Track Warrant Control Practice Test

These questions are part of the practice quiz. Start practicing

• What should be done after an emergency return to normal occupancy following an unexpected stop?
• How does a track warrant differ from a token or block system?
• How is a track warrant activated or made effective for a train crew?
• When releasing authority verbally, the train dispatcher must:
• What is the role of read-back in ensuring warrant accuracy?
• Track warrants that restrict authority must not be transmitted mechanically, unless ______.
• When is a track warrant considered to be in effect?
• In what way do Track Warrant Control practices enhance overall railway safety?
• What speed applies to yard movements when there are yard limits with no signals, unless a block signal is more favorable?
• What must a crew do before initiating movement on a main track when they receive a mechanically issued track warrant?
• What is the exception to the requirement to obtain a Track Warrant for Bulletins?
• In non-signaled or double-track territory, a train may report clear of the limits after passing a location only when which condition is known?
• In Track Warrant Control, which statement best describes the boundary of responsibility between the dispatcher and the train crew?
• What role do crew members play in maintaining TWC safety?
• Which of the following could constitute a 'special instruction' in a track warrant?
• If a train is authorized to work in one direction and leaves the main track before reaching the last named point, what must be done?
• What information does the dispatcher typically verify when issuing a new warrant?
• Which box provides either MW or non-directional (work between) track warrant authority to occupy the main track?
• When is a track warrant in effect?
• What is the difference between a Track Warrant to Occupy and a Track Warrant Authority to Proceed?
• When issuing a new warrant for a moving train, what elements are typically included?
• Who issues a track warrant and coordinates occupancy on the railroad?
• Track restriction issuance format
• When using railroad identifiable points that include a direction, such as a siding switch, what must be stated?
• What constitutes a complete track warrant record?
• When a station name designates the last named point on a track warrant, how far does the authority extend?
• Which box holds the main track authority at a station with a siding?
• What action should be taken if a track warrant expires before the movement is completed?
• Which format correctly conveys a track restriction directly to a train?
• When verbally transmitting a mandatory directive, what information does the train dispatcher receive?
• How are changes to maintenance work within a warrant area handled?
• What mph must trains in sidings not listed on the track warrant not exceed?
• What should a crew do when they observe a track obstruction or defective signal within their warrant?
• When issuing verbal or written authorities, the time used must be the CAD screen display, not other references. Which option correctly identifies the required time source?
• Mandatory directives are composed of authorities and speed restrictions. Which of the following is an example of an authority?
• Who confirms track status before issuing a moving train warrant?
• What does a Track Warrant to Occupy mean?
• Train dispatchers must exercise caution to prevent employees from misinterpreting discussions about work as authority granted.
• When reporting clear of limits in non-signaled territory, advise the train dispatcher which item must be satisfied?
• Under what circumstance may crews change the engine number or train symbol on track warrants without communicating with the dispatcher?
• Who must acknowledge the track warrant to indicate understanding and compliance?
• When an employee requests a track warrant, what information must they inform the dispatcher?
• Duplicated track warrants must be checked and verified before use as which of the following?
• When transmitting a mandatory directive, how must numbers be stated? What numbers are not required to be stated this way?
• If a track warrant that restricts movement lacks an acknowledgement of the OK, what is its status?
• Who issues a new or extended warrant when the current warrant expires or continued movement is required?
• Green? Blue? Yellow? Which option represents signals in the given choices?
• How should adverse weather or one-off events be handled within Track Warrant Control?
• What is the typical sequence for issuing a new warrant for a moving train?
• When must a track warrant be extended, renewed, or replaced?
• T/F Do not add, change, or delete any information contained within the body of the track warrant during the verbal issuance of the track warrant.
• If a crew loses communications and cannot reach the dispatcher, what should they do?
• When issuing a verbal or written authority, when must the train dispatcher advise the employee of any conditions or restrictions?
• When is the only time a dispatcher can use a box 12?
• Track warrants are used to prevent what risk?
• When releasing a verbal authority, the repeat must include at a minimum which pieces of information?
• When protecting an unforeseen restriction, what should the dispatcher create?
• An employee who verbally receives instructions or information about a train or engine movements must ______________________.
• In Non-Signaled TWC yard limits with no signals, what speed must the train proceed?
• What is the purpose of Track Warrant Control in railway operations?
• A track warrant is in effect until which statement is true?
• During a track warrant roll-up, which statements must be reported?
• A train standing on the main track to meet an opposing train in ABS must not line the switch until which event occurs?
• What is the consequence of violating a Track Warrant?
• What is the typical format of a track warrant in a dispatcher's communication?
• How is occupancy verified in Track Warrant Control?
• If unable to obtain authority and it is necessary to foul or occupy a main track, what protection is required?
• Which elements define the time window of a track warrant?
• The train dispatcher's repeat of release must include which three items?
• Which party must directly observe the screen when transmitting or accepting release of authorities in CAD?
• What do the start and end mileposts define in a track warrant?
• If a crew receives a track warrant but cannot comply with its limits, what action should be taken?
• Which practice contributes to an auditable record of authority and compliance?
• What is the primary purpose of Track Warrant Control (TWC) in railroad operations?
• Which action is required when reporting clear of a track warrant limits?
• What is a 'territory' in Track Warrant Control terms?
• Which box grants either MW or a train non-directional (work between) track warrant authority to occupy the main track?
• Mandatory directives are
• What action is required to change an issued track warrant?
• Who issues track warrants?
• When issuing verbal or written authorities, the dispatcher must use only the time OKd on which display?
• Which of the following lists all five items that a train dispatcher can verbally change on a track warrant for bulletins?
• What is the purpose of limiting the time window of a track warrant?
• Which statement best describes the requirement for observing the screen when releasing authorities in CAD?
• What safety checks should the train crew conduct before entering a new warrant segment?
• What gives a train authority to occupy the main track?
• Box 12 is used for what primary purpose?
• What is involved in recovering from a failed read-back or incorrect acknowledgment?
• What is the rationale for requiring explicit acknowledgement of warrants?
• What action should be taken when conflicting movements exist with an issued warrant?
• May employee's relay track warrants?
• If a duplicating machine is used to reproduce a track warrant, what action is not required?
• When using a milepost location, what must be included in the dispatcher's communication?
• Which element is essential for the validity of a track warrant?
• How are speed restrictions typically communicated in a track warrant?
• When a train or employee holds joint authority with another employee, occupancy of overlapping limits is allowed only after which condition?
• During verbal issuance of a track warrant, what must you do with the lines chosen?
• What is required when changing a track warrant's authority by issuing a new warrant?
• Besides a maximum speed, what other temporary restrictions might a track warrant specify?
• Which items do not have to be stated in single digits?
• How should conflicts between two warrants for the same track segment be resolved?
• How should meetings or crossings within a single-warrant segment be handled?
• How do track warrants interact with interlocking signals?
• During a verbal release, what should the dispatcher do to ensure the correct authority is being released?
• Which document must be properly initialed when reporting clear of track warrant limits in non-signaled territory?
• Written authorities that are no longer in effect must be retained until when?
• Which is a common reason for a track warrant to be canceled?
• Which set of items must be stated in single digits as mandatory directive numbers?
• What must a crew do if they notice an error in an issued track warrant?
• How must a train be determined to be complete in non-signaled or double-track territory?
• What is the significance of the term 'occupancy' in Track Warrant Control?
• If a track restriction is issued, which document must reflect the restriction when it has not yet been passed?
• If a track restriction is transmitted, what two elements must accompany it to ensure linkage to the correct train?
• Who is typically responsible for issuing a track warrant?
• Who issues mandatory directives?
• If a transmission of numbers needs further clarification, what may the train dispatcher do?
• What information should a train crew record or carry for a track warrant?
• All trains are required to obtain a ___________ prior to initiating movement on main track (GCOR 6.2)
• Who may determine from the train dispatcher or yardmaster if any track bulletins are in effect?
• What elements are typically included in a track warrant's phraseology?
• What must a dispatcher do before verbally issuing a track warrant?
• Which statement about track warrants and box 7 restrictions is true?
• Which statement is true about relaying track warrants?
• After issuing a new warrant, what must the crew do to ensure proper authorization?
• If a track warrant restricts movement of previously granted authority, it cannot be considered in effect by the train dispatcher until __.
• If a track warrant is canceled because the track becomes unavailable, what must the train do?
• How are changes to a track warrant communicated when the train is already en route?
• Whenever possible, create which two measures to protect an unforeseen restriction?
• When transmitting a track restriction directly to a train, the restriction should be issued in which format?
• Which ABS rule applies to switching before the opposing train enters the block?
• When a hand-operated switch is used to clear the main track, what must be advised to the train dispatcher?
• Which category contains the four items Track warrants, Track bulletins, track and time, track permits?
• Which item is not typically included in a track warrant?
• What is the meaning of the end time in a track warrant?
• Which item is NOT part of the three items that must be included in the train dispatcher's release repeat?
• Which list accurately lists all five items that can be verbally changed on a track warrant for bulletins?
• If a track warrant is duplicated with a duplicating machine, what action is not required?
• Duplicated track warrants must be checked and verified as what two aspects?
• What is a typical method to confirm the rear of the train if a rear-end telemetry device is not present?
• When verbally issuing a track warrant, read each word of the lines chosen, including pre printed words, but may exclude the ______ and ________.
• Under what condition must a restriction be included on the train dispatcher's transfer?
• Which items do not have to be stated in single digits?
• If no track bulletins are in effect, what should you advise?
• What must a dispatcher do before mechanically issuing a track warrant?
• Are interlocking signals bypassed by track warrants?
• Which box instructs the train to take siding and does not grant any authority?
• When transmitting or accepting release of authorities; or when transmitting any other mandatory directive or instruction in the CAD system, the train dispatcher or control operator must what?
• What is the purpose of a meet location within a single-warrant segment?
• How are track warrants stored or logged for audit purposes?
• How should a crew confirm they have the correct warrant information?
• A mandatory directive restricting a train's movement will not be issued near a point where the restriction applies until
• How should a crew handle a scenario with multiple warrants overlapping future movements?
• What should be done with any written authorities that are not understood?
• Which box, when used, is described as clearing the main track and instructing the train to take siding?
• Which action is not part of the four steps for releasing authority verbally?
• What are the two types of track warrants?
• Which box grants a train directional track warrant authority to occupy the main track?
• What is the primary method used to issue, modify, extend, or cancel track warrants and to confirm receipt and understanding by the train crew?
• Track warrants are used to control movement in which contexts?
• In ABS, when meeting an opposing train on the main track, do not line the switch until what occurs?
• How does Track Warrant Control support single-line working or late-epoch operations?
• What term describes the amount of main track authority issued by a track warrant?
• What is one method to verify the rear of the train in non-signaled territory?
• PROTECTING UNFORESEEN RESTRICTIONS: The train dispatcher must not relieve the employee of providing flag protection until which condition is satisfied?
• Which crew member typically signs or acknowledges a track warrant?
• What should the crew confirm regarding opposing movements before entering a warrant segment?
• How must a change to an issued track warrant be made?
• Which of the following is considered an abnormal or unexpected event in a Track Warrant Control environment?
• What should a crew do when they reach the end of a track warrant's authority?
• In Track Warrant Control, occupancy refers to what?
• Before initiating a movement on a main track or controlled siding, a crew member must...
• The amount of main track authority issued by a track warrant is known as ___________________________.
• Which statement best describes occupancy within a warrant area?
• All movements entering or moving within yard limits must be made at what speed?
• What is the purpose of Protective Track Tag (PTT) or Track Restriction Protection (TRP)?
• Who issues and controls warrants in Track Warrant Control?
• What is required for a read-back in Track Warrant Control communications?