The problem was between Ksenyevskaya and Kisliy Klyuch in the Trans Baikal region.
Huge economic boost from upgrade to Baikal-Amur and Trans-Siberian lines.
29 carriages with coal went off the rails on the Trans-Siberian line in Irkutsk region.
Answer: The Trans-Siberian Railway, according to international broadcaster CNN.
Her partner survived but Russian Railways warn people to take more care close to busy railroads.
Forest fire may have caused the blasts which led to 400 people being evacuated.
Russian Railways chief Vladimir Yakunin says this traditional form of cheap travel is outdated.
Japanese companies consider investment in railway extension via islands of Sakhalin and Hokkaido.
Wildfires ablaze early in year due to lack of snow, posing threat to railway in Russian Far East.
Crashing viaduct narrowly misses a freight train - and rail worker is seen fleeing the disaster.