The only witnesses known before today were the truck driver and the Amtrak engineer.

The Amtrak engineer was killed and nearly 100 passengers were injured.

Six bridges in Connecticut are overdue for overhauls, according to Amtrak engineers.

But he said he did not know if any other Amtrak engineers fit this category.

The collision killed 15 people, including the Amtrak engineer, and injured 178.

He said the train crew radioed a warning to the Amtrak engineer on board but the engineer responded that he couldn't hear the information.

Pasco is also a change point for Amtrak engineers on the Empire Builder.

This might have given the Amtrak engineer sufficient time to stop his train or at least reduce speed in an effort to minimize the severity of the accident.

A test also found no evidence of alcohol use by the Amtrak engineer, who was killed in the accident, Mr. Riley said.

The Amtrak engineer, lounge car LSA (lead service attendant) and 14 passengers were killed.