Overview of the street space topics Bild Traffic lights Bild Contributions for roads Bild Street lighting Bild Road maintenance Bild Street cleaning Bild Road administration Bild Traffic signage Bild Winter service Civil engineering & urban space Löbstedter Straße 68 07749 Jena Germany Phone 03641 4989-180 E-Mail tiefbau-stadtraum@jena.de Standort 50.943560553029, 11.605308462248 News Bild 10.06.2025 Wiesenstraße: Changed construction process In addition to the press release of April 30, the KSJ informs about the upcoming full closure and a changed construction process. read more Bild 16.05.2025 Full closure of the Gerbergasse KSJ informs about the upcoming full closure of Gerbergasse due to road construction work from May 19 to 28, 2025. read more Bild 06.05.2025 Road renovation on Wiesenstraße The KSJ will begin renovating a section of Wiesenstrasse on May 12, 2025. read more Bild 18.03.2025 Attention: Upcoming full closure KSJ informs about an upcoming full closure of Paradiesstraße and Grietgasse due to road works. read more Bild 13.12.2024 Replacement of the Forstweg bridge Replacement construction on the Weimar-Gera railroad line from the beginning of 2025 to the end of 2026 read more Bild 30.10.2024 E-transporter for city cleaning The KSJ street cleaning service receives the first two fully electric vans read more Bild 28.08.2024 Traffic detection at intersections with camera systems The busiest traffic light junctions in Jena handle up to 50,000 vehicles a day. read more Bild 14.08.2024 Traffic order A traffic order was issued for Löbstedter Straße, which has already been successfully implemented in part by the building yard. read more Bild 04.06.2024 E-charging at street lamps Jena pilot project by Stadtwerke Energie Jena-Pößneck and Kommunalservice Jena investigates new path for e-mobility read more Bild 12.09.2023 KSJ switches off the lights Kommunalservice Jena is taking part in "Earth Night" on 18.09.2023 and switching off all the lanterns in selected streets all night long. read more Civil engineering & urban space Löbstedter Straße 68 07749 Jena Germany Phone 03641 4989-180 E-Mail tiefbau-stadtraum@jena.de Standort 50.943560553029, 11.605308462248