ANSWERS: ALREADY RATED A+.
Absolute Block
A block that may be occupied by only one train at a time.
Absolute Signal
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
A railroad crossing at grade it is protected by signals which are actuated automatically by the approach
of a train.
Automatic Block Signal
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
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
A track other than a main track.
Block
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
A fixed signal displayed to trains at the entrance of a block to govern use of the block.
Bolt lock switch
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
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
A fixed signal that displays aspects by the color of light it may also display aspects by a combination of
colored lights.
Color position
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
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
A station designated in the the timetable where signals are remotely controlled from the control station.
Controlled siding
A siding equipped with controlled signals such signals authorize trains to enter or leave the siding only.
Controlled signal
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
__________ ________ 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
________ ________ is a track upon which all movements will be authorized by a train dispatcher.
Crossover
A combination of two switches connecting two adjacent tracks.
Tonnage, special, clearance, radio
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
________ of ________ is the movement of trains on a main track in one direction as a specified in the
rules or special instructions.