Like anything, train can & will have catastrophic events. Here are just a few:

– The 1993 Big Bayou Train Wreck. The Big Bayou Canot rail accident was the derailing of an Amtrak train on the CSX TransportationBig Bayou Canot Bridge near Mobile, Alabama, United States, on September 22, 1993. It was caused by displacement of a span and deformation of the rails when a tow of heavy barges collided with the rail bridge eight minutes earlier. Forty-seven people were killed and 103 more were injured. To date, it is both the deadliest train wreck in Amtrak’s history and the worst rail disaster in the United States.

– The 2008 Chatsworth Train Collision. The Chatsworth train collision occurred at 4:22 p.m.  on Friday, September 12, 2008, when a Union Pacific freight train and a Metrolink commuter train collided head-on in the Chatsworth neighbourhood of Los Angeles, California. The scene of the accident was a curved section of single track on the Metrolink Ventura County Line just east of Stoney Point.

– The 2015 Frankford Junction Wreck. On May 12, 2015, an Amtrak Northeast Regional train from Washington, D.C. bound for New York City derailed and wrecked on the Northeast Corridor near the Kensington neighborhood of Philadelphia, Pennsylvania. Of 238 passengers and 5 crew on board, 8 were killed and over 200 injured, 11 critically. The train was traveling at 164 km/h in a 80 km/h zone of curved tracks when it derailed. Some of the passengers had to be extricated from the wrecked cars. Many of the passengers and local residents helped first responders during the rescue operation. Five local hospitals treated the injured. The derailment disrupted train service for several days.

– The 2017 Dupont Train Derailment. On December 18, 2017, Amtrak Cascades passenger train 501 derailed near DuPont, Washington, United States.The lead locomotive and all twelve cars derailed at 7:33 pm  while approaching a bridge over Interstate 5. The trailing locomotive remained on the rails. A number of automobiles on southbound I-5 were crushed and three people on board the train died. The train derailed a short distance from where the new route merges with the previous route. Preliminary data from the data recorder showed that the train was traveling at 126 km/h, nearly 80 km/h over the speed limit, when the incident happened.

and these kind of things still happen.