2025/2026
CTC limits are designated in... - ANSWERSThe timetable
What are the two types of authority for a train in CTC territory? - ANSWERSSignal and verbal
3 types of verbal authority in CTC territory? - ANSWERS-Movement past a stop indication
-A train to enter track between block signals
-Track and time
Who would a crew need to contact to receive permission to operate the emergency release on
an electrically locked switch? - ANSWERSDispatcher or control operator
After a hand operated switch is opened, if the signal does not display a proceed indication, a
crew member must wait ____ minutes at the switch. If after the wait the signal does not display
proceed, what must be done? - ANSWERS10
Move at restricted speed and notify the control operator
When may a train pass an absolute signal displaying a Stop indication without waiting 10
minutes and without contacting control operator? - ANSWERSif the block to be entered is
occupied by its own standing train or when the hand operated switch remains open.
Before verbally authorizing a train to enter CTC between block signals and operate in a specified
direction: - ANSWERSConflicting movement
Signals governing access to stop
, Blocking mechanism
Authority (verbal)
Move train symbol
Where yard limits are in effect in CTC territory, who must authorize any movement on the main
track? - ANSWERSControl operator
Who must be notified when a seal has been broken or an emergency release operated on an
electric lock? - ANSWERSSignal technician
What is the normal position of a main track switch? - ANSWERSMain track movement
When can a switch be left lined for other than normal movement in CTC? - ANSWERS-Track and
time limits
-Attended by a crew member or switch tender
-During switching operations when it is certain no other train will pass over the switch
-For another train when he switch is attended by a member of that crew
Can a train make a move over a derail in derailing position? - ANSWERSNo
Except when in the non-derailing position to permit movement, power-operated derails shall be
placed ________________. - ANSWERSIn the derailing position
Under what 4 conditions can a train clear at a switch in CTC territory that is not equipped with
an electric switch lock? - ANSWERS1. Permanent maximum authorized speed does not exceed
20 MPH on the main track or controlled siding equipped with an intermediate signal.
2. Permanent maximum authorized speed does not exceed 30 MPH on a controlled siding not
equipped with an intermediate signal