Signal Indications

Question 0

Clear

Answer 0

Proceed

Question 1

Clear-block

Answer 1

Proceed; manual block clear

Question 2

Absolute-clear

Answer 2

Proceed; track cleared to next interlocking signal. Approach next interlocking signal prepared to stop.

Question 3

Approach limited

Answer 3

Proceed approaching the next signal at Limited speed.

Question 4

Limited clear

Answer 4

Proceed at Limited speed until entire train clears all interlocking or spring switches.

Question 5

Approach-medium

Answer 5

Proceed approaching next signal at medium speed.

Question 6

Advanced approach

Answer 6

Proceed prepared to stop at the second signal. Trains exceeding limited speed must begin reduction to limited speed as soon as engine passes the advance approached signal.

Question 7

Medium-clear

Answer 7

Proceed; medium speed with an interlocking limits.

Question 8

Absolute-medium-clear

Answer 8

Proceed; medium speed within interlocking limits. Track cleared to next interlocking signal. Approaching next interlocking signal prepared to stop.

Question 9

Approach-slow

Answer 9

Proceed approaching next signal at slow speed. Train exceeding medium speed must at once reduce to that speed.

Question 10

Approach

Answer 10

Proceed approaching next signal prepared to stop. Train exceeding medium speed must at once reduce to that speed.

Question 11

Caution

Answer 11

Train exceeding medium speed must at once reduce that speed. Where a switch is connected with the signal, approach that switch prepared to stop. Approach next signal prepared to stop.

Question 12

Medium approach

Answer 12

Proceed prepared to stop at the next signal. Trains exceeding medium speed must begin reduction to medium speed as soon as the medium approach signal is clearly visible.

Question 13

Slow-clear

Answer 13

Proceed; slow speed with an interlocking limits.

Question 14

Absolute slow-clear

Answer 14

Proceed; slow speed with an interlocking limits. Track cleared to next interlocking signal. Approaching next interlocking signal prepared to stop.

Question 15

Slow-approach

Answer 15

Proceed approaching next signal prepared to stop. Slow speed with an interlocking limits.

Question 16

Flashing slow-approach

Answer 16

Train will proceed in accordance with signal indication within interlocking limits and after clearing the interlocking, proceed under absolute clear indication to the next interlocking.

Question 17

Restricting

Answer 17

Proceed at restricted speed

Question 18

Restricting ( Zone A )

Answer 18

Proceed at restricted speed until the entire train has passed a signal displaying a more favorable aspect or entered non-signaled DCS territory.

Question 19

Stop-and-proceed

Answer 19

Stop; then proceed at restricted speed

Question 20

Stop-signal

Answer 20

Stop

Question 21

Block-limit

Answer 21

Limit of the block

Question 22

Approach block-limit

Answer 22

Proceed approaching next block-limit signal prepared to stop. Train exceeding medium speed must at once reduce to that speed.

Question 23

Train-order

Answer 23

Order

Question 24

Caution indicator

Answer 24

Facing point switch(es) open. Trains exceeding slow speed must at once reduce to that speed approaching switch or switches prepared to stop.

Question 25

Clear indicator

Answer 25

Facing point switch(es) closed.

Question 26

Yard switch indicator

Answer 26

WHITE; Switch normal proceed at restricted speed

YELLOW; Switch reverse, proceed at restricted speed

RED; Switch not normal or reverse, route must be verified. The conductor or engineer must examine the switch points to verify that the points fit the real properly before movement may be made over switch at restricted speed.

Question 27

Stop board

Answer 27

Stop, then be governed by timetable special instructions.

Question 28

End of block

Answer 28

Train must operate in accordance with rule 153

Question 29

Yard limit board

Answer 29

Main track yard limits.

Question 30

Main track switch target (red)

Answer 30

Switch lined for diverging route

Question 31

Main tracks which target (white)

Answer 31

Switch lined normal for main track.

Question 32

Begin ASC

Answer 32

Automatic speed control begins.

Question 33

ASC cut out

Answer 33

Entering cut out loop.

Question 34

Standard whistle Post

Answer 34

Approaching crossings at grade for which rule 14L must be sounded.

Question 35

Roadway workers portable whistle Post

Answer 35

When roadway work is being performed in multiple track portions of the railroad, a white banner below the W on the yellow background shall be used to indicate the track occupied by the roadway workers for which rule 14 L must be sounded as a warning

Question 36

Quiet zone indicator

Answer 36

Approaching crossing at grade for which Rule 14L Will not be sounded except as specified by special instruction

Question 37

Spring switch marker

Answer 37

Spring switch

Question 38

Approach/distant signal marker

Answer 38

Visual reminder to engineers of trains that rules 28B and 33B apply between the distant signal and the home signal

Question 39

Delay and block signal

Answer 39

Visual reminder to engineers of trains that rules 28B and 33B apply when a station stop is made at this station.

Question 40

Permanent speed restriction sign

Answer 40

Reduce speed as prescribed by timetable

Question 41

Clearance Point sign

Answer 41

The location at which equipment must clear to access a track(s) for facing point moves in the opposite direction