The Theemsweg line between Botlek and Europoort will be built by SaVe, a consortium of construction companies BEsix, Mobilis, Dura Vermeer, Hollandia and Iemants.

The project involves constructing a 4km double-track electrified line on an elevated alignment, with two steel bridges to carry trains across the Rozenburgsesluis locks, which provide a connection for domestic vessels travelling between the Hartelkanaal and the Brittaniëhaven.

The European Union is contributing €62m towards the €300m project, with the Dutch Ministry of Infrastructure and the Port of Rotterdam Authority providing the remaining funds.

The Port of Rotterdam Authority and Dutch rail infrastructure manager Prorail are working together to design and implement the project. When completed, the new section will be transferred to Prorail, which will be responsible for managing and maintaining the infrastructure. Construction will start in mid-2018 and the line will be completed in 2020.