railway-technology.com

0d68j TIL we’ve been trying to build the hyperloop since 1799
0dAbp TIL The proposed Helsinki-Tallinn Railway Tunnel, when completed, will be the largest underground tunnel in the world. It will help to reduce time to cross the current Gulf of Finland route from two hours to approximately 20 minutes.
gMnaX TIL the Japanese bullet train system is equipped with a network of sensitive seismometers. On March 11, 2011, one of the seismometers detected an 8.9 magnitude earthquake 12 seconds before it hit and sent a stop signal to 33 trains. As a result, only one bullet train derailed that day.