It is interesting

The oldest working steam locomotive in the world «Fairy Queen» was built in 1855 and runs between New Delhi and Alwar in India.

The highest railway in the world is Qinghai-Tibet Railway .About 960 kilometers of it are at an altitude of 4,000 meters and more with the highest point being 5,072 meters above sea level.

The longest train in the world is the train from Zouerate to the coast at Nouadhibou in Mavritania. The iron ore train carry thousands of tons of crusehed rock in a chain of wagons up to 3 kilometers long.  

The train speed record was set by French high-speed train (TGV).  It reached a speed of 574.8km/h (356mph).

The longest railway in the world is Trans-Siberian Railway (Moscow-Vladivostok, Russia). The actual length of Transsib by the main passenger way is 9288,2 km (about 5772 miles). Transsib goes through the territory of two continents: Europe (1777 km, 1104 miles) and Asia (7512km, 4668 miles) and crosses mainland Eurasia from Vest to East.