Northern Latitudinal Railway
The Northern Latitudinal Railway (NLR; Северный широтный ход) is a Russian railway line previously under construction (construction is currently suspended) in the Yamalo-Nenets Autonomous District. It is 707 kilometres long, along the Obskaya - Salekhard - Nadym - Novy Urengoy - Korotchaevo route, which should link the western and eastern parts of the autonomous region, linking the Northern Railway in the east with Sverdlovsk Oblast.
Source: Wikipedia — Northern Latitudinal Railway (CC BY-SA 4.0)