Photos: Amtrak train derailment in Philadelphia

A worker guides heavy machinery as it rolls near the tracks at the site where a deadly train derailment happened earlier in the week, Friday, May 15, 2015, in Philadelphia.  Amtrak is working to restore Northeast Corridor rail service between New York City and Philadelphia. Service was suspended after a train derailed in Philadelphia on Tuesday night, killing eight passengers and injuring more than 200.  (AP Photo/Julio Cortez)
A worker guides heavy machinery as it rolls near the tracks at the site where a deadly train derailment happened earlier in the week, Friday, May 15, 2015, in Philadelphia. Amtrak is working to restore Northeast Corridor rail service between New York City and Philadelphia. Service was suspended after a train derailed in Philadelphia on Tuesday night, killing eight passengers and injuring more than 200. (AP Photo/Julio Cortez)

A front loader is driven on the tracks near the site where a deadly train derailment happened earlier in the week, Friday, May 15, 2015, in Philadelphia. An Amtrak train headed to New York City derailed and crashed in Philadelphia on Tuesday night killing eight people and and sending more than 200 passengers and crew to area hospitals. Investigators have said the Amtrak passenger train was going more than twice the allowed speed when it shot off a sharp curve. (AP Photo/Julio Cortez)
A front loader is driven on the tracks near the site where a deadly train derailment happened earlier in the week, Friday, May 15, 2015, in Philadelphia. An Amtrak train headed to New York City derailed and crashed in Philadelphia on Tuesday night killing eight people and and sending more than 200 passengers and crew to area hospitals. Investigators have said the Amtrak passenger train was going more than twice the allowed speed when it shot off a sharp curve. (AP Photo/Julio Cortez)

Joseph Boardman, Tom Wolf, Michael Nutter
Philadelphia Mayor Michael Nutter, left, and Pennsylvania Gov. Tom Wolf, right, listen as Amtrak CEO, Joseph Boardman expresses his sorrow near the site of a deadly train derailment Thursday, May 14, 2015, in Philadelphia. In the moment the Amtrak train that derailed at a curve Tuesday night was supposed to be slowing down, it was accelerating, investigators said. (AP Photo/Mel Evans)

Howard and Susan Zemser, right, watch as midshipmen embrace during the the funeral service for their son U.S. Naval Academy midshipman Justin Zemser,  Friday, May 15, 2015, at Boulevard-Riverside-Hewlett Chapel in Hewlett, N.Y.  The 20-year-old sophomore was traveling from the academy in Annapolis, Maryland, to his home in New York City when he was killed in Tuesday's derailment in Philadelphia. He was one of eight people killed.  (AP Photo/Mary Altaffer)
Howard and Susan Zemser, right, watch as midshipmen embrace during the the funeral service for their son U.S. Naval Academy midshipman Justin Zemser, Friday, May 15, 2015, at Boulevard-Riverside-Hewlett Chapel in Hewlett, N.Y. The 20-year-old sophomore was traveling from the academy in Annapolis, Maryland, to his home in New York City when he was killed in Tuesday’s derailment in Philadelphia. He was one of eight people killed. (AP Photo/Mary Altaffer)

U.S. Navy midshipmen salute as the casket carrying the remains of U.S. Naval Academy midshipman Justin Zemser passes during his funeral procession, Friday, May 15, 2015, at Boulevard-Riverside-Hewlett Chapel in Hewlett, N.Y.  The 20-year-old sophomore was traveling from the academy in Annapolis, Maryland, to his home in New York City when he was killed in Tuesday's derailment in Philadelphia. He was one of eight people killed.  (AP Photo/Mary Altaffer)
U.S. Navy midshipmen salute as the casket carrying the remains of U.S. Naval Academy midshipman Justin Zemser passes during his funeral procession, Friday, May 15, 2015, at Boulevard-Riverside-Hewlett Chapel in Hewlett, N.Y. The 20-year-old sophomore was traveling from the academy in Annapolis, Maryland, to his home in New York City when he was killed in Tuesday’s derailment in Philadelphia. He was one of eight people killed. (AP Photo/Mary Altaffer)

Emergency personnel work at the scene of a deadly train derailment, Wednesday, May 13, 2015, in Philadelphia. The Amtrak train, headed to New York City, derailed and crashed in Philadelphia on Tuesday night, killing at least six people and injuring dozens of others. (AP Photo/Patrick Semansky)
Emergency personnel work at the scene of a deadly train derailment, Wednesday, May 13, 2015, in Philadelphia. The Amtrak train, headed to New York City, derailed and crashed in Philadelphia on Tuesday night, killing at least six people and injuring dozens of others. (AP Photo/Patrick Semansky)

Emergency personnel work at the scene of a deadly train derailment, Wednesday, May 13, 2015, in Philadelphia. The Amtrak train, headed to New York City, derailed and crashed in Philadelphia on Tuesday night, killing at least six people and injuring dozens of others. (AP Photo/Patrick Semansky)
Emergency personnel work at the scene of a deadly train derailment, Wednesday, May 13, 2015, in Philadelphia. The Amtrak train, headed to New York City, derailed and crashed in Philadelphia on Tuesday night, killing at least six people and injuring dozens of others. (AP Photo/Patrick Semansky)

Investigators examine the train derailment site, Wednesday, May 13, 2015, after a fatal Amtrak derailment Tuesday night, in the Port Richmond section of Philadelphia. Federal investigators arrived Wednesday to determine why an Amtrak train jumped the tracks in a wreck that killed at least six people, and injured dozens. (Alejandro A. Alvarez/Philadelphia Inquirer via AP)
Investigators examine the train derailment site, Wednesday, May 13, 2015, after a fatal Amtrak derailment Tuesday night, in the Port Richmond section of Philadelphia. Federal investigators arrived Wednesday to determine why an Amtrak train jumped the tracks in a wreck that killed at least six people, and injured dozens. (Alejandro A. Alvarez/Philadelphia Inquirer via AP)

Samuel Corum/Anadolu Agency/Getty Images
Samuel Corum/Anadolu Agency/Getty Images

Investigators examine the train derailment site, Wednesday, May 13, 2015, after a fatal Amtrak derailment Tuesday night, in the Port Richmond section of Philadelphia. Federal investigators arrived Wednesday to determine why an Amtrak train jumped the tracks in a wreck that killed at least six people, and injured dozens. (Alejandro A. Alvarez/Philadelphia Inquirer via AP)
Investigators examine the train derailment site, Wednesday, May 13, 2015, after a fatal Amtrak derailment Tuesday night, in the Port Richmond section of Philadelphia. Federal investigators arrived Wednesday to determine why an Amtrak train jumped the tracks in a wreck that killed at least six people, and injured dozens. (Alejandro A. Alvarez/Philadelphia Inquirer via AP)

Emergency personnel walk near the scene of a deadly train wreck, Wednesday, May 13, 2015, in Philadelphia. An Amtrak train headed to New York City derailed and crashed in Philadelphia on Tuesday night. (AP Photo/Mel Evans)
Emergency personnel walk near the scene of a deadly train wreck, Wednesday, May 13, 2015, in Philadelphia. An Amtrak train headed to New York City derailed and crashed in Philadelphia on Tuesday night. (AP Photo/Mel Evans)

Emergency personnel walk near the scene of a deadly train wreck, Wednesday, May 13, 2015, in Philadelphia. An Amtrak train headed to New York City derailed and crashed in Philadelphia on Tuesday night. (AP Photo/Mel Evans)
Emergency personnel walk near the scene of a deadly train wreck, Wednesday, May 13, 2015, in Philadelphia. An Amtrak train headed to New York City derailed and crashed in Philadelphia on Tuesday night. (AP Photo/Mel Evans)

AMTRAK CRASH
Map locates train derailment in Philadelphia. (Associated Press)

Emergency personnel work on Wheatsheaf Lane near the scene of a deadly train wreck, Wednesday, May 13, 2015, in Philadelphia. An Amtrak train headed to New York City derailed and crashed in Philadelphia on Tuesday night. (AP Photo/Mel Evans)
Emergency personnel work on Wheatsheaf Lane near the scene of a deadly train wreck, Wednesday, May 13, 2015, in Philadelphia. An Amtrak train headed to New York City derailed and crashed in Philadelphia on Tuesday night. (AP Photo/Mel Evans)

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A passenger from an Amtrak train that crashed is helped Tuesday, May 12, 2015, in Philadelphia. Train 188 was traveling from Washington to New York City. (AP Photo/Paul Cheung)
A passenger from an Amtrak train that crashed is helped Tuesday, May 12, 2015, in Philadelphia. Train 188 was traveling from Washington to New York City. (AP Photo/Paul Cheung)

Emergency personnel work the scene of a train wreck, Tuesday, May 12, 2015, in Philadelphia. An Amtrak train headed to New York City derailed and crashed in Philadelphia. (AP Photo/Joseph Kaczmarek)
Emergency personnel work the scene of a train wreck, Tuesday, May 12, 2015, in Philadelphia. An Amtrak train headed to New York City derailed and crashed in Philadelphia. (AP Photo/Joseph Kaczmarek)

Emergency personnel work the scene of a deadly train wreck, Tuesday, May 12, 2015, in Philadelphia. An Amtrak train headed to New York City derailed and tipped over in Philadelphia on Tuesday night, mangling the front of it, tearing the cars apart and killing several people.(AP Photo/Matt Slocum)
Emergency personnel work the scene of a deadly train wreck, Tuesday, May 12, 2015, in Philadelphia. An Amtrak train headed to New York City derailed and tipped over in Philadelphia on Tuesday night, mangling the front of it, tearing the cars apart and killing several people.(AP Photo/Matt Slocum)

Officers survey the scene of a train crash Tuesday, May 12, 2015, in Philadelphia. An Amtrak train headed to New York City derailed and crashed in Philadelphia. (AP Photo/Paul Cheung)
Officers survey the scene of a train crash Tuesday, May 12, 2015, in Philadelphia. An Amtrak train headed to New York City derailed and crashed in Philadelphia. (AP Photo/Paul Cheung)

Emergency personnel work the scene of a deadly train wreck, Tuesday, May 12, 2015, in Philadelphia. An Amtrak train headed to New York City derailed and crashed in Philadelphia. (AP Photo/ Joseph Kaczmarek)
Emergency personnel work the scene of a deadly train wreck, Tuesday, May 12, 2015, in Philadelphia. An Amtrak train headed to New York City derailed and crashed in Philadelphia. (AP Photo/ Joseph Kaczmarek)

Emergency personnel work the scene of a train wreck, Tuesday, May 12, 2015, in Philadelphia. An Amtrak train headed to New York City derailed and crashed in Philadelphia. (AP Photo/ Joseph Kaczmarek)
Emergency personnel work the scene of a train wreck, Tuesday, May 12, 2015, in Philadelphia. An Amtrak train headed to New York City derailed and crashed in Philadelphia. (AP Photo/ Joseph Kaczmarek)

Emergency personnel work the scene of a train wreck, Tuesday, May 12, 2015, in Philadelphia. An Amtrak train headed to New York City derailed and crashed in Philadelphia. (AP Photo/Joseph Kaczmarek)
Emergency personnel work the scene of a train wreck, Tuesday, May 12, 2015, in Philadelphia. An Amtrak train headed to New York City derailed and crashed in Philadelphia. (AP Photo/Joseph Kaczmarek)

Emergency personnel work the scene of a train wreck, Tuesday, May 12, 2015, in Philadelphia. An Amtrak train headed to New York City derailed and crashed in Philadelphia. (AP Photo/Matt Slocum)
Emergency personnel work the scene of a train wreck, Tuesday, May 12, 2015, in Philadelphia. An Amtrak train headed to New York City derailed and crashed in Philadelphia. (AP Photo/Matt Slocum)

Emergency personnel help a passenger at the scene of a train wreck, Tuesday, May 12, 2015, in Philadelphia. An Amtrak train headed to New York City derailed and crashed in Philadelphia. (AP Photo/Joseph Kaczmarek)
Emergency personnel help a passenger at the scene of a train wreck, Tuesday, May 12, 2015, in Philadelphia. An Amtrak train headed to New York City derailed and crashed in Philadelphia. (AP Photo/Joseph Kaczmarek)

Emergency personnel work the scene of a train wreck, Tuesday, May 12, 2015, in Philadelphia. An Amtrak train headed to New York City derailed and crashed in Philadelphia. (AP Photo/Joseph Kaczmarek)
Emergency personnel work the scene of a train wreck, Tuesday, May 12, 2015, in Philadelphia. An Amtrak train headed to New York City derailed and crashed in Philadelphia. (AP Photo/Joseph Kaczmarek)

Emergency personnel work the scene of a train wreck, Tuesday, May 12, 2015, in Philadelphia. An Amtrak train headed to New York City derailed and crashed in Philadelphia. (AP Photo/Joseph Kaczmarek)
Emergency personnel work the scene of a train wreck, Tuesday, May 12, 2015, in Philadelphia. An Amtrak train headed to New York City derailed and crashed in Philadelphia. (AP Photo/Joseph Kaczmarek)

Emergency personnel work the scene of a train wreck, Tuesday, May 12, 2015, in Philadelphia. An Amtrak train headed to New York City derailed and crashed in Philadelphia. (AP Photo/ Joseph Kaczmarek)
Emergency personnel work the scene of a train wreck, Tuesday, May 12, 2015, in Philadelphia. An Amtrak train headed to New York City derailed and crashed in Philadelphia. (AP Photo/ Joseph Kaczmarek)

Emergency personnel work the scene of a deadly train wreck, Tuesday, May 12, 2015, in Philadelphia. An Amtrak train headed to New York City derailed and tipped over in Philadelphia. (AP Photo/ Joseph Kaczmarek)
Emergency personnel work the scene of a deadly train wreck, Tuesday, May 12, 2015, in Philadelphia. An Amtrak train headed to New York City derailed and tipped over in Philadelphia. (AP Photo/ Joseph Kaczmarek)

Emergency personnel work the scene of a train wreck, Tuesday, May 12, 2015, in Philadelphia. An Amtrak train headed to New York City derailed and crashed in Philadelphia. (AP Photo/Joseph Kaczmarek)
Emergency personnel work the scene of a train wreck, Tuesday, May 12, 2015, in Philadelphia. An Amtrak train headed to New York City derailed and crashed in Philadelphia. (AP Photo/Joseph Kaczmarek)

Emergency personnel work the scene of a train wreck, Tuesday, May 12, 2015, in Philadelphia. An Amtrak train headed to New York City derailed and crashed in Philadelphia. (AP Photo/Joseph Kaczmarek)
Emergency personnel work the scene of a train wreck, Tuesday, May 12, 2015, in Philadelphia. An Amtrak train headed to New York City derailed and crashed in Philadelphia. (AP Photo/Joseph Kaczmarek)

A crime scene investigator looks inside a train car after a train wreck, Tuesday, May 12, 2015, in Philadelphia. An Amtrak train headed to New York City derailed and crashed in Philadelphia. (AP Photo/Joseph Kaczmarek)
A crime scene investigator looks inside a train car after a train wreck, Tuesday, May 12, 2015, in Philadelphia. An Amtrak train headed to New York City derailed and crashed in Philadelphia. (AP Photo/Joseph Kaczmarek)

Emergency personnel work the scene of a train wreck, Tuesday, May 12, 2015, in Philadelphia. An Amtrak train headed to New York City derailed and crashed in Philadelphia. (AP Photo/Joseph Kaczmarek)
Emergency personnel work the scene of a train wreck, Tuesday, May 12, 2015, in Philadelphia. An Amtrak train headed to New York City derailed and crashed in Philadelphia. (AP Photo/Joseph Kaczmarek)

Emergency personnel work the scene of a deadly train wreck, Tuesday, May 12, 2015, in Philadelphia. An Amtrak train headed to New York City derailed and tipped over in Philadelphia. (AP Photo/ Joseph Kaczmarek)
Emergency personnel work the scene of a deadly train wreck, Tuesday, May 12, 2015, in Philadelphia. An Amtrak train headed to New York City derailed and tipped over in Philadelphia. (AP Photo/ Joseph Kaczmarek)

Emergency personnel work the scene of a deadly train wreck, Tuesday, May 12, 2015, in Philadelphia. An Amtrak train headed to New York City derailed and tipped in Philadelphia. (AP Photo/ Joseph Kaczmarek)
Emergency personnel work the scene of a deadly train wreck, Tuesday, May 12, 2015, in Philadelphia. An Amtrak train headed to New York City derailed and tipped in Philadelphia. (AP Photo/ Joseph Kaczmarek)

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Emergency personnel help a passenger at the scene of a train wreck, Tuesday, May 12, 2015, in Philadelphia. An Amtrak train headed to New York City derailed and crashed in Philadelphia. (AP Photo/Joseph Kaczmarek)
Emergency personnel help a passenger at the scene of a train wreck, Tuesday, May 12, 2015, in Philadelphia. An Amtrak train headed to New York City derailed and crashed in Philadelphia. (AP Photo/Joseph Kaczmarek)

Emergency personnel help passengers at the scene of a train wreck, Tuesday, May 12, 2015, in Philadelphia. An Amtrak train headed to New York City derailed and crashed in Philadelphia. (AP Photo/Joseph Kaczmarek)
Emergency personnel help passengers at the scene of a train wreck, Tuesday, May 12, 2015, in Philadelphia. An Amtrak train headed to New York City derailed and crashed in Philadelphia. (AP Photo/Joseph Kaczmarek)

Emergency personnel work the scene of a train wreck, Tuesday, May 12, 2015, in Philadelphia. An Amtrak train headed to New York City derailed and crashed in Philadelphia. (AP Photo/Matt Slocum)
Emergency personnel work the scene of a train wreck, Tuesday, May 12, 2015, in Philadelphia. An Amtrak train headed to New York City derailed and crashed in Philadelphia. (AP Photo/Matt Slocum)

My train crashed

A video posted by Yameen Allworld "Holladay" (@yameenallworld) on

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Officers gather at the scene of a train crash Tuesday, May 12, 2015, in Philadelphia. An Amtrak train headed to New York City derailed and crashed in Philadelphia. (AP Photo/Paul Cheung)
Officers gather at the scene of a train crash Tuesday, May 12, 2015, in Philadelphia. An Amtrak train headed to New York City derailed and crashed in Philadelphia. (AP Photo/Paul Cheung)

An Amtrak train crashed Tuesday, May 12, 2015, in Philadelphia. Train 188 was traveling from Washington to New York City. (AP Photo/Paul Cheung)
An Amtrak train crashed Tuesday, May 12, 2015, in Philadelphia. Train 188 was traveling from Washington to New York City. (AP Photo/Paul Cheung)

Passengers of an Amtrak train that crashed gather Tuesday, May 12, 2015, in Philadelphia. Train 188 was traveling from Washington to New York City. (AP Photo/Paul Cheung)
Passengers of an Amtrak train that crashed gather Tuesday, May 12, 2015, in Philadelphia. Train 188 was traveling from Washington to New York City. (AP Photo/Paul Cheung)

A passenger is carried following an Amtrak train crash Tuesday, May 12, 2015, in Philadelphia. Train 188 was traveling from Washington to New York City. (AP Photo/Paul Cheung)
A passenger is carried following an Amtrak train crash Tuesday, May 12, 2015, in Philadelphia. Train 188 was traveling from Washington to New York City. (AP Photo/Paul Cheung)

Emergency personnel transport a person at the scene of a train wreck, Tuesday, May 12, 2015, in Philadelphia. An Amtrak train headed to New York City derailed and crashed in Philadelphia. (AP Photo/Matt Slocum)
Emergency personnel transport a person at the scene of a train wreck, Tuesday, May 12, 2015, in Philadelphia. An Amtrak train headed to New York City derailed and crashed in Philadelphia. (AP Photo/Matt Slocum)

Emergency personnel transport a person at the scene of a train wreck, Tuesday, May 12, 2015, in Philadelphia. An Amtrak train headed to New York City derailed and crashed in Philadelphia. (AP Photo/Matt Slocum)
Emergency personnel transport a person at the scene of a train wreck, Tuesday, May 12, 2015, in Philadelphia. An Amtrak train headed to New York City derailed and crashed in Philadelphia. (AP Photo/Matt Slocum)

This photo provided by WCAU NBC10 shows an Amtrak train that crashed Tuesday, May 12, 2015, in Philadelphia. Train 188 was traveling from Washington to New York City. (WCAU NBC10 via AP) MANDATORY CREDIT
This photo provided by WCAU NBC10 shows an Amtrak train that crashed Tuesday, May 12, 2015, in Philadelphia. Train 188 was traveling from Washington to New York City. (WCAU NBC10 via AP) MANDATORY CREDIT

This photo provided by WCAU NBC10 shows an Amtrak train that crashed Tuesday, May 12, 2015, near Philadelphia. Train 188 was traveling from Washington to New York City. (WCAU NBC10 via AP) MANDATORY CREDIT
This photo provided by WCAU NBC10 shows an Amtrak train that crashed Tuesday, May 12, 2015, near Philadelphia. Train 188 was traveling from Washington to New York City. (WCAU NBC10 via AP) MANDATORY CREDIT

This photo provided by WCAU NBC10 shows an Amtrak train that crashed Tuesday, May 12, 2015, near Philadelphia. Train 188 was traveling from Washington to New York City. (WCAU NBC10 via AP) MANDATORY CREDIT
This photo provided by WCAU NBC10 shows an Amtrak train that crashed Tuesday, May 12, 2015, near Philadelphia. Train 188 was traveling from Washington to New York City. (WCAU NBC10 via AP)

Vehicles surround the scene of an Amtrak train crash Tuesday, May 12, 2015, near Philadelphia. Train 188 was traveling from Washington, D.C., to New York City. (AP Photo/Paul Cheung)
Vehicles surround the scene of an Amtrak train crash Tuesday, May 12, 2015, near Philadelphia. Train 188 was traveling from Washington, D.C., to New York City. (AP Photo/Paul Cheung)

NTSB on scene of a train wreck aftermath, Wednesday, May 13, 2015, in Philadelphia. An Amtrak train headed to New York City derailed and crashed in Philadelphia, Tuesday, May 12, 2015.

NTSB on scene of a train wreck aftermath, Wednesday, May 13, 2015, in Philadelphia. An Amtrak train headed to New York City derailed and crashed in Philadelphia, Tuesday, May 12, 2015.

NTSB on scene of a train wreck aftermath, Wednesday, May 13, 2015, in Philadelphia. An Amtrak train headed to New York City derailed and crashed in Philadelphia, Tuesday, May 12, 2015.

NTSB on scene of a train wreck aftermath, Wednesday, May 13, 2015, in Philadelphia. An Amtrak train headed to New York City derailed and crashed in Philadelphia, Tuesday, May 12, 2015.

NTSB on scene of a train wreck aftermath, Wednesday, May 13, 2015, in Philadelphia. An Amtrak train headed to New York City derailed and crashed in Philadelphia, Tuesday, May 12, 2015.

NTSB on scene of a train wreck aftermath, Wednesday, May 13, 2015, in Philadelphia. An Amtrak train headed to New York City derailed and crashed in Philadelphia, Tuesday, May 12, 2015.

NTSB on scene of a train wreck aftermath, Wednesday, May 13, 2015, in Philadelphia. An Amtrak train headed to New York City derailed and crashed in Philadelphia, Tuesday, May 12, 2015.

NTSB on scene of a train wreck aftermath, Wednesday, May 13, 2015, in Philadelphia. An Amtrak train headed to New York City derailed and crashed in Philadelphia, Tuesday, May 12, 2015.

NTSB on scene of a train wreck aftermath, Wednesday, May 13, 2015, in Philadelphia. An Amtrak train headed to New York City derailed and crashed in Philadelphia, Tuesday, May 12, 2015.

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(Photo courtesy of NTSB)
(Photo courtesy of NTSB)
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(Photo courtesy of NTSB)
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A worker guides heavy machinery as it rolls near the tracks at the site where a deadly train derailment happened earlier in the week, Friday, May 15, 2015, in Philadelphia.  Amtrak is working to restore Northeast Corridor rail service between New York City and Philadelphia. Service was suspended after a train derailed in Philadelphia on Tuesday night, killing eight passengers and injuring more than 200.  (AP Photo/Julio Cortez)
A front loader is driven on the tracks near the site where a deadly train derailment happened earlier in the week, Friday, May 15, 2015, in Philadelphia. An Amtrak train headed to New York City derailed and crashed in Philadelphia on Tuesday night killing eight people and and sending more than 200 passengers and crew to area hospitals. Investigators have said the Amtrak passenger train was going more than twice the allowed speed when it shot off a sharp curve. (AP Photo/Julio Cortez)
Joseph Boardman, Tom Wolf, Michael Nutter
Howard and Susan Zemser, right, watch as midshipmen embrace during the the funeral service for their son U.S. Naval Academy midshipman Justin Zemser,  Friday, May 15, 2015, at Boulevard-Riverside-Hewlett Chapel in Hewlett, N.Y.  The 20-year-old sophomore was traveling from the academy in Annapolis, Maryland, to his home in New York City when he was killed in Tuesday's derailment in Philadelphia. He was one of eight people killed.  (AP Photo/Mary Altaffer)
U.S. Navy midshipmen salute as the casket carrying the remains of U.S. Naval Academy midshipman Justin Zemser passes during his funeral procession, Friday, May 15, 2015, at Boulevard-Riverside-Hewlett Chapel in Hewlett, N.Y.  The 20-year-old sophomore was traveling from the academy in Annapolis, Maryland, to his home in New York City when he was killed in Tuesday's derailment in Philadelphia. He was one of eight people killed.  (AP Photo/Mary Altaffer)
Emergency personnel work at the scene of a deadly train derailment, Wednesday, May 13, 2015, in Philadelphia. The Amtrak train, headed to New York City, derailed and crashed in Philadelphia on Tuesday night, killing at least six people and injuring dozens of others. (AP Photo/Patrick Semansky)
Emergency personnel work at the scene of a deadly train derailment, Wednesday, May 13, 2015, in Philadelphia. The Amtrak train, headed to New York City, derailed and crashed in Philadelphia on Tuesday night, killing at least six people and injuring dozens of others. (AP Photo/Patrick Semansky)
Investigators examine the train derailment site, Wednesday, May 13, 2015, after a fatal Amtrak derailment Tuesday night, in the Port Richmond section of Philadelphia. Federal investigators arrived Wednesday to determine why an Amtrak train jumped the tracks in a wreck that killed at least six people, and injured dozens. (Alejandro A. Alvarez/Philadelphia Inquirer via AP)
Samuel Corum/Anadolu Agency/Getty Images
Investigators examine the train derailment site, Wednesday, May 13, 2015, after a fatal Amtrak derailment Tuesday night, in the Port Richmond section of Philadelphia. Federal investigators arrived Wednesday to determine why an Amtrak train jumped the tracks in a wreck that killed at least six people, and injured dozens. (Alejandro A. Alvarez/Philadelphia Inquirer via AP)
Emergency personnel walk near the scene of a deadly train wreck, Wednesday, May 13, 2015, in Philadelphia. An Amtrak train headed to New York City derailed and crashed in Philadelphia on Tuesday night. (AP Photo/Mel Evans)
Emergency personnel walk near the scene of a deadly train wreck, Wednesday, May 13, 2015, in Philadelphia. An Amtrak train headed to New York City derailed and crashed in Philadelphia on Tuesday night. (AP Photo/Mel Evans)
AMTRAK CRASH
Emergency personnel work on Wheatsheaf Lane near the scene of a deadly train wreck, Wednesday, May 13, 2015, in Philadelphia. An Amtrak train headed to New York City derailed and crashed in Philadelphia on Tuesday night. (AP Photo/Mel Evans)
A passenger from an Amtrak train that crashed is helped Tuesday, May 12, 2015, in Philadelphia. Train 188 was traveling from Washington to New York City. (AP Photo/Paul Cheung)
Emergency personnel work the scene of a train wreck, Tuesday, May 12, 2015, in Philadelphia. An Amtrak train headed to New York City derailed and crashed in Philadelphia. (AP Photo/Joseph Kaczmarek)
Emergency personnel work the scene of a deadly train wreck, Tuesday, May 12, 2015, in Philadelphia. An Amtrak train headed to New York City derailed and tipped over in Philadelphia on Tuesday night, mangling the front of it, tearing the cars apart and killing several people.(AP Photo/Matt Slocum)
Officers survey the scene of a train crash Tuesday, May 12, 2015, in Philadelphia. An Amtrak train headed to New York City derailed and crashed in Philadelphia. (AP Photo/Paul Cheung)
Emergency personnel work the scene of a deadly train wreck, Tuesday, May 12, 2015, in Philadelphia. An Amtrak train headed to New York City derailed and crashed in Philadelphia. (AP Photo/ Joseph Kaczmarek)
Emergency personnel work the scene of a train wreck, Tuesday, May 12, 2015, in Philadelphia. An Amtrak train headed to New York City derailed and crashed in Philadelphia. (AP Photo/ Joseph Kaczmarek)
Emergency personnel work the scene of a train wreck, Tuesday, May 12, 2015, in Philadelphia. An Amtrak train headed to New York City derailed and crashed in Philadelphia. (AP Photo/Joseph Kaczmarek)
Emergency personnel work the scene of a train wreck, Tuesday, May 12, 2015, in Philadelphia. An Amtrak train headed to New York City derailed and crashed in Philadelphia. (AP Photo/Matt Slocum)
Emergency personnel help a passenger at the scene of a train wreck, Tuesday, May 12, 2015, in Philadelphia. An Amtrak train headed to New York City derailed and crashed in Philadelphia. (AP Photo/Joseph Kaczmarek)
Emergency personnel work the scene of a train wreck, Tuesday, May 12, 2015, in Philadelphia. An Amtrak train headed to New York City derailed and crashed in Philadelphia. (AP Photo/Joseph Kaczmarek)
Emergency personnel work the scene of a train wreck, Tuesday, May 12, 2015, in Philadelphia. An Amtrak train headed to New York City derailed and crashed in Philadelphia. (AP Photo/Joseph Kaczmarek)
Emergency personnel work the scene of a train wreck, Tuesday, May 12, 2015, in Philadelphia. An Amtrak train headed to New York City derailed and crashed in Philadelphia. (AP Photo/ Joseph Kaczmarek)
Emergency personnel work the scene of a deadly train wreck, Tuesday, May 12, 2015, in Philadelphia. An Amtrak train headed to New York City derailed and tipped over in Philadelphia. (AP Photo/ Joseph Kaczmarek)
Emergency personnel work the scene of a train wreck, Tuesday, May 12, 2015, in Philadelphia. An Amtrak train headed to New York City derailed and crashed in Philadelphia. (AP Photo/Joseph Kaczmarek)
Emergency personnel work the scene of a train wreck, Tuesday, May 12, 2015, in Philadelphia. An Amtrak train headed to New York City derailed and crashed in Philadelphia. (AP Photo/Joseph Kaczmarek)
A crime scene investigator looks inside a train car after a train wreck, Tuesday, May 12, 2015, in Philadelphia. An Amtrak train headed to New York City derailed and crashed in Philadelphia. (AP Photo/Joseph Kaczmarek)
Emergency personnel work the scene of a train wreck, Tuesday, May 12, 2015, in Philadelphia. An Amtrak train headed to New York City derailed and crashed in Philadelphia. (AP Photo/Joseph Kaczmarek)
Emergency personnel work the scene of a deadly train wreck, Tuesday, May 12, 2015, in Philadelphia. An Amtrak train headed to New York City derailed and tipped over in Philadelphia. (AP Photo/ Joseph Kaczmarek)
Emergency personnel work the scene of a deadly train wreck, Tuesday, May 12, 2015, in Philadelphia. An Amtrak train headed to New York City derailed and tipped in Philadelphia. (AP Photo/ Joseph Kaczmarek)
Emergency personnel help a passenger at the scene of a train wreck, Tuesday, May 12, 2015, in Philadelphia. An Amtrak train headed to New York City derailed and crashed in Philadelphia. (AP Photo/Joseph Kaczmarek)
Emergency personnel help passengers at the scene of a train wreck, Tuesday, May 12, 2015, in Philadelphia. An Amtrak train headed to New York City derailed and crashed in Philadelphia. (AP Photo/Joseph Kaczmarek)
Emergency personnel work the scene of a train wreck, Tuesday, May 12, 2015, in Philadelphia. An Amtrak train headed to New York City derailed and crashed in Philadelphia. (AP Photo/Matt Slocum)
Officers gather at the scene of a train crash Tuesday, May 12, 2015, in Philadelphia. An Amtrak train headed to New York City derailed and crashed in Philadelphia. (AP Photo/Paul Cheung)
An Amtrak train crashed Tuesday, May 12, 2015, in Philadelphia. Train 188 was traveling from Washington to New York City. (AP Photo/Paul Cheung)
Passengers of an Amtrak train that crashed gather Tuesday, May 12, 2015, in Philadelphia. Train 188 was traveling from Washington to New York City. (AP Photo/Paul Cheung)
A passenger is carried following an Amtrak train crash Tuesday, May 12, 2015, in Philadelphia. Train 188 was traveling from Washington to New York City. (AP Photo/Paul Cheung)
Emergency personnel transport a person at the scene of a train wreck, Tuesday, May 12, 2015, in Philadelphia. An Amtrak train headed to New York City derailed and crashed in Philadelphia. (AP Photo/Matt Slocum)
Emergency personnel transport a person at the scene of a train wreck, Tuesday, May 12, 2015, in Philadelphia. An Amtrak train headed to New York City derailed and crashed in Philadelphia. (AP Photo/Matt Slocum)
This photo provided by WCAU NBC10 shows an Amtrak train that crashed Tuesday, May 12, 2015, in Philadelphia. Train 188 was traveling from Washington to New York City. (WCAU NBC10 via AP) MANDATORY CREDIT
This photo provided by WCAU NBC10 shows an Amtrak train that crashed Tuesday, May 12, 2015, near Philadelphia. Train 188 was traveling from Washington to New York City. (WCAU NBC10 via AP) MANDATORY CREDIT
This photo provided by WCAU NBC10 shows an Amtrak train that crashed Tuesday, May 12, 2015, near Philadelphia. Train 188 was traveling from Washington to New York City. (WCAU NBC10 via AP) MANDATORY CREDIT
Vehicles surround the scene of an Amtrak train crash Tuesday, May 12, 2015, near Philadelphia. Train 188 was traveling from Washington, D.C., to New York City. (AP Photo/Paul Cheung)

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