The information conveyed by the signal's aspect is called what?

The information conveyed by the signal's aspect is called what?

• A. Signal Aspect
• B. Signal Indication
• C. Signal Color
• D. Signal Plate

Answer: (B)

The message a railroad signal gives is the signal indication. The aspect is the visual display (colors, shapes, and positions) that a signal shows, but the information that this display conveys to the engineer—the instruction to go, proceed with caution, slow, or stop—is the indication. Colors and plates are parts of the display, but they describe the physical make-up rather than the message itself. So the term for what the signal’s aspect communicates is signal indication.

The message a railroad signal gives is the signal indication. The aspect is the visual display (colors, shapes, and positions) that a signal shows, but the information that this display conveys to the engineer—the instruction to go, proceed with caution, slow, or stop—is the indication. Colors and plates are parts of the display, but they describe the physical make-up rather than the message itself. So the term for what the signal’s aspect communicates is signal indication.