CHESTER, PA - APRIL 3: Emergency personnel investigate the crash site of Amtrak Palmetto train 89 on April 3, 2016 in Chester, Pennsylvania. Two people are confirmed dead after the lead engine of the train struck a backhoe that was on the track south of Philadelphia, according to published reports. Approximately 341 passengers and seven crew members were onboard the train, which was traveling from New York to Savannah, according to Amtrak. (Photo by Mark Makela/Getty Images)
Video Ad Feedback
Two die in Amtrak derailment
Two people were killed when an Amtrak train struck a vehicle on the tracks. Authorities say the victims were not passengers on the train.
0:53 • Source: WPVI
Amtrak Train Derailment Philadelphia 7 videos
CHESTER, PA - APRIL 3: Emergency personnel investigate the crash site of Amtrak Palmetto train 89 on April 3, 2016 in Chester, Pennsylvania. Two people are confirmed dead after the lead engine of the train struck a backhoe that was on the track south of Philadelphia, according to published reports. Approximately 341 passengers and seven crew members were onboard the train, which was traveling from New York to Savannah, according to Amtrak. (Photo by Mark Makela/Getty Images)
Video Ad Feedback
Two die in Amtrak derailment
0:53
Now playing
• Source: WPVI
CHESTER, PA - APRIL 3: Emergency personnel investigate the crash site of Amtrak Palmetto train 89 on April 3, 2016 in Chester, Pennsylvania. Two people are confirmed dead after the lead engine of the train struck a backhoe that was on the track south of Philadelphia, according to published reports. Approximately 341 passengers and seven crew members were onboard the train, which was traveling from New York to Savannah, according to Amtrak. (Photo by Mark Makela/Getty Images)
Video Ad Feedback
Source: 'Colossal' mistake Amtrak workers on wrong line
1:57
Now playing
• Source: CNN
amtrak derailment investigation sara ganim dnt newday_00014520.jpg
Video Ad Feedback
Investigation begins into fatal Amtrak crash
1:47
Now playing
• Source: CNN
CHESTER, PA - APRIL 3: Emergency personnel investigate the crash site of Amtrak Palmetto train 89 on April 3, 2016 in Chester, Pennsylvania. Two people are confirmed dead after the lead engine of the train struck a backhoe that was on the track south of Philadelphia, according to published reports. Approximately 341 passengers and seven crew members were onboard the train, which was traveling from New York to Savannah, according to Amtrak. (Photo by Mark Makela/Getty Images)
Video Ad Feedback
Two dead in Amtrak train derailment
1:20
Now playing
• Source: CNN
This photo shows an Amtrak train following an accident Sunday, April 3, 2016, in Chester, Pa. Amtrak said the train was heading from New York to Savannah, Ga., when it struck a backhoe outside of Philadelphia. (Glenn R. Hills Jr via AP) MANDATORY CREDIT
Video Ad Feedback
Passenger recounts moment of Amtrak derailment
0:55
Now playing
• Source: WPVI
lead seg foreman would ptc technology make a difference_00020513.jpg
Video Ad Feedback
2015: Could technology help stop train derailments?
2:05
Now playing
• Source: CNN
ac pkg randi kaye train simulator_00013421.jpg
Video Ad Feedback
2015: Train engineer instructor simulates derailment
4:30
Now playing
• Source: CNN