Main track on which the current of traffic is in the opposite direction.
Wye
A track with three switches and three legs forming a large triangle which enables an entire train to turn around.
Main track on which travel is permitted only by schedule or orders; so-called because the rail used on this track is generally heavier than that used for sidings or yards.
Highball ...
Main track (M.T.). A track extending through yards and between stations upon which trains are operated by timetable or train order or both, or the use of which is governed by block signals.
Main Track
A designated track upon which trains are operated by timetable, train order, or both, or the use of which is governed by block signals.
Make A Joint ...
A Main Track is a track that must not be occupied without a permission to do so. Other tracks are Secondary Tracks. A Track used for meeting or passing (overtaking) trains is called a Siding. Sidings can be Main or Secondary tracks.
On main track under which block signal system rules are in effect, restricted speed will apply whenever permission is given to pass a stop signal, or when a signal indicating restricting, restricted proceed or stop and proceed is encountered.
LADDER"Main track of yard from which individual tracks lead off. Also called a lead. (See yard)
LAPLANDER"Passenger jostled into someone else's lap in crowded car
LAST CALL, LAST TERMINAL, etc"Death ...
Main line, or Main track
The principal running track of a railroad, as contrasted with sidings, spurs, and yard tracks.
Maintenance of way ...
Side Track A track auxiliary to the main track. Siding A track auxiliary to the main track for meeting or passing trains. The timetable will indicate stations at which sidings are located.
IND INDependent City Subway - subdivision B-2 of the New York City Transit Authority (NYCTA) subway Initial Station The first station on each subdivision from which a train is authorized to occupy the main track.
govern movements over a series of consecutive blocks and are actuated by a train or engine or by other conditions affecting the use of the block, such as a broken rail, switch not properly lined, car standing on a turnout foul of a main track or ...
A passing loop is therefore parallel to the main track, and not really a loop at all. I'm not sure whether the term also includes additional sections of parallel tracks at stations, allowing non-stopping trains to pass trains stopped at the station.
Main Line - (also Main Iron, Main Stem, Main Track, etc.) - Through trackage; restricted by rules to travel only by scheduled trains or those trains with train orders or on a schedule.
Track warrant (TWC)(US) Occupancy Control System (OCS)(CA): A system for authorizing main track occupancy using defined points such as mileposts, switches, or stations.[54] ...
siding — the prototype railroads consider a siding to be a track auxiliary to the main track where trains can meet or pass. A siding may be either single ended with a turnout at one end only, or double ended with turnouts at both ends.
Train numbers are used to designate scheduled trains (those who's authority to occupy the main track between stations is listed in the Division Employees Timetable).
They conduct power to both the main track and the diverging (branching) track at all times.
But the advantage is that in a yard the main track can be used without flag protection against all but first class trains.
A short piece of track electrically separated from the main trackage. It is used to program any CV, including the decoderĀ's address. CVs may also be read back to the cab from a decoder on the programming track.
Prototype ...
A track other than a main track.
Average Demurrage Agreement (AKA Average Agreement) ...
A track extending out from the main track that usually serves customers
Stack Car ...
The rails are specially shaped to allow a smooth transition from the main track to the diverging track. Also often referred to as a turnout.
Current of Traffic The movement of trains on a main track, in one direction, specified by the rules. CWR (Continuous Welded Rail) The running rails are welded together to form a continuous rail resulting in a smoother and quieter ride.
 See also: Engine, Track, Switch, Point, Train
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