WASHINGTON (AP) ó Commuter rail tracks in the nation's capital are studded with devices that detect passing trains and tell them when to stop or slow down. But those devices on the stretch of track ...

The train control system designed to prevent Metro crashes is malfunctioning across the railroad, suggesting that a technological failure at the heart of last month's fatal crash might be widespread, ...

In advanced rail traffic operations with train speeds of over 160km/h, uninterrupted train control and protection functions are critically necessary. In addition to visual signalling techniques, the ...