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43 terms

bnsf - Vocabulary

things to know verbatim
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restricted speed
when required to move at restricted speed, all movements must be made at a speed which allows for stopping half of the range of vision, short of: Trains, Engines, Railroad cars, men or equipment fouling the track, stop signal, or derail or switch lined improperly. When movement is made at restricted speed, the crew must keep a lookout for broken rail and not exceed 20 MPH.
absolute block
a length of track that no train is permitted to enter while the track is occupied by another train.
Absolute signal
A block or interlocking signal without a number plate, or designated by an "A" marker.
Block
a length of track:
between consecutive block signals
between a block signal and the end of a block system limits
or
In ATC limits the use of which is governed by cab signals and/or block signals
Automatic Block Signal System (ABS)
A series of consecutive blocks governed by block signals, cab signals, or both. The signals are activated by a train or by certain conditions that affect the block use.
A
Automatic Interlocking
B
General Orders, notices, and circulars
C
Radio Communication
J
Junction
M
Manual Interlocking
P
Telephone
R
Restricted Limits
S
Railroad crossing protected by permanent stop sign
T
Turning facility
U
Railroad crossing not protected by permanent stop sign
X
crossover
X(s)
multiple crossovers
Y
Yard Limits
CONDR
Conductor
ENG
Engineer
DISPR
Dispatcher
OK
Correct
JCT
Junction
DIV
Division
SUB
Subdivision
SUBDIV
SubDivision
MW
Maintenance of Way
JUN
June
JUL
July
AUG
August
SEP
September
JAN
January
FEB
February
MAR
March
APR
April
MAY
May
Yard
A system of tracks, other than main tracks and sidings used for making up trains, storing cars and other purposes.
Yard Limits
A portion of main track designated by yard limit signs and timetable special instructions or a track bulletin.
Train
On or more engines coupled, with or without cars, displaying a marker and authorized to operate on a main track.
Engine
A unit propelled by any form of energy or more than one of these units operated from a single control. Engines are used in train or yard service. Rules that apply to engines also apply to cab control cars.
Interlocking Limits
The tracks between outer opposing absolute signals of an interlocking.
Dual Control Switch
A power-operated switch, moveable point frog, or derail that can also be operated by hand.
Main track
A track extending through yards and stations which must not be occupied without authorization or protection.