bnsf - Vocabulary

43 terms by beccarsi 

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things to know verbatim

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

AUG

August

SEP

September

JAN

January

FEB

February

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.

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