Audible Signals

Question 1

Long

Answer 1

Stop

Question 2

Long, Long

Answer 2

Sounded when passing caution lights or flags to warn personnel of the approach of a train.

Question 3

Short, Short

Answer 3

An answer to any signal

Question 4

Short, Short, Short

Answer 4

Road Car Inspector to respond to the train

Question 5

Long, Short

Answer 5

Signal Maintainer to respond to train

Question 6

Long Short, Long Short

Answer 6

Train crew needs assistance (Police)

Question 7

Short, Short, Short, Short

Answer 7

Train request to Tower Operator or Handswitcher for route or signal

Question 8

Succession of short sounds

Answer 8

A warning to persons on or near the trackway or when a train is operating against the normal direction of traffic, when a train is making an irregular move or bypassing stations when entering or leaving.

Question 9

Short, Short, Short, Short, Short

Train Buzzer

Answer 9

Signal for C/R to come to T/O cab

Question 10

Long

Tower Horn/Whistle

Answer 10

All trains within the interlocking limits must come to an immediate stop.

Question 11

Short, Short

Tower Horn/Whistle

Answer 11

Trains within the interlocking limits may proceed after observing that the trackway is clear, and that switches and signals are properly set for the move.