Investigators are examining almost 3,000 circuits on Washington D.C.’s Metro as they try to discover any irregularities or breaks near where the trained crashed earlier this week that killed 9 passengers.
The National Transportation Safety Board has their inspectors focusing on a 740-foot-long circuit along the metro train tracks after finding inconsistencies on the circuits.
According to investigators close to the process it is critical to find out if the trains were operating in automatic or manual and by looking at these circuits will give them the needed feedback. This will assist them in a closer understanding of events that lead up to the fatal collision.
The focus on the rail’s circuits has now added to the evidence that the computerized controls may be to blame in the collision. Records show that the circuit had maintenance performed on it earlier this month as well as last year. Evidence suggest that the train that failed to stop was operating automatically. There has been no comment on the type of maintenance that had been done recently.
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