Reinforcement Sonnborner Kreuz for future 0 + 4 Verkerhsführung FR Dusseldorf.
Working in FR Düsseldorf
Reinforcement branch A, in the hollow boxes, bridge Sonnborn
Rehabilitation work in the carriageway area (old entrances)
Auxiliary supports "High-flyer Cronenberg"
- foundry maintenance supplements in the area d. old entrances 32 m