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 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, tourism, fishing, hunting. It was named after the two large rivers which it connects – the Danube and the Tisa. There are several other names used for the canal in other languages: ; , etc. It covers the northern part of Serbia – the territory of Vojvodina (Bačka and Banat regions), with the total area of about 12,700 km². It consists of a number of canals, including: The