The Jablunkov tunnels were two railroad tunnels that passed through the Jablunkov passage in the Czech Republic, close to Poland and Slovakia. Between 2007 and 2013 they were reconstructed leaving one as a double-track tunnel and the other as an exit corridor.

This is a large project where Caldibe manufactured a formwork in carbon steel type S-275 JR. We have extensive experience in large scale formwork and a good example is this project.