2015 Philadelphia train derailment  On May 12, 2015, an Amtrak "Northeast Regional" train from Washington, D.C. bound for New York City derailed and wrecked on the Northeast Corridor near the Kensington neighborhood of Philadelphia, Pennsylvania. Of 238 passengers and 5 crew on board, 8 were killed and over 200 injured, 11 critically. The train was traveling at in a zone of curved tracks when it derailed. Some of the passengers had to be extricated from the wrecked cars. Many of the passengers and local residents helped first responders during the rescue operation. Five local hospitals treated the injured. The derailment disrupted train service for several days. The National Transportation Safety Board ruled that the derailment was caused by the train's engineer (driver) becoming distracted by other radio transmissions and losing situational awareness, and said that it would have been prevented by positive train control, a computerized speed-limiting system that was operational elsewhere on the Northeast Corridor, but whose activation at the wreck site had been delayed due to regulatory requirements. The track in question was also not equipped with ATC (automatic train control), an older and simpler system that had been operational for years on the southbound track of the curve at which the derailment occurred, and that also would have limited the train's speed entering the curve. Shortly after the derailment, Amtrak completed ATC installation on the northbound track. The 2015 wreck was the deadliest on the Northeast Corridor since 1987, when 16 people died in a wreck near Baltimore. At about 9:10 p.m. (EDT) on Tuesday, May 12, 2015, Amtrak's northbound "Northeast Regional" 188 departed Philadelphia's 30th Street Station en route from Washington, D.C., to New York City. The train consisted of seven cars hauled by a year-old Amtrak Cities Sprinter (ACS)-64 locomotive, No. 601. The engineer was Brandon Bostian, who had begun working the route a few weeks prior. The train entered a four-degree left curve on the four-track line at the railroad's Frankford Junction near the intersection of Frankford Avenue and Wheatsheaf Lane, and it derailed and wrecked at 9:23p.m.(EDT). Passengers reported that the front of the train shook at first, then came to a sudden stop. The entire train went off the track, with three cars rolling onto their sides. The train sustained at least $9.2 million in estimated damages. The train should have been slowing to approach the curve with a reduced speed limit of in its approach and within it, but instead, it had accelerated into the curve and was traveling at when its engineer applied the emergency brake, and when it derailed, according to Robert L. Sumwalt, the National Transportation Safety Board's lead investigator, who cited the onboard event recorder recovered from the wreckage.