WASHINGTON (AP) - The Latest on the National Transportation Safety Board’s investigation on the causes of train crashes in Brooklyn and Hoboken (all times local):

1:30 p.m.

Federal investigators say a lack of adequate testing for sleep apnea was the primary cause of recent train accidents in New York and New Jersey that killed one person, injured more than 200 and caused more than $11 million in damage.

The National Transportation Safety Board released a report Tuesday on accidents at Hoboken in September 2016 and in Brooklyn in January 2017.

In both crashes the train’s engineers were found to have undiagnosed sleep apnea and couldn’t remember their trains accelerating before the crashes.

The NTSB found New Jersey Transit didn’t follow its sleep apnea testing guidelines and the Long Island Rail Road didn’t require testing. It also faulted the federal Department of Transportation for not making testing mandatory.

The LIRR has implemented testing since the accident.

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11:30 a.m.

Federal investigators are blaming a lack of testing for sleep apnea for recent train accidents in New York and New Jersey that killed one person and injured more than 200.

The National Transportation Safety Board released a report Tuesday on accidents at Hoboken in September 2016 and in Brooklyn in January 2017.

In both crashes the train’s engineers were found to have undiagnosed sleep apnea and couldn’t remember their trains accelerating before the crashes.

The NTSB blamed New Jersey Transit for not following its sleep apnea guidelines and blamed the Long Island Rail Road for not having testing in place before the accidents. It also blamed the Federal Railroad Administration for not making sleep apnea testing mandatory.

Last year the Railroad Administration abandoned plans to require the testing as part of President Donald Trump’s effort to reduce federal regulations.

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This story has been corrected to show that NJ Transit had sleep apnea testing. An earlier version said it didn’t.

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9:15 a.m.

Federal investigators are meeting in Washington to discuss the causes of two train crashes in the New York City region.

The National Transportation Safety Board is meeting Tuesday and plans to release the probable causes of the September 2016 crash of a New Jersey Transit train at Hoboken Terminal and the January 2017 crash of a Long Island Rail Road train in Brooklyn.

Both accidents caused more than 100 injuries, and the Hoboken crash killed a woman standing on the platform.

Both trains were traveling well above the speed limit as they approached the stations and slammed into bumping posts at the terminals.

In both cases, the train engineers were found to have undiagnosed sleep apnea and had no memory of the accident.

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