From Thursday, 19.02.2026, the expansion project in Tiefensteiner Straße between the Weiherschleife and the Grimm retirement home will continue with the third section. The construction work is expected to last until 30.06.2026. Over a length of around 440 meters, the road and sidewalks will be extended and the street lighting as well as the supply systems for water, sewer, gas, electricity and telecommunications will be renewed or renovated. The expansion of the third section will again be carried out under full road closure. Due to the closure of the B422, a large-scale detour of road traffic, including public transport, is necessary. The Oberstweiler, Weiherschleife, Autohaus Barth&Frey, Hettstein, Andreasstraße, Leyser and Mühlschied stops cannot be served. Passengers to/from Oberstweiler and Weiherschleife are requested to use line 830 to/from Mackenrodter Weg.
During the Veitsrodt market from July 11 to 14, there will be further large-scale changes to the timetables.
The buses will be rerouted as follows:
Line 800: Idar-Oberstein - Trier
From Idar-Oberstein, route 800 will continue from Idar-Eltwerk via Vollmersbach and Veitsrodt to Tiefenstein.
On the detour route, the stops Idar-Festplatz Salvea Reha, Vollmersbach Tiefensteiner Straße, Veitsrodt Spitzgarten and Veitsrodt Markt will be served. In Tiefenstein, the Stadenhalle stop will also be served in addition to the regular Kirschweiler Straße stop.
Due to the detour, route 800 will arrive at the Tiefenstein Stadenhalle stop around 5 minutes later and will therefore also arrive in Trier 5 minutes later. In the opposite direction, the departure from Trier is 5 minutes earlier, also with the detour via Veitsrodt and the same stops.
Connections: In Vollmersbach or Veitsrodt it is possible to change to the buses on route 850/855 in the direction of Rhaunen. At the Idar Festplatz Salvea Reha stop, you can change to line 802 to Idar-Marktplatz/Alexanderplatz. You can also change at Erbeskopf to line 890 in the direction of Allenbach, Kempfeld and Schauren.
Line 804 Idar-Oberstein - Tiefenstein
Line 804 will run every 90 minutes instead of every hour as before. The route to Idar Alexanderplatz remains unchanged.
From there, the buses will travel via Vollmersbach and Veitsrodt to Tiefenstein. From the Bachweg stop, the Idarbachtalschule, Mühlschied, Leyer and Andreasstraße stops will be served. All stops to Tiefenstein, Andreasstraße are served. The stops Beryllstraße, Citrinstraße, Gh. Alte Scheune and Stadenhalle will not be served.
Line 840: Idar-Oberstein - Wittlich
Line 845: Idar-Oberstein - Morbach
Lines 840 and 845 start and end in Idar Marktplatz - with the exception of the first and last journeys of the day, which continue to run through to Idar-Oberstein station.
The section between Idar-Oberstein station and Idar Marktplatz will be omitted. From Idar Marktplatz, buses will travel via Vollmersbach and Veitsrodt to Tiefenstein. The bus stops Vollmersbach Tiefensteiner Straße, Veitsrodt Spitzgarten and Veitsrodt Markt will be served as substitutes. In Tiefenstein, only the Bachweg stop will be served.
The start and end stop for routes 840 and 845 in Idar is Marktplatz, which is served by routes 118, 616, 121 and 617 on route 840.
From Idar Marktplatz, you can continue on lines 850/855 in the direction of Idar-Oberstein station.
From Idar-Oberstein station, the best way to reach the buses on routes 840/845 is to take route 830.
Further changes in detail:
- Journey 845-101 departs Idar-Oberstein station 3 minutes earlier on Mondays to Fridays, i.e. at 5:27 instead of 5:30.
- Journey 845-106 starts Monday to Friday in Morbach at the ZOB 8 minutes earlier, i.e. at 6:30 instead of 6:38.
Line 847:
- Farthest at 06:40 (10 min earlier)
The changes to the school services on lines 804, 840, 845, 847 and 850S and the amended timetables can be found in the appendix.
The detour route can be viewed in our live mobi map can be viewed.