Interlocking Standard Home Signal Flashcards
Yellow, over Yelow, over Yellow
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.
Green over Green
Fixed Interlocking Standard Home Signal
Proceed at the allowable speed, on the main route, expecting the next signal to be clear.
Red, over Red, over Yellow
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.
Yellow over Green
Fixed Interlocking Standard Home Signal
Proceed with caution on the main route, be prepared to stop at the next signal.
Green over Yellow
Fixed Interlocking Standard Home Signal
Proceed at the allowable speed, expect next signal to be clear on the diverging route.
Yellow over Yellow
Fixed Interlocking Standard Home Signal
Proceed with caution on the diverging route, be prepared to stop at the next signal.
Red over Red
Fixed Interlocking Standard Home Signal
Stop and Stay
Yellow over Yellow over illuminated number over Yellow
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
Yellow over Illuminated ‘S’ over Yellow
Fixed Interlocking Standard Home Grade Time Signal
Approach at the predetermined, expecting the next signal to clear; then continue on the diverging route.
Yellow over Illuminated ‘S’ over Green
Fixed Interlocking Standard Home Grade Time Signal
Approach at predetermined speed, expecting the next signal to clear; then continue on the main route.
Yellow over Illuminated ‘D’ over Yellow
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.
Yellow over Illuminated ‘D’ over Green
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.
Red over Lunar White over Red
Fixed Interlocking Standard Home Grade Time Signal
Approach at the predetermined speed, expecting this signal to clear.
Red over Illuminated Number over Red
Fixed Interlocking Standard Home Station Time Signal
Approach at the predetermined speed indicated by the illuminated number, expecting this signal to clear
Green over Green over Illuminated Number
Fixed Interlocking Standard Home Signal
Proceed on the main route at indicated speed
Green over Yellow over Illuminated Number
Fixed Interlocking Standard Home Signal
Proceed on the diverging route at indicated speed
Red over Red X Plate
Fixed Interlocking Marker Signal
Absolute Stop and Stay, defines the limits of train movement.
Red X33 Plate or Red over Red X33 Plate
Fixed Interlocking Low Home (Dwarf) Signal
Stop and Stay
Yellow X55 Plate
Fixed Interlocking Low Home (Dwarf) Signal
Proceed with caution prepared to stop within 1/2 range of vision expecting to find the track occupied.
What should a T/O do after the stop upon encountering a Red (STOP) Home or Low Home Signal?
- 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.