Federal investigators say a New Jersey Transit train that crashed into Hoboken’s terminal was going twice the speed limit at the moment of impact. They also say the train’s engineer hit the emergency brake less than a second before the crash.

The National Transportation Safety Board revealed the details Thursday. They were gleaned from data recorders aboard the train.

The speed limit for the station area is 10 mph.

The NTSB says the train was traveling at 8 mph and sped up for about 30 seconds before hitting 21 mph.

A final report on what caused last week’s crash, which killed one person and injured more than 100, could take a year or longer to complete.

(AP)