BNSF Railway - SIGNAL ASPECTS AND INDICATIONS All signals are subject to modification indicated under individual subdivision special instructions.
DISTANT SIGNALS Aspects shown in Rules 9.1.3 through 9.1.8 may be displayed with a “D” sign on the signal mast to identify the signal as a distant signal. When a “D” sign is displayed, if train is delayed per Rule 9.9 or Rule 9.9.1 between a distant signal and the next signal, proceed prepared to stop short of the next signal. Absolute signals at automatic switches, outside of block system limits, convey main track distant signal information for the other end of the siding.
BLOCK AND INTERLOCKING SIGNALS
Aspects shown in Rules 9.1.3 through 9.1.8 and 9.1.13 may be displayed on signals with or without a number plate on signal mast.
Rule
Cab Signal Aspects
Aspects of Color Light and Semaphore Signals
DARK
9.1.3
DARK
DARK
CLEAR
DARK
DARK
9.1.4
9.1.5
DARK
DARK
9.1.6
9.1.7
DARK
DARK
DARK
LUNAR
Name
DARK
DARK
DARK
APPROACH LIMITED
Proceed prepared to pass next signal not exceeding 60 MPH and be prepared to enter diverging route at prescribed speed.
ADVANCE APPROACH
Proceed prepared to pass next signal not exceeding 50 MPH and be prepared to enter diverging route at prescribed speed.
APPROACH MEDIUM
Proceed prepared to pass next signal not exceeding 40 MPH and be prepared to enter diverging route at prescribed speed.
DARK DARK
DARK
DARK
DARK
9.1.9
DARK
DARK
9.1.10
9.1.11
DARK
9.1.12
Proceed.
APPROACH Proceed prepared to pass next signal at restricted speed. RESTRICTING
LUNAR
9.1.8
Indication
DARK
DARK
APPROACH
Proceed prepared to stop at next signal, trains exceeding 30 MPH immediately reduce to that speed. (Note: Speed is 40 MPH for Amtrak and Commuter trains.)
DIVERGING CLEAR
Proceed on diverging route not exceeding prescribed speed through turnout.
DIVERGING APPROACH DIVERGING
Proceed on diverging route not exceeding prescribed speed through turnout prepared to advance on diverging route at the next signal not exceeding prescribed speed through turnout.
DIVERGING APPROACH MEDIUM
Proceed on diverging route not exceeding prescribed speed through turnout prepared to pass next signal not exceeding 35 MPH.
DIVERGING APPROACH
Proceed on diverging route not exceeding prescribed speed through turnout; approach next signal preparing to stop, if exceeding 30 MPH immediately reduce to that speed. (Note: Speed is 40 MPH for Amtrak and Commuter trains.)
DARK
DARK
G
9.1.13
LUNAR
LUNAR
LUNAR
G
G
LUNAR
NUMBER PLATE
RESTRICTING Proceed at restricted speed.
DARK
DARK LUNAR
G
LUNAR
DARK
DARK DARK
LUNAR
DARK
DARK
9.1.14
STOP AND PROCEED
DARK
NUMBER PLATE
DARK
9.1.15
DARK
Stop, then proceed at restricted speed.
DARK DARK DARK
STOP
Stop.
SIGNAL ASPECTS AND INDICATIONS—April 7, 2010 SPECIAL ASPECTS WHICH ARE NOT PART OF AUTOMATIC BLOCK, CTC AND INTERLOCKING SYSTEMS Rule
Aspects
9.1.16
S
Name
Indication
TA K E SIDING I N D I C ATO R
When illuminated, hand operate switch to enter next siding or to leave siding and enter main track.
SLIDE FENCE I N D I C ATO R
When illuminated continuously or when not illuminated, slide fence has been activated; proceed at restricted speed.
SLIDE FENCE I N D I C ATO R
When flashing, slide fence has not been activated.
LUNAR
9.1.22
F
LUNAR
9.1.23
F GREEN
9.1.24
RESUME SPEED
F RED
9.1.25
H
End of slide fence restriction; resume speed.
H I G H WAT E R I N D I C AT O R
When red or not illuminated, high water may be present; proceed at restricted speed through detection limits identified by timetable.
H I G H WAT E R I N D I C AT O R
When green, no high water has been detected.
GREEN
9.1.26
H
General Signal Instructions In addition to Rule 9.1 of the General Code of Operating Rules, the following General Signal Instructions apply on BNSF Railway:
• •
Dwarf signals will display the same aspects and indications as high signals. The following symbols are used in diagrams of signal aspects:
To indicate a number plate. To indicate a flashing light. To indicate color light signal head. To indicate position of semaphore arm. G
Page 1 of 15. United States Court of Appeals. For the Eighth Circuit. No. 14-3858. Melvin A. Morriss, III. lllllllllllllllllllll Plaintiff - Appellant. v. BNSF Railway ...
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