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Absolute Block - CORRECT ANSWER-A block that may be occupied by only one train
at a time.
Absolute Signal - CORRECT ANSWER-A color light color positon light or semaphore
signal without a number plate a "P" marker, "APP" marker "C" marker or "G" marker that
conveys stop as its most restrictive indication.
Automated Railroad Crossing - CORRECT ANSWER-A railroad crossing at grade it is
protected by signals which are actuated automatically by the approach of a train.
Automatic Block Signal - CORRECT ANSWER-A block signal that is activated either by
track circuit or in conjunction with interlocking or controlled point circuit this block signal
automatically indicates track condition and block occupancy.
Automatic Block Signal, ABS - CORRECT ANSWER-A series of consecutive blocks
whose use is governed by train actauted block signals or by certain conditions affecting
the use of a block is called an ___________ __________ _________ system or (___).
Auxiliary track - CORRECT ANSWER-A track other than a main track.
Block - CORRECT ANSWER-A track section of defined limits in signaled territory a
block is the track section between two consecutive block signals geverning movements
in the smae direction it is also the track section from a block signal to the end of
signaled territory.
Block signal - CORRECT ANSWER-A fixed signal displayed to trains at the entrance of
a block to govern use of the block.
Bolt lock switch - CORRECT ANSWER-A hand operated switch equiped with a pripe-
connected locking device that is designated to shunt the signal system before the switch
points are operated.
Centralaized - CORRECT ANSWER-A __________train dispatching system (CTDS)is a
system by which train and on track equipment movements are governed by a controlled
signals and or instructions of a train dispatcher from a centrailized location.
Color light signal - CORRECT ANSWER-A fixed signal that displays aspects by the
color of light it may also display aspects by a combination of colored lights.
Color position - CORRECT ANSWER-A ________ ________ light signal is a fixed
signal that displays aspects by the color or position of two or more lights it consists of a
,cluster of colored lights normally displayed in pairs for some aspects an additional white
or yellow light is displayed above or below the cluster.
Control station - CORRECT ANSWER-A place from which signals and signal aplliances
are operated it is also a place from which instructions governing railroad movements are
issued.
Controlled point - CORRECT ANSWER-A station designated in the the timetable where
signals are remotely controlled from the control station.
Controlled siding - CORRECT ANSWER-A siding equipped with controlled signals such
signals authorize trains to enter or leave the siding only.
Controlled signal - CORRECT ANSWER-A fixed signal at the entrance of a route or
block it is used to govern the movement of trains using that route or block the signal is
operated from a control station.
Controlled Speed, TCOOS - CORRECT ANSWER-__________ ________ is a speed
that will permit within one- half the range of vision it will also permit stopping short of a
Train, Car, Obstuction, On track equipment, or Stop signal. Take Control Over Our
Speed or ________.
Controlled track - CORRECT ANSWER-________ ________ is a track upon which all
movements will be authorized by a train dispatcher.
Crossover - CORRECT ANSWER-A combination of two switches connecting two
adjacent tracks.
Tonnage, special, clearance, radio - CORRECT ANSWER-CSX train documentation is
a computer generated form consisting of some or all of the following: _________ graph,
restricted and _________ handling, CT-168 report, _________ bureau instructions, train
listing and hazardous endorsement, hazardous special handling instructions, hazardous
material, ________ waybill form.
Current, traffic - CORRECT ANSWER-________ of ________ is the movement of trains
on a main track in one direction as a specified in the rules or special instructions.
DCS track warrant - CORRECT ANSWER-Track warrant where the specified limits are
designated by form EC-1 authority.
bulletin - CORRECT ANSWER-A Dispatcher __________ is a computer generated form
issued by the train dispatcher it contains current operating instructions applying to the
train addressed it also contains information as to the latest systems and general
bulletins issued.
,dispatcher message - CORRECT ANSWER-Instructions and mandatory directives
issued by the train dispatcher in a the prescribed form when applicable it governs the
operaions of trains and is part of a dispatcher bulletin.
DTC block - CORRECT ANSWER-A block whose use is governed by verbal authority of
the train dispatcher.
DTC block form - CORRECT ANSWER-The prescribed from used when obtaining a
DTC track warrant.
DTC block system - CORRECT ANSWER-A direct traffic control block or a series of
consecutive DTC blocks.
DTC track warrant - CORRECT ANSWER-Track warrant where the specified limits are
designated by block authority.
Dual control - CORRECT ANSWER-A _____ ______ switch is a power operated switch
also equipped for hand operation.
EC-1 - CORRECT ANSWER-A form used to record specific instructions regarding
movements on controlled tracks.
EC-1 - CORRECT ANSWER-The prescribed form used when obtaining a DCS track
warrant.
Electric Locked - CORRECT ANSWER-An _______ ________ switch is a hand
operated switch with an electric locking device applied.
Emergency - CORRECT ANSWER-___________ inspection or repairs is any
unforeseen circumstances (such as a derailment) has caused an inspection or a repair
to be made to ensure the safe movements of trains.
Engine - CORRECT ANSWER-A locomotive unit propelled by any form of energy it is
also a combination of such units operated from a single control.
Excepted Track - CORRECT ANSWER-A segment of track identified in special
instructions with no more than 10 MPH, no revenue passenger service, no more than
five hazardous material placrded cars is called _________ _________.
Exclusive, move - CORRECT ANSWER-The authority a train has to occupy a track
which does not include other movement within the same limit is called ___________
authority to ______.
Fixed Signal - CORRECT ANSWER-A permanent signal or sign indicationg a condition
affecting train movement.
, General Notice - CORRECT ANSWER-A computer writtne or electronically transmitted
notice of information and instructions not affecting the movement of trains issued by a
division.
HEAD of train device - CORRECT ANSWER-A device on an engine that recives
information from and transmits infromation to an end of train device. HTD
Home Signal - CORRECT ANSWER-A fixed signal capable of displaying a stop
indication governing the entrance to a route block or interlocking.
Improper signal aspect - CORRECT ANSWER-A signal aspect that permits a train to
proceed when the condition of the block does not justify such an aspect.
Interlocking - CORRECT ANSWER-An arrangement of interconnected signals and
signal appliances for which interlocking rules are in effect. signals and movements of
signal appliances must suceed each other in proper sequence.
Interlocking Signals - CORRECT ANSWER-Fixed signals of an interlocking.
Intermediate Signal - CORRECT ANSWER-A block signal equipped with either a
number plus "G" marker or a "P" marker it conveys procedd at a restricted speed as its
most restictive indication.
Intermodal train - CORRECT ANSWER-A freight train consisting entirely of equipment
designed to carry travelers , containers motor vehicles and or auto frames.
Limited speed - CORRECT ANSWER-A speed not exceeding 45 MPH.
Locomotive service track area - CORRECT ANSWER-One or more tracks within an
area in which the testing, servicing repair inspection or rebuilding of locomotives is
under the exclusive control Mechanical department personnel protected by blue signals
and derails ..speed is 5 MPH.
Main track - CORRECT ANSWER-A track extending through yards between stations it
is other than an auxiliary track.
Mandatory directive - CORRECT ANSWER-An instruction required to be recoreded in
writing such as a DTC block authority 707 authority 704 authority or dispatcher
message.
Maximum authorized speed - CORRECT ANSWER-The highest speed permitted for
any train on a subdivision or portion of a subdivision it will be listed under "maximum
authorized speed" in special Instructions.
Medium Speed - CORRECT ANSWER-A speed not exceeding 30 MPH.