High Quality Content by WIKIPEDIA articles! Dark territory is a term used in the North American railroad industry to describe a section of track not controlled by signals. Train movements in dark territory are controlled by track warrants or train order operation, with train dispatchers issuing orders by radio communication with train engineers. The Long Island Rail Road, the nations busiest commuter railroad, still operates two sections of track in dark territory. The Montauk Branch between Speonk station and Montauk as well as the Main Line between Ronkonkoma and Greenport operate without any signalling or Automatic Train Control System. Train crews must receive permission from the Block Operator to traverse those sections of the railroad in the form of train orders in addition to strictly adhering to the rules and special instructions of the railroad's timetable.

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