5th German Tunnel Congress (ITS)

JES at the 5th German Tunnel Congress in Garmisch-Partenkirchen on April 26-27, 2023. Lecture ‘Digitalization of Tunnel Ventilation’

A26 Donaubrücke in Linz

A26 Linz – Superlatives on the Danube

smart/AQM im TDC

JES at Tunnel Digitalization Center

JES International Webinar

Many participants from all over the world at the JES International Webinar in October 2022.

Man of the First Hour

Peter Macha, JES’ longest-serving employee, took his well-deserved retirement in November 2022 after nearly 32 years with JES.

New Logo

JES New Logo

Pelješac Bridge

Pelješac – every big bridge is followed by a tunnel

With the opening of the new Pelješac Bridge on July 26, 2022, the largest Croatian infrastructure project in the country’s history was completed.

JES equipped longest road tunnel in Brazil.

Longest tunnel of Brazil full operation has started. JES tunnelsensors ensure safe and energy-efficient operation for the term of next 30 years and beyond. JES, we can.

TSV Graz 2022 – “Home Match” in the World Tunnel Safety League

From May 9th to 11th, the international conference “Tunnel Safety and Ventilation” on the subject of safety and ventilation of tunnel systems took place in Graz.


Hard to Say Goodbye…