Quiz - Part 2 – Defenitions UPDATED
ACTUAL Exam Questions and CORRECT
Answers
Advance Signal - CORRECT ANSWER - A fixed signal used in connection with one or
more signals to govern the approach of a movement to such signal.
Advanced Train Dispatching System - CORRECT ANSWER - Train control technologies
that provide enhancements for protecting overlapping authorities with ability to provide signal
indications into protected track.
Automatic Block Signal System (ABS) - CORRECT ANSWER - A series of consecutive
blocks in which ABS rules apply.
Block - CORRECT ANSWER - A length of track of defined limits, the use of which by a
movement is governed by block signals.
Block Signal - CORRECT ANSWER - A fixed signal at the entrance to a block to govern a
movement entering or using that block.
Cautionary Limits - CORRECT ANSWER - That portion of the main track or main tracks
within limits defined by cautionary limit sign(s).
Centralized Traffic Control System (CTC) - CORRECT ANSWER - A system in which
CTC rules apply.
Controlled Block - CORRECT ANSWER - A block in CTC between consecutive
controlled locations or points.