Video: Golden Sleeper – Gotthard Base Tunnel

Placement of the last rail sleeper in the Gotthard Base Tunnel, the world’s longest railway tunnel, which was made with a golden coating.
Precision rail construction with minimum tolerances and low vibration track (LVT) for unrestricted high speed train operations up to 250 km/hr (156 mph).
Video in German language only – courtesy of Transtec Gotthard.