Updated at 6:30 a.m. ET
The National Transportation Safety Board says an Amtrak passenger train that derailed from an overpass south of Tacoma, Wash., leaving at least three people dead, was traveling at 80 mph in a 30 mph zone.
At a news conference late Monday Pacific Time, NTSB board member Bella Dinh-Zarr said the speed of the train at the time of the accident had been determined by downloading the event data recorder from the train's rear locomotive.
Train 501 of Amtrak's Cascades service from Seattle to Portland, Ore., was on its maiden run of a faster-speed service when it careened off the track at a curve at DuPont on Monday. Thirteen of the train's 14 cars came off the tracks. In addition to the three people killed in the accident, dozens of people — train passengers, crew and those in vehicles on the ground — were injured, Washington State Patrol spokesman Dan Hall said. Ten of those hurt were in serious condition, four had moderate injuries, and another nine suffered minor injuries, he said.
Asked whether the NTSB had any theories as to why the train was traveling so fast in the 30 mph track zone, Dinh-Zarr told reporters, "It's too early to tell."
She said one of the questions that investigators hoped to answer in interviews with the crew was whether the engineer was aware of the speed limit in the corridor where the accident occurred.
Dinh-Zarr said the NTSB was checking to see whether the positive train control, or PTC, was installed on the stretch of track in question. PTC is a system designed to automatically stop a train in certain dangerous situations.
As NPR's Martin Kaste and Colin Dwyer reported on Monday, it was the first time the train had plied a new, more direct and faster route "on tracks known as the Point Defiance Bypass, which are owned by the Sound Transit agency. The Washington State Department of Transportation says the Federal Railroad Administration funded and reviewed recent upgrades to the tracks."
The new route eliminates the speed-sapping corners and tunnels on the more scenic route that ran along Puget Sound.
In total, the project's budget was nearly $181 million and has been in the works for about a decade, according to Will James of member station KNKX in Tacoma.
The Washington State Department of Transportation had billed the service "as a more frequent, more reliable, and faster Amtrak Cascades service."
But some local officials were skeptical of the new service, questioning whether the trains would be safe at higher speeds. Earlier this month, the mayor of Lakewood, a suburb of Tacoma, predicted a deadly accident.
Mayor Don Anderson said the addition of grade separations, such as overpasses, to keep trains, cars and pedestrians separated, was needed.
"Come back when there is that accident and try to justify not putting in those safety enhancements, or you can go back now and advocate for the money to do it, because this project was never needed and endangers our citizens," Anderson was quoted by KOMO News.
Last month, the NTSB issued a report saying Amtrak had a "deficient" safety culture.
"Amtrak's safety culture is failing and is primed to fail again, until and unless Amtrak changes the way it practices safety management," NTSB Chairman Robert Sumwalt said in a statement on Nov. 14.
On May 12, 2015, an Amtrak Northeast Regional train derailed in Philadelphia, killing at least seven people and injuring more than 200 passengers. A year later, NTSB concluded that a distracted engineer was to blame.
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