US Railroad General Code of Operating Rules (GCOR) Practice Test

These questions are part of the practice quiz. Start practicing

• What does the signal aspect of red over flashing yellow indicate?
• What will a diverging approach medium signal require even after proceeding?
• What is the responsibility of an employee in charge of working limits?
• What is an absolute block in railroad terminology?
• During a freight car safety inspection, what should you do if you find a car with a missing handhold?
• What does the RESTRICTING aspect consist of?
• What does a distant signal indicate in relation to block signals?
• How should a driver respond when a diverging approach medium aspect is observed?
• In what scenario can a train move at restricted speed after a stop indication?
• What is the role of a Timetable in a railway system?
• What does a Track Bulletin communicate?
• What is an intermodal train composed of?
• What is unique about the locks utilized on devices for switches or derails?
• Which system primarily governs train movement in CTC?
• How long can a nap period last for crew members when allowed?
• What action should an employee take upon receiving unclear signals?
• When requesting track authority, what must the employee inform the dispatcher of?
• Who is the Control Operator?
• What is a Spring Switch?
• What does the End OS Sign indicate?
• Which of the following indicates the limits of an Automatic Block System?
• What typically characterizes an intermodal train?
• What is the primary responsibility of a train dispatcher?
• What action should employees take when a restricted area is less than two miles away from a terminal or junction?
• What is the function of general orders within railroad operations?
• What is the purpose of a block signal?
• Who is responsible for the safety and protection of a train?
• What is the general action taken when a clear aspect is displayed?
• What is prioritized when receiving new track instructions from the employee in charge?
• When a signal indicates restricted speed while departing a block system, when can maximum speed be resumed?
• Who is responsible for issuing and canceling circulars, instructions, and notices?
• What does a "D" plate on a signal mast indicate?
• What does it mean to be fouling a track?
• How should a train crew respond upon establishing new route instructions?
• Which of the following is NOT a requirement for a watch or clock used in train operations?
• What does the yellow over lunar signal aspect indicate?
• When mobile and transmitting a radio communication, what identification is required?
• What aspect is used to indicate a temporary speed restriction?
• What is a control point sign in railroad operations?
• When faced with doubt or uncertainty during operations, what should an employee do?
• What does the abbreviation SW stand for in railroad operations?
• What might the signal indicating restricted speed advise about the conditions ahead?
• When approaching a yellow over lunar signal, what must the driver be prepared for?
• What should be documented in the case of a signaling error during train operations?
• When should a radio transmission be ended with "Over"?
• What does the term Signal Aspect refer to?
• What is the indication of a diverging approach medium aspect?
• In railroad operations, what does TRN stand for?
• In the case of emergency situations, what is the focus of employees' responsibilities?
• Who is referred to as the YM in railroad operations?
• Which of the following describes Interlocking Signals?
• What defines a Controlled Siding?
• What action should be taken when encountering a diverging clear aspect?
• What does a block system consist of?
• What does a crossing at grade refer to?
• What is the function of an End of the Train Device (EOT)?
• What should a crew member do at a stop indication at manual interlockings?
• Which of the following describes the characteristics of a section of track deemed as a heavy grade?
• Yellow-red flags are used to indicate what?
• What type of air brake test is required when adding cars not previously tested to your train?
• Which statement best describes a Dual Control Switch?
• What is a Yard Limit in railroad operations?
• What is a Timetable in railroad operations?
• What kind of operation is indicated by the term 'Block Signal'?
• What is the proper action at a stop indication in CTC territory?
• What does the abbreviation XO signify in railroad operations?
• What is the definition of a Main Track?
• What does a Proceed Indication signal indicate to a train?
• What does Block Register Territory (BRT) refer to in railroad operations?
• What is considered a heavy grade for a train with more than 4000 trailing tons?
• What does a diverging approach medium signal aspect require from a train?
• What is the significance of multiple engines being coupled in a train?
• What condition must be met for movement at restricted speed?
• What aspect would indicate a movement through a diverging route?
• What does Reverse Movement refer to in railroad operations?
• How can a power-assisted switch (PAS) be controlled?
• What is a Quiet Zone in railroad operations?
• What defines an interlocking in railroad operations?
• What does the APPROACH RESTRICTING aspect consist of?
• How are safety rules provided to railroad employees?
• What aspect indicates that a train can proceed but must be prepared to pass the next signal at restricted speed?
• How is signaling accomplished within an interlocking system?
• What does the abbreviation TWC refer to in railroad terminology?
• How should movements be executed if a train is reversing from the direction of the entered block?
• What is the protocol at a stop indication in automatic interlockings?
• What is a clearance point on the railroad?
• What characterizes a Non-Controlled Track?
• What is the definition of an articulated car in railroad terminology?
• What is required for an employee to enter or occupy track?
• When moving at restricted speed, what must the crew keep a lookout for?
• What does an Electric Switch Lock do?
• What is indicated by Signal Indication?
• Upon what basis are general orders numbered?
• How should trains respond to a RESTRICTING aspect?
• Why is obeying the rules crucial in railroad operations?
• Which document types can be classified as mandatory directives?
• In the context of railroad signals, what does "approach restricting" usually advise?
• What is the Automatic Block System (ABS) primarily used for?
• What is the role of the Control Operator in train operations?
• Which of the following conditions must be met to ensure a successful Class 1 Air brake test?
• What must be preceded by required identification when no response is expected?
• What is a key feature of an effective securing device for manually operated switches or derails?
• What information is NOT required when requesting track authority?
• What does the abbreviation YD represent in railroad context?
• What is indicated by the abbreviation TRK?
• What is typically included in a station as per the operational definition?
• What is the meaning of the abbreviation WWD in railroad terminology?
• What type of communication should be prioritized in emergencies while on duty?
• Which of the following is not a protocol during a stop indication?
• Who can issue or cancel a general order?
• When can a train resume its normal speed within a restricted area indicated by a yellow flag?
• If the person giving the signal to shove a train disappears, what must employees do?
• What speed must a train or engine not exceed when required to move at restricted speed?
• What do general orders in rail operations contain?
• What is the primary function of a yard in railroad operations?
• What is a Dual Control Switch?
• What does a CLEAR aspect indicate in signaling?
• In the context of railroad operations, what is the meaning of 'Crossing at Grade'?
• What is the requirement for an equipped flagger during the nighttime?
• A Spring Switch operates primarily to?
• What does the APPROACH DIVERGING aspect indicate?
• What does the term 'men or equipment' refer to in railroad contexts?
• What are Working Limits in railroad operations?
• For a mobile unit, which identifier is required when transmitting?
• What are interlocking limits?
• What aspect should a train look for when it can safely proceed at normal speed?
• What does Track Warrant Control (TWC) permit in train operations?
• What type of document must trainmen and enginemen review before beginning their work?
• If STOP is not indicated in the Stop column of the Form B track bulletin, may a train enter the limits of Form B without instructions?
• What is required when conducting a Class 1A 1000 mile air brake test?
• What does Rule 6.14 define?
• What is indicated by the presence of a distant signal?
• Where must yellow flags be displayed to indicate a restricted area?
• Which aspect indicates that the train should continue at caution?
• What does it mean when a Track Bulletin authorizes movement against the current of traffic?
• What must employees handling hazardous materials ensure they have?
• What must an employee operating a radio ensure before transmitting?
• What does a Controlled Track require for train movements?
• What governs the safety and operational responsibilities of a train crew?
• What is a Controlled Signal?
• What is the definition of a Track Car?
• What is the purpose of a derail on the railway?
• What is Train Coordination?
• Who is designated as a flagman in a railroad context?
• What color flag is used to display the approach of a restricted area?
• What safety measures are associated with clearance points on a railroad?
• What is a Control Point?
• The primary function of a Signaling System is to?
• Does a distant signal indicate conditions affecting track use between itself and the next signal?
• What does fouling a track prevent?
• What is considered the most important element in performing duties within railroad operation?
• What is the name of the signal aspect represented by yellow over lunar?
• What must employees have in order to ensure safety in railroad operations?
• Who is authorized to receive information about accidents involving non-employees?
• What is a Siding used for in railroad terminology?
• Which statement is true about a Quiet Zone?
• What should the train crew do if track route instructions change from previous instructions received?
• What is the meaning of TOFC in railroad terminology?
• What describes the DIVERGING APPROACH aspect?
• What is indicated by the presence of a solid green signal?
• What is required of employees governed by the General Code of Operating Rules while on duty?
• What does form 68D relate to in the context of railway incidents?
• What does a Switch Point Indicator do?
• If a train is moving under a signal requiring restricted speed, can it comply with the next signal's indication?
• What does a Trackside Warning Detector indicate?
• What is the primary purpose of the instructions contained in the Timetable or other publications?
• What information is contained in general orders?
• What kind of conditions can a Trackside Warning Detector identify?
• What is the function of a Crossover in railroad operations?
• What is the purpose of track bulletins?
• What is a requirement for crews when napping is permitted?
• What must the conductor remind the engineer of?
• When performing a brake test with an end-of-train device, what is the required increase or decrease in brake pipe pressure to indicate successful application?
• What direction does the letter "W" represent in railroad communication?
• What is required to be done immediately following a personal injury on company property?
• At what point is a train allowed to resume maximum speed after passing a stop indication in CTC?
• What should an employee do when reporting clear of authority limits?
• What characterizes an Absolute Signal?
• What should employees do when there are personal injuries or accidents?
• What aspect of communication is essential for all mobile units on a railway?
• Which aspect describes the STOP signal?
• What characterizes a Variable Switch in railroad terms?
• What does the abbreviation SWD indicate in terms of direction on the railroad?
• What is considered to be a Block Signal?
• What is a key aspect of Rule 6.13?
• What type of air brake test is required for blocked cars that have not received air supplies for 5 hours?
• What are mandatory directives in railroad operations?
• What is the purpose of a Controlled Siding?
• What is indicated by the term YL in railroad language?
• According to railroad terminology, how is a train defined?
• What defines a station in the context of railroad operations?
• What does track warrant control primarily regulate?
• If instructions are received from the employee in charge, who must the train crew contact for route changes?
• Which condition would NOT prevent a car from being placed in a train?
• What speed should be maintained on a diverging approach medium signal aspect?
• What is the significance of a Block System in railroad operations?
• What is one of the main purposes of mandatory directives?
• What is the maximum speed a train can proceed at once it reaches a restricted area indicated by a yellow flag?
• If a train needs to stop at a signal, what must be checked according to protocol?
• What is the indication of a clear signal aspect?
• What type of equipment does Off-Track Equipment refer to?
• What does the term Block refer to in railroad terminology?
• Under which condition is napping permitted for train crews?
• What is the most important element in performing job duties?
• What is Centralized Traffic Control (CTC)?
• What does proper communication with the control operator ensure during a signal stop?
• Describe the DIVERGING CLEAR aspect.
• What does the indication of a diverging clear aspect emphasize for the train operator?
• What does the abbreviation WSS signify in railroad operations?
• If the locomotive recalibrating valve is set at 90 PSI, what pressure is required on the rear car during a Class 111 air brake test?
• True or false: Any object waived violently by a person on or near the track is a signal to stop.
• What type of signal is NOT covered by the definition of a distant signal?
• What should train crews do before beginning their day's work?
• What are examples of mandatory directives?
• If a train is delayed between a distant signal clear and the next signal, what rule must it follow?