Interlocking Standard Home Signal

Question 1

Yellow, over Yelow, over Yellow

Answer 1

Fixed Interlocking Standard Home Signal (Yard Indication)

Proceed with caution, be prepared to stop within 1/2 range of vision expecting to find the track occupied.

Question 2

Green over Green

Answer 2

Fixed Interlocking Standard Home Signal

Proceed at the allowable speed, on the main route, expecting the next signal to be clear.

Question 3

Red, over Red, over Yellow

Answer 3

Fixed Interlocking Standard Home Signal (Call-on)

STOP!

Operate the automatic stop arm manual release lever or button. Observe the stop arm goes down and stays down.

Then proceed with RSEC, be prepared to stop within 1/2 range of vision, expecting to find the track occupied, a broken rail or other obstruction in the block.

Question 4

Yellow over Green

Answer 4

Fixed Interlocking Standard Home Signal

Proceed with caution on the main route, be prepared to stop at the next signal.

Question 5

Green over Yellow

Answer 5

Fixed Interlocking Standard Home Signal

Proceed at the allowable speed, expect next signal to be clear on the diverging route.

Question 6

Yellow over Yellow

Answer 6

Fixed Interlocking Standard Home Signal

Proceed with caution on the diverging route, be prepared to stop at the next signal.

Question 7

Red over Red

Answer 7

Fixed Interlocking Standard Home Signal

Stop and Stay

Question 8

Yellow over Yellow over illuminated number over Yellow

Answer 8

Fixed Interlocking Standard Home Signal (Track Destination)

Proceed with caution, be prepared to stop within 1/2 range of vision expecting to find the track occupied on the track indicated by the illuminated number

Question 9

Yellow over Illuminated ‘S’ over Yellow

Answer 9

Fixed Interlocking Standard Home Grade Time Signal

Approach at the predetermined, expecting the next signal to clear; then continue on the diverging route.

Question 10

Yellow over Illuminated ‘S’ over Green

Answer 10

Fixed Interlocking Standard Home Grade Time Signal

Approach at predetermined speed, expecting the next signal to clear; then continue on the main route.

Question 11

Yellow over Illuminated ‘D’ over Yellow

Answer 11

Fixed Interlocking Standard Home Grade Time Signal

Approach at the predetermined speed, expecting the next signal to clear for a diverging route; then continue on the diverging route.

Question 12

Yellow over Illuminated ‘D’ over Green

Answer 12

Fixed Interlocking Standard Home Grade Time Signal

Approach at the predetermined speed, expecting the next signal to clear for a diverging route; then continue on the main route.

Question 13

Red over Lunar White over Red

Answer 13

Fixed Interlocking Standard Home Grade Time Signal

Approach at the predetermined speed, expecting this signal to clear.

Question 14

Red over Illuminated Number over Red

Answer 14

Fixed Interlocking Standard Home Station Time Signal

Approach at the predetermined speed indicated by the illuminated number, expecting this signal to clear

Question 15

Green over Green over Illuminated Number

Answer 15

Fixed Interlocking Standard Home Signal

Proceed on the main route at indicated speed

Question 16

Green over Yellow over Illuminated Number

Answer 16

Fixed Interlocking Standard Home Signal

Proceed on the diverging route at indicated speed

Question 17

Red over Red X Plate

Answer 17

Fixed Interlocking Marker Signal

Absolute Stop and Stay, defines the limits of train movement.

Question 18

Red X33 Plate or Red over Red X33 Plate

Answer 18

Fixed Interlocking Low Home (Dwarf) Signal

Stop and Stay

Question 19

Yellow X55 Plate

Answer 19

Fixed Interlocking Low Home (Dwarf) Signal

Proceed with caution prepared to stop within 1/2 range of vision expecting to find the track occupied.

Question 20

What should a T/O do after the stop upon encountering a Red (STOP) Home or Low Home Signal?

Answer 20

• Use a Route Request Button or Telephone, located on or near the Signal or radio to local Tower.
• If no route request button/phone, and signal remains at danger, T/O must notify RCC immediately via radio.
• If no acknowledgement, utilize emergency telephone near blue light location, token booth or public telephone to call RCC.

If T/O receives a proper signal to proceed (hand, light or flag), he must NOT move unless they are certain the person giving the signal is a qualified employee of RTO or Signals, and knows the proceed signal is meant for them, and the automatic stop arm is in the clear position, and observes that all switches are properly set for their route.

Then proceed RSEC to next signal.