TRACKS Flashcards
CONTROLLED SIDING
A designated track, the entrance and exit of which are governed by home signals.
CURRENT OF TRAFFIC
The movement of trains on a main track in one direction, as specified by special instruction.
INDUSTRY TRACK
A track, or series of tracks, serving the needs of a commercial industry other than a railroad.
MAIN TRACK
A designated track upon which trains are operated by timetable, Form L or both or the use of which is governed by block signals.
SECONDARY TRACK
A designated track upon which trains may be operated without timetable or Form L authority, or block signals subject to the prescribed signals, rules and special instructions.
SIDING
A designated track adjacent to a main track for the meeting or passing of trains.
SINGLE TRACK
A main track upon which trains are operated in both directions.
TWO OR MORE TRACKS
Two or more main tracks upon which trains are operated as designated in the special instructions.
YARD
A system of tracks, other than main tracks, secondary tracks or sidings, used for making up trains, storing cars and other purposes. All movements are subject to prescribed signals, rules and special instructions.
YARD LIMITS
A portion of single main track between yard limit boards, as specified by special instructions.