Danube Valley Railway (Baden-Württemberg) Inzigkofen was pushed through by the German general staff, for whom the Danube Valley Railway was seen as a strategic railway in case of another war with France. Since 1901, the Danube Valley Railway, together with the Höllentalbahn (Schwarzwald), form part of the pan-regional railway link from Ulm to Freiburg im Breisgau. The Danube Valley Railway runs alongside the Danube river and crosses it several times. From Immendingen the line runs across the Upper Danube Nature Park "(Naturpark Obere Donau)", brushing up against the southern edge of the Schwäbische Alb, all the while following the course of the Danube. Between
Danube–Tisa–Danube Canal 1895 and 1899. István Türr participated in the compilation and implementation of the plans. The dam locks are powered by electricity. The electrical power required for operation is provided by the lock-built hydroelectric power generator. According to the official records, delegations arrived from as far as Japan for the inauguration ceremony. At the time of its construction, it was one of the most sophisticated dam-locks in the world. Danube–Tisa–Danube Canal Danube–Tisa–Danube Canal (DTD) () is a canal system in Serbia. It is a unique hydro-engineering system for flood control and hydrotechnical management, amelioration, forestry, water supply, waste water evacuation, navigation,