UNION PACIFIC -- RAILROADING
BASICS (GCOR)QUESTIONS &
ANSWERS 100% CORRECT!!
Main Track - ANSWERA track extending through yards and between stations that
must not be occupied without authority or protection.
Station - ANSWERA place designated by name in the timetable station column.
Single Track - ANSWERA main track where trains are operated in both directions.
Train - ANSWEROne or more engines coupled, with or without cars, displaying a
marker, and authorized to operate on a main track. A term that when used in
connection with speed restrictions, flag protection, and the observance of all signals
and signal rules also applies to engines.
Yard Limits - ANSWERA portion of *main track* designated by yard limit signs and
timetable special instructions or a track bulletin. Within Yard Limits, trains or engines
are authorized to use the main track not protecting against other trains or engines.
*You can have Yard Limits without a yard.* (Rule 6.13)
Yard - ANSWERA system of tracks, other than main tracks and sidings, used for
making up trains, storing cars, and other purposes.
Siding - ANSWERA track connected to the main track and used for meeting or
passing trains. Location of sidings are shown in the timetable.
Spur Track - ANSWERA track connected to another track at only one end, also
referred to as a stub track.
Track Bulletin - ANSWERA notice of conditions affecting train movement. It may also
authorize movement against the current of traffic where Rule 9.14
(Movement with the Current of Traffic) is in effect.
Track Warrant Control (TWC) - ANSWERA method to authorize train movements or
protect men or machines on a main track within specified limits in a territory
designated by the timetable.
Block - ANSWERA length of track:
-- Between consecutive block signals
-- Between a block signal and the end of block system limits
or
In ATC limits, the use of which is governed by cab signals and/or block signals.
Controlled Siding - ANSWERA siding within CTC or interlocking limits where a
*signal indication authorizes the siding's use*.
BASICS (GCOR)QUESTIONS &
ANSWERS 100% CORRECT!!
Main Track - ANSWERA track extending through yards and between stations that
must not be occupied without authority or protection.
Station - ANSWERA place designated by name in the timetable station column.
Single Track - ANSWERA main track where trains are operated in both directions.
Train - ANSWEROne or more engines coupled, with or without cars, displaying a
marker, and authorized to operate on a main track. A term that when used in
connection with speed restrictions, flag protection, and the observance of all signals
and signal rules also applies to engines.
Yard Limits - ANSWERA portion of *main track* designated by yard limit signs and
timetable special instructions or a track bulletin. Within Yard Limits, trains or engines
are authorized to use the main track not protecting against other trains or engines.
*You can have Yard Limits without a yard.* (Rule 6.13)
Yard - ANSWERA system of tracks, other than main tracks and sidings, used for
making up trains, storing cars, and other purposes.
Siding - ANSWERA track connected to the main track and used for meeting or
passing trains. Location of sidings are shown in the timetable.
Spur Track - ANSWERA track connected to another track at only one end, also
referred to as a stub track.
Track Bulletin - ANSWERA notice of conditions affecting train movement. It may also
authorize movement against the current of traffic where Rule 9.14
(Movement with the Current of Traffic) is in effect.
Track Warrant Control (TWC) - ANSWERA method to authorize train movements or
protect men or machines on a main track within specified limits in a territory
designated by the timetable.
Block - ANSWERA length of track:
-- Between consecutive block signals
-- Between a block signal and the end of block system limits
or
In ATC limits, the use of which is governed by cab signals and/or block signals.
Controlled Siding - ANSWERA siding within CTC or interlocking limits where a
*signal indication authorizes the siding's use*.
