Browse all practice questions for the Norfolk Southern Practice Test. Search by topic, open any question and review its full explanation, then test yourself in the practice quiz.

Norfolk Southern Practice Test course image
More practice questions

These questions are part of the practice quiz. Start practicing

  • Is it permissible for a train to perform a roll-by inspection after receiving a Hot Wheel message?
  • Where would you find special instructions to change the retainer valve from Exhaust to High Pressure?
  • What authority is needed to pass a STOP Signal after getting permission from the employee in charge of Working Limits?
  • What is the first step in transmitting a mandatory directive over the radio?
  • If brakes on a car fail to apply, how long must they remain applied during testing when retesting?
  • Which of the following is NOT a type of signal?
  • What should a copying employee do after receiving all information and instructions on the Track Authority?
  • Can you add a cut of cars to your train if they have already received a Class I Brake Test within the last 24 hours?
  • How can you determine what type of territory you are operating on?
  • During a Class I brake test, what is the maximum speed allowed for conducting a "roll-by" inspection?
  • For how long must you observe the equipment when ensuring hand brakes are effective?
  • What is essential to verify before shoving a cut of cars?
  • What happens to the Authority forms and instructions when a crew is relieved before completing a trip?
  • After receiving authority to pass a Stop signal, how must the movement operate?
  • When a Mandatory Directive is issued by telephone outside of the initial terminal, what is crucial before providing the time effective?
  • How must angle cocks and cut-out cocks be positioned during the inspection?
  • What information must the employee directing a movement provide to the Engineer?
  • What does the symbol "CP" in a circle signify on the station page?
  • What must be determined before a crew member may shove equipment?
  • For a Class I Brake Test, how many PSI are required on the rear car?
  • When is it acceptable to display a Conditional Approach sign less than 1 ½ miles in advance of the working limits?
  • Who can authorize movements to pass a Conditional Stop Sign displayed as specified in the Train Clearance?
  • To operate against the current of traffic beyond the limits of the block in Rule 251 territory, what is necessary?
  • What does a "Hold Main Track" command indicate?
  • During switching operations, prior to shoving in any track, equipment must be ______ to ensure all cars and/or locomotives are coupled.
  • What is the purpose of showing markers at the end of the train?
  • When operating in 271 Territory and entering a block on a Restricting Signal, what should you do when ready to proceed after switching an industry?
  • What indicates you should proceed prepared to stop at the next signal?
  • How can crew members find out the location and type of detectors?
  • If you are stopped by a hot box detector, what type of test should you perform after setting the car out?
  • What is considered the most important aspect in the discharge of duty?
  • How should the release air brake hand signal be indicated?
  • If a train receives multiple detector messages stating "NO DEFECTS", what is the implication?
  • What should the crew do first after an undesired emergency application of the air brakes?
  • What speed restriction applies to a 140 car mixed freight train with 42 empty multi-levels scattered throughout?
  • What signifies a closed position on a switch?
  • In what train document will you find a Form Y?
  • What is the term for a length of track where movements are governed by signals or directives?
  • What should you do when encountering an unexpected signal change?
  • When approaching MP 1 with a pending Conditional Stop Sign, what is the first action that should be taken?
  • In Rule 171 territory, what does the Track Authority Form primarily control?
  • How much space is required to walk between standing separated cars?
  • If both angle cocks must be closed, which statement is true?
  • What is the first step in executing a Class I Brake Test?
  • What is required to display at the rear of every train when operating on main track?
  • If a train separates or air hoses uncouple twice between the same two cars, what is the general requirement for these cars?
  • While employees are on duty, which activity is not allowed?
  • In what scenario can a loaded unit coal train proceed without inspection after an emergency brake application?
  • Which item must be free when employees get on or off equipment?
  • When approaching an interlocking with signals displaying different aspects, what should be a train crew's priority?
  • What must happen when there are intervening road crossings when shoving equipment?
  • In Rule 261 territory, what should you do if your train has an emergency brake application while on a clear signal?
  • What term is used to describe the section in the Division Timetable that categorizes locomotives?
  • If you couple three tracks together with 1 psi, 3 psi, and 5 psi leakage, what is the total leakage of the train?
  • What is the preferred method to inform another crew about a signal?
  • Which publication provides district-specific information for train operations?
  • Under what condition can a train operate on the indication of a Clear signal?
  • What is the primary focus for a train when encountering emergency brake applications?
  • Which section of the Division Timetable includes maximum speeds and diesel unit ratings?
  • When transmitting Track Authorities, what should both the Dispatcher and the receiving employee do?
  • When should you expect to see a 'Stop Obstruction' banner?
  • When operating a hand-throw switch, which of the following is required?
  • What is the correct progression of train signals in a signal system?
  • Which step must come first in the procedure for cutting out air brakes on a freight car?
  • What is the primary purpose of establishing 3-Step Protection?
  • In Rule 171 or 271 territories, what is true regarding the direction of train movement?
  • What must be accomplished before work may continue after a Utility Brakeman joins your crew?
  • Where do you record and update the exact position of cars added to your consist?
  • What must be done after confirming a signal in the cab by all crewmembers?
  • Which of the following is included as proper work apparel for a Conductor?
  • What is required to make a reverse movement within the limits of the block in 251 Territory?
  • Which item is referred to as the Cut-out Cock?
  • Under what condition may a train operate according to the next fixed signal governing movement?
  • What is a key action to ensure safety while operating machinery?
  • When requesting 3-Step Protection via radio, which three items must be designated?
  • What is the primary feature of a tank car?
  • In the event of an emergency, how do you shut down a locomotive?
  • If Train 185 experiences an emergency brake application at 29 MPH, is a visual inspection required if the brake pipe pressure restores on the rear?
  • Which action is required when limits have been reported clear?
  • What does the indication of a signal inform the train crew about?
  • If a train encounters a Restricting or Stop signal not indicated by the preceding signal, what must the crew do?
  • What determines the maximum allowable piston travel on cars not equipped with 8 ½ - 10 inch diameter brake cylinders?
  • What should you do if a switch does not operate smoothly?
  • What is the name of the component that holds two cars together?
  • More than one train may occupy the same Authority limits when operating at what speed?
  • What must be inspected when freight cars are added to a train that have not been previously inspected?
  • Wearing which of the following while on duty is generally unacceptable?
  • What type of information must be included on a Track Authority Form during a train meet?
  • What is included in a Job Safety Briefing prior to stopping at a signal?
  • What is the definition of Medium Speed?
  • If two consecutive detectors send a failure message, what must be the train's next action?
  • In Rule 261 territory, if you are requested to clear the main track and the switch is not equipped with an electric lock, what action should you take?
  • During a C-100 Freight Car Inspection, what indicates a problem with the carbody?
  • Which of the following is an acceptable form of communication to establish 3-Step Protection?
  • What should be the last step in receiving a mandatory directive?
  • In 251 Territory, after entering a block on a Restricting Signal, how should you proceed after stopping?
  • What must Train 119 do after hearing Train 17M's emergency announcement?
  • An Engineer must stop the movement when shoving at what distance unless instructed otherwise?
  • What is the role of the RWIC in the working limits?
  • In relation to hand signals, what does swinging at arm's length refer to?
  • Who is responsible for the removal of Blue Signal protection?
  • When given a box 3, Work Between, what does the Track Authority form indicate?
  • What is the primary means of communication BY RULE between the Conductor and Engineer?
  • Which condition allows multiple trains or engines to occupy the same or overlapping limits in Rule 171 and 271 territories?
  • When must an employee report the restoration of main track switches to the Dispatcher?
  • Are shirts that do not cover the shoulders and upper arms allowed?
  • Under which condition may a train pass a non-controlled Stop Signal without permission from the Dispatcher?
  • Where does authority extend from if station names are designated as the first name point?
  • What sound should a train or engine make when approaching a roadway work group?
  • In the event of an emergency brake application, what communication must a crew member announce?
  • Requirements to ride in the sill step of a moving car include:
  • What topics should be included in a Job Safety Briefing when receiving a signal to approach prepared to stop?
  • Who can give permission to operate a Power Operated Switch by hand on the main line?
  • True or False: During a Class I Brake Test, the inspector must examine each side of each car.
  • Which example constitutes an imperfectly displayed signal aspect?
  • What is the minimum PSI required on the rear car during a Class III Brake Test?
  • What component controls the flow of air into and out of the reservoirs on each freight car?
  • What should employees focus on while on duty according to safety protocols?
  • What should be inspected during a C-100 Freight Car Inspection for signs of improper positioning?
  • What describes the condition of track signal d in one direction?
  • What type of car would be used to haul a commodity that needs to be protected from the weather, like rolls of paper?
  • How long must a 1043-BT or similar document be maintained?
  • When a train or engine activates an automatic crossing warning device and is delayed, when can it enter the crossing?
  • Are you allowed to cross over between coupled standing cars if there is an end platform and handholds on the car?
  • If a train speeds drops below 8 MPH while passing over a detector and a "DEFECTS" message is received, what action must be taken?
  • Which type of trains must be stopped and inspected upon receiving a detector failure message?
  • How is the hand signal for 'proceed' indicated?
  • When movements operate against the current of traffic in Rule 251 territory, what is required of the Train Dispatcher/Control Operator?
  • What is the normal position of the retainer valve during operation?
  • Which manual contains rules for handling Locomotives, Freight Cars, and other equipment?
  • During a Class III Brake Test, the brakes must apply in response to a reduction of how many PSI in the brake pipe?
  • What action must a crew take after an emergency brake application in Clear Signal of Rule 261 territory?
  • What is the term for being in a position that could lead to being struck by equipment?
  • What must happen before a train that is relieved from inspection can proceed?
  • What does a signal showing Red over Red over Red typically instruct?
  • What must the crew do if Train 111 operates over a detector but does not receive a message?
  • What does a signal displaying Green over Red indicate?
  • In Rule 251 territory, what must be done when you encounter opposing movements?
  • If only a Stop Signal is present, what must crewmembers do before passing?
  • Where must a temperature indicator be placed when inspecting a roller bearing for a hot box?
  • If Train J29 operates westward in Rule 261 territory and you stop to inspect a car after receiving a Clear signal, what must you be prepared for when departing?
  • Which of the following is a safety protocol when operating a manual switch?
  • Which step comes after an employee states their identification when receiving a mandatory directive?
  • What is the preferred action if there’s a defect on one car after air hose issues?
  • In 251 Territory, how is a train expected to operate when encountering a restricting signal?
  • Where can you ride on a cut of cars?
  • Is it permissible to foul equipment after requesting protection before confirmation by the engineer?
  • What must be noted about FRA Excepted Track designated by Timetable?
  • When running on an Approach signal, when must the Conductor confirm the stopping location?
  • What type of information is NOT contained in the Detailed Car Information Section on the Train Consist?
  • When should the word "Void" be written on the Track Authority form?
  • When authorized to proceed after stopping at a Restricting signal, how should a train move?
  • Before departing from a switch location, what must be confirmed regarding main track switches?
  • If you encounter any object waved violently near the tracks, what should be your immediate action?
  • Which of the following is NOT a part of the initial terminal inspection in a Class I Brake Test?
  • What is the maximum authorized speed for a light locomotive consist of two or more units?
  • Which visual indication confirms the hand brake is applied?
  • What should you always do first in an emergency situation on the tracks?
  • What must you obtain to make a reverse movement beyond block limits in 251 Territory?
  • Which of the following types of information are contained in a Train Consist?
  • What type of brake test is standard for a Class IA Brake Test?
  • How should trains and engines approach crossings equipped with automatic warning devices on auxiliary tracks?
  • How frequently must train service personnel verify the accuracy of their handheld gauges?
  • Which of the following is a necessary protocol before switching an industry in 251 territory?
  • Upon receiving a hot bearing detector defect notification, how many axles must be checked?
  • Concerning the use of crossover switches, which of the following apply?
  • Which of the following describes a "Clear Signal" in rail operations?
  • If no message is received at a detector, what can the crew request to hear the detector voice message again?
  • A train receiving a hot wheel defect alarm may proceed up to what speed to the next siding or location?
  • What is required when shoving equipment to prevent damage and conflicts?
  • How would you determine the "B" end of a freight car?
  • What is the last step of a Class I Brake Test?
  • What types of adornments are forbidden while working as part of a train crew?
  • Which signal is characterized by having no number plate and displaying an aspect of Red over Red over Red?
  • When applying or releasing a vertical end mounted hand brake on a railcar, your stance should be:
  • Once voided, how long must your copy of a Track Authority form be retained?
  • As the relief crew on train 29J, which documents must you check with the dispatcher?
  • When should blocks of empty cars be placed at the rear of a train?
  • What is the speed restriction for a train that includes a Center Beam Flat Car?
  • If a train or engine stops at a Stop Signal and no other movement is evident, what is the first action a crew member must take?
  • Company property issued to employees must be:
  • What is the appropriate action when two consecutive control valves on an articulated car are found to be inoperative?
  • What does the hand signal for 'reduce speed' entail?
  • Which publication contains district specific information?
  • You pass a Restricting Signal and see that the next signal is clear. How do you operate?
  • What is a requirement for properly lining a switch before a train moves?
  • What will NOT trigger the word "Void" to be noted on the Authority form?
  • Why is it important to look in both directions when crossing tracks?
  • Why is it important to confirm the lead locomotive number during a train meet?
  • What is required regarding brake rigging during a Class I Brake Test?
  • How long must equipment be observed for movement when testing the effectiveness of applied hand brakes?
  • What action is required when arriving first at Dooley siding with track authority to meet a train?
  • If a train has experienced an emergency brake application and inspection is necessary, what is the appropriate procedure?
  • How is signal information typically documented by train crews?
  • What is the primary purpose of a Stop Signal?
  • What is a standard speed limit imposed when making a reverse movement in restricted territory?
  • What type of signaling equipment must be kept in the operating compartment of locomotives and cabooses?
  • When can reverse movements be made between Conditional Stop Signs as per a Form Y?
  • What is the minimum reduction in PSI required for a Class III Brake Test to apply the brakes?
  • When getting on or off equipment, what should employees avoid?
  • What should all crew members do with the mandatory directive before acting upon it?
  • In 271 Territory, after entering a block on a Clear Signal and stopping to switch an industry, how should you proceed when ready?
  • In 261 territory, how should you make a reverse movement to switch a customer?
  • If the Engineer applied the Automatic Brake, what would the control valve on a freight car sense in terms of brake pipe pressure?
  • What should be done after cutting out the air brakes from a freight car due to a defective valve?
  • Which type of information is NOT included in a Train Clearance?
  • A Track Authority remains in effect until which condition occurs?
  • After a crew is relieved in Rule 261 single track territory, how must the train proceed without a leaving signal?
  • What does the hand signal for 'stop' look like?
  • What does a Conditional Approach sign indicate?
  • Which statement best describes 271 territory?
  • Where can a crew find the designated Yard Limits?
  • What must be done if an improper entry is discovered in the Track Authority Form before it is effective?
  • Which of the following signal indications requires Restricted Speed within Yard Limits?
  • What must be confirmed by the engineer before a movement begins?
  • What type of protection is necessary for Mechanical Department employees when handling End of Train Devices?
  • What should a crew consult when determining authorized speeds in varying territories?
  • What action must be taken at the last detector before entering a yard if defect alarms are received?
  • Employees must report for duty in what condition?
  • What must employees do upon reporting for duty?
  • What do the right of way conditions in a Train Clearance provide information about?
  • When must hand brakes not be released after an engine is re-coupled?
  • When Train 208 announces brakes are in emergency, how should Train 118 proceed?
  • If any part of a train passes a STOP signal without authority, what must a crew member do?
  • What must a local operating in Rule 251 territory do after passing a Clear Signal and stopping to switch?
  • During a Class I Brake Test - Initial Terminal Inspection, which of the following must be confirmed about the train's brakes?
  • What type of brake test is required to be performed during the initial terminal inspection on a train?
  • Under what condition can a brake be cut out?
  • When is a blue signal displayed, what must not happen with the rolling equipment?
  • If permission is granted by the Track Supervisor to pass a Conditional Stop Sign, what does the train need to do?
  • If your train has passed a Restricting Signal and is operating at restricted speed at night, when can you operate on the indication of the Clear signal?
  • What is the first call made by crewmembers regarding a signal?
  • Where would you find rules pertaining to the operations of various Company departments?
  • What must be done after moving the cut-out cock to the closed position?
  • What is the primary purpose of a Train Consist?
  • What must you say to end a transmission if you expect a response?
  • What should an engineer do to report passed the last milepost when no other trains are in the area?
  • When a Hot Box defect alarm is received, what should the crew do?
  • What is needed to make a reverse movement beyond the limits of the block in 261 Territory?
  • What is required from a conductor during a coupling process using radio communication?
  • What is the hand signal for 'back' described as?
  • Cars or engines protected by blue signals must not be what?
  • When is the crew allowed to discuss topics unrelated to the train's safe movement?
  • In what circumstance would a crew NOT use a hand signal?
  • What is the maximum authorized speed for a single light locomotive?
  • What should a conductor do when there is a blue signal 10 car lengths from the switch on track 2?
  • How must you approach a controlled point or interlocking that does not have a distant signal?
  • How should you proceed when approaching a color light signal showing only a white light?
  • When is Job Briefing participation required?
  • Why does the conductor need to inspect the train after going into emergency?
  • If a train has a horn failure on the lead locomotive, who must be notified immediately?
  • How should a train crew proceed when an intermediate signal displays no lighted aspect (dark signal)?
  • What is the maximum speed permitted when entering a main track between signals?
  • What is the maximum speed allowed for a car with a 3-inch flat spot on the wheel?
  • Which step comes second when performing a Class I Brake Test?
  • What is the minimum percentage of operative air brakes required for a train after departing the Initial Terminal?
  • What must be visually determined during a Class III Brake Test if there is no operative EOTD on the rear of the train?
  • What is the term for an arrangement of signals and signal appliances that must succeed each other in the proper sequence?
  • Under what condition can a train with a horn failure proceed without further actions at a crossing?
  • What test must be performed if the brake pipe has been interrupted?
  • What action should be taken if air brakes are found defective during inspections?
  • When approaching a fixed signal requiring a Stop, how must Train 27D stop?
  • What will happen at an Automatic interlocking when a train or engine is stopped by a Stop Signal?
  • Which of the following is NOT a signal type mentioned for governing movements?
  • How is the Current of Traffic defined on a main track governed by Rule 251?
  • What should be included in the record when documenting a car with cut out brakes?
  • Operating a hand-throw switch requires which type of movement?
  • What is the standard operating air pressure for Norfolk Southern freight trains?
  • When counting down cars during a shove movement and communication is lost, will the engineer stop in one car length?
  • What is required before a crew can proceed after a receipt of a hot wheel defect alarm?
  • An employee demonstrating the proper technique of operating a switch lever will NEVER:
  • What is the speed limitation for a train or engine operating on tracks other than the main track?
  • Which of the following statements is true regarding company property?
  • What is required to make a reverse movement within 271 Territory?
  • When may a solid loaded bulk commodity train proceed without inspection after an emergency brake application?
  • If you observe a home signal functioning erratically, alternately displaying CLEAR and APPROACH, how should it be regarded?
  • What must be communicated to the engineer before making shoving movements?
  • During switching operations, which of the following is essential for safety?
  • What is NOT a requirement for maintaining a written or electronic record in the cab of the locomotive?
  • What should you do if the track is not in use and derails must be checked?
  • What must be done when working traffic through a highway crossing?
  • How should automatic block signals be read?
  • What must employees do to ensure their own safety while on duty?
  • Your train is stopped at a Stop Signal and another train is passing on the adjacent track. What is required of you?
  • Which of the following actions must employees ensure before using appliances, tools, supplies, and facilities?
  • What is the maximum speed for a 2-axle scale test car?
  • Which type of train must be inspected after an undesired emergency brake application?
  • If the air brake system on a train is fully charged, what would be the pressure in the brake cylinder?
  • What must be done after Train 520 experiences an emergency brake application while operating through a crossover?
  • What is indicated by a Clear Signal in 261 territory?
  • For shoving movements, how should the engineer verify the track condition?
  • A mandatory directive refers to what type of information?
  • Where cannot flat cars loaded with pipe be positioned in a train?
  • Which of the following is NOT an example of OS'ing?
  • Which of the following statements about signal logs is false?
  • Which territory requires a Track Authority form to operate against traffic?
  • Which of the following items are employees prohibited from wearing while working?
  • In a scenario with close clearance condition on the North side, where is Conductor Davis safely positioned?
  • Which of the following actions is NOT permitted to be performed with the use of the Norfolk Southern Brake Stick?
  • During a shove movement, how often must the conductor communicate with the engineer when using Shove Lights?
  • What should an employee do when in doubt about the meaning of a signal?
  • Which situation requires that all movements be stopped when using hand signals?
  • During a countdown to a coupling, how many car lengths must the engineer stop within?
  • To effectively manage communication over the radio, what is crucial for clarity?
  • What should an employee do after receiving a Track Authority?
  • What must derails be when the track is not in use?
  • How much PSI reduction is required for a Class I Brake Test to apply the brakes?
  • What action is required if a train receives a Detector Failure message at consecutive detectors?
  • If you enter a block on a Clear Signal and then stop to switch an industry in 261 territory, how should you proceed when ready?
  • When is it permissible to operate a hand brake?
  • After receiving authority to pass the Conditional Stop Sign at 21G, what can the train do?
  • What actions should the crew take for positive train identification during a train meet?
  • When a train goes into emergency but brake pipe pressure is being restored, is a visual inspection required before proceeding?
  • Which safety measure is critical when boarding or exiting equipment?
  • How is a HOT BOX DETECTOR referenced on the station page of a Division Timetable?
  • Which of the following is a reason for a car to be set out after an air hose uncouples?
  • Before attempting to stop air hose leaks, which components must be closed?
  • When must individuals in the cab of the locomotive cease all unrelated communication?
  • When must the word "Void" be written across the Authority form?
  • At what speed must trains or engines be prepared to stop when approaching Automatic Interlockings after passing the distance signal?
  • How must every accident resulting in injury or damage to company property be reported?
  • When does the engineer maintain 3-Step Protection?
  • After receiving a "NO DEFECTS" message, what is the maximum speed at which the train may proceed?
  • What is the most restrictive signal possible from a signal with a number plate?
  • How do you signal to 'apply air brake'?
  • Where does permission to occupy a main track come from in 271 and 171 territories?
  • When limits or instructions are changed, what is the procedure for handling the Track Authority form?
  • What is the maximum allowable piston travel for cars equipped with 8 ½ - 10 inch diameter brake cylinders?
  • What step is needed after coupling air hoses during a brake test?
  • What is the PSI reduction needed to apply the brakes during a Transfer Train Brake Test?
  • What is the maximum speed defined as Slow Speed?
  • What is the recommended method for crossing tracks?
  • Is the issuance of a Track Authority that includes a Box 6 'Do Not Depart until the Arrival Of ' allowed in 171 Territory?
  • What is the normal position for a retainer valve on a freight car?
  • Which of the following is NOT an acceptable work apparel for Conductor?
  • Which condition should be checked for a freight car during an inspection when added to a train?
  • Which action should be taken if a signal change indicates a stop requirement?
  • If you see an imperfectly displayed signal showing yellow over red over dark, how should you operate?
  • What is the requirement for on-ground employee protection at a highway crossing?
  • Which description matches 261 territory?
  • What is the maximum allowable leakage when testing a train using the Leakage Method?
  • What type of car would be used to haul scrap metal?
  • If a fixed signal is absent from its usual position, how should movement be governed?
  • What indicates a close clearance condition on the North side of the track?
  • What must each crew maintain in the cab of the controlling locomotive?
  • For a Class IA Brake Test, what is the reduction in PSI required to apply the brakes?
  • For a Class I Brake Test, what is the required PSI on the rear car for brake application?
  • What type of car is commonly used to haul bulk liquids?
  • In Rule 171 and Rule 271 territory, which of the following is NOT required to designate a train?
  • Which statement is true regarding the cutoff of a brake?
  • What is a key factor in maintaining a safe working environment?
  • How can you identify an overheated wheel or journal once it has cooled down?
  • What does a relief crew need to do before departing in Rule 261 single track territory?
  • Employees operating switches and derails by hand must visually ensure:
  • What action must a train take upon receiving a failure message at the last detector before entering a yard?
  • How many times must each signal be called by crewmembers?
  • What is the normal position for a main track switch to allow movement on the main track?
  • What is the minimum requirement for sounding the locomotive horn before occupying a public highway-rail grade crossing?
  • What is permissible speed when authorized by RWIC Bailey in the working limits?
  • What is the primary responsibility of employees regarding safety while performing their duties?
  • What is the maximum authorized speed to operate against the current of traffic in 251 Territory?
  • What additional requirement must work boots meet besides height?
  • Which transmissions are not required to be repeated?
  • Are there any circumstances under which a conductor can remove a Blue Flag?
  • Which individual cannot copy a Track Authority on a moving locomotive?
  • What action should be taken if a signal changes to Restricting or Stop?
Subscribe

Get the latest from Examzify

You can unsubscribe at any time. Read our privacy policy