The good news: technology exists which will prevent a large number of serious train crashes. The bad news: implementation of this technology will likely be delayed causing commuter train passengers and others to remain at risk. Below is the background of this important issue.
In September of 2008, a Metrolink commuter train filled with passengers collided with a freight train killing 25 innocent people and injuring more than 100 others. In response to this tragedy, Congress passed the Rail Safety Improvement Act of 2008 which mandated implementation of Positive Train Control for all commuter rail lines and for freight lines hauling hazardous materials.
So what is Positive Train Control? It is technology which can stop or slow a train before certain types of accidents occur. For example, derailments caused by excessive speed, train-to-train collisions, unauthorized incursions and switching errors can all be prevented by Positive Train Control. Without question, Positive Train Control would have prevented the 2008 Metrolink accident.