The U.S. finally has a system to prevent deadly rail accidents. It took 50 years

A 2008 train crash in Chatsworth killed 25 people and broke a long congressional stalemate on a nationwide rail safety project known as "positive train control." Twelve years later, that system is finally in place.
Read more: https://www.latimes.com/world-nation/story/2021-01-02/nationwide-positive-train-control-safety-system?source=Snapzu