NTSB: Looking at 'Anomalies' in DC Track Circuit

Investigators say they're looking at a track circuit in the area where Monday's fatal Metro trans...  More »

Investigators say they're looking at a track circuit in the area where Monday's fatal Metro transit train crash occurred. The NTSB says five of six circuits showed no problems during tests, but there were 'anomalies' with the sixth circuit. (June 24)  « Less