Union Pacific Signal Aspects and Indications Distant Block and Interlocking Signals Study Guide Complete 2025/ 2026

Union Pacific Signal Aspects & Indications _ Distant Block & Interlocking Signals Study Guide _ Complete
Union
2026-04-10
Review
Pacific Signal Aspects & Indications _ Distant Block & Interlocking Signals Study Guide _ Complete Review.pdf




Union Pacific Signal
Aspects & Indications |
Distant Block &
Interlocking Signals Study
Guide | Complete Review



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Page 1 of 16 Page 1

,Union Pacific - Distant, Block and Interlocking Signal Aspects and Indications 2026-04-10 Union Pacific - Distant, Block and Interlocking Signal Aspects and Indications.pdf




RULE:9.1.1


NAME: Distant Signal Clear


INDICATION:
Proceed.
If delayed as per Rule 9.9 or Rule 9.9.1 between this
signal and block or interlocking signal, proceed
prepared to stop before any part of train or
engine passes the next signal.


RULE:9.1.2


NAME: Distant Signal Approach


INDICATION:
Proceed prepared to stop before any part of train
or engine passes the next signal or switch point
indicator.


The maximum speed is 20 MPH+ within
interlocking limits or within the limits of the control
point for which Distant Signal Approach is
displayed by the distant signal.

2 Page 2 of 16 Page 2

, Union Pacific - Distant, Block and Interlocking Signal Aspects and Indications 2026-04-10 Union Pacific - Distant, Block and Interlocking Signal Aspects and Indications.pdf




RULE: 9.1.3


NAME: Distant Signal Approach Diverging


INDICATION:
Proceed prepared to advance on diverging route
at next signal at prescribed speed


RULE: 9.2.1


NAME: Clear


INDICATION:
Proceed.




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