. >> susan malveaux takes a look at other crashes in the country. >> tuesday's amtrak crash is just the horrifying accidents on u.s. rail. >> all of a sudden, in the blink of an eye, i went from one side of the train to the other side of the train. >> according to the federal railroad administration, on average, there have been 31 amtrak train derailments a year of varying degrees since 2006. so far, there have been nine this year prior to the most recent incident. and while amtrak operates about 80% of the 457 miles of track between washington and boston, called the northeast corridor, some of the most recent fatal crash ves involved commuter trains operated by others. in february, just north of new york city, a metro north commuter train slammed into a vehicle that was stopped on the track, killing the driver and six commuters. in disease 2013, federal soift officials say a metro north train jumped the tracks in bronx, new york, as it barrelled around a curve traveling three times the posted speed, killing four. with more than 111 million passengers traveling along the northeast corri