NIJMEGEN – The measures against traffic noise for Nijmegen-West and Neerbosch-Oost are working much better than expected. That became clear during the [...]
