Southeastern trains said it would be operating a Saturday timetable service on mainline, metro and high-speed routes on Tuesday, with a normal weekday service for Thameslink trains run via Blackfriars.

BBC: Traffic jam

Data recorders on board are expected to provide the speed of the Metro-North trains at the time of the crash and other information, he said.

WSJ: Probe into Conn. train crash giving way to cleanup

This slight, bespectacled Metro Man says the expansion, which includes a high-speed airport train to the city center, is all under control.

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Metro networks have phone gear like digital cross-connects, which manage high-and low-speed traffic, and synchronous optical network (Sonet) systems, which come from fiber-optic phone networks.

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