Browse all practice questions for the Dallas Police Department (DPD) Traffic Practice Exam. Search by topic, open any question and review its full explanation, then test yourself in the practice quiz.

Dallas Police Department (DPD) Traffic Practice Exam 2026 - Free Traffic Officer Practice Questions and Study Guide course image
More practice questions

These questions are part of the practice quiz. Start practicing

  • Which of the following best describes an operator of a vehicle?
  • If a person drops or permits destructive or injurious material on a highway, they must __________ remove the material.
  • By what day must a person notify the department of a name change or change of address?
  • What characterizes a residence district?
  • Which of the following statements is true regarding a house trailer?
  • What term is used to refer to a person who drives or has physical control of a vehicle?
  • Who is classified as an owner according to traffic regulations?
  • What type of evidence is primarily observed in phase 2 of a DWI investigation?
  • At what age is it considered an offense to possess a fake ID that looks similar to a driver license?
  • What percentage of alcohol is absorbed in the stomach?
  • What is the primary purpose of the One Leg Stand test?
  • What condition must be met before an operator can move a stopped vehicle?
  • What does Special Mobile Equipment include, according to traffic regulations?
  • Which of the following is related to the Walk and Turn test performance?
  • What defines a Class B license in terms of weight?
  • What is the standard size of a beer according to SFST?
  • What is the primary role of vehicle towing and recovery?
  • What is the legal speed limit for farm-to-market or ranch-to-market roads?
  • What is the maximum speed limit in urban areas unless otherwise posted?
  • The penalty for failing to stop at certain railroad crossings is a fine ranging between what amounts?
  • Which type of device is placed by a public body to regulate, warn, or guide traffic?
  • Which statement about motor vehicles is accurate?
  • When must lamps be illuminated according to the Duty to Display Lights requirement?
  • What does the walk and turn test primarily evaluate?
  • What does the term 'official traffic control device' refer to?
  • Which clue from the Walk and Turn test indicates stopping while walking?
  • When does nighttime officially begin?
  • What does the term 'standing' specifically refer to in vehicle operation laws?
  • What is defined as a governmental authority in the context of traffic management?
  • If a vehicle is towing a farm trailer weighing up to 20,000 lbs, what type of license is required?
  • Which action is not permitted when approaching a two-way road with four lanes?
  • What is an authorization issued by the department for the operation of a motor vehicle called?
  • Which symptom might suggest a driver has consumed alcohol during field testing?
  • What is the alcohol content of a standard shot of whiskey?
  • What type of vehicle is defined as transporting property and does not include a passenger car used for delivering mail?
  • During the walk and turn test, stepping off the line is classified under which clue?
  • What is the weight requirement for a Class A license?
  • What is the accuracy percentage for the Walk and Turn test?
  • What is the function of a paved shoulder on a roadway?
  • What type of vehicle is considered a house trailer?
  • How many clues indicate a BAC above .08 for HGN?
  • What is the primary task of phase 3 in field sobriety testing?
  • Who can be designated as a school crossing guard?
  • What is the maximum speed limit for school buses on numbered highways that have passed a commercial motor vehicle inspection?
  • What is the fine for operating a vehicle without using safety belts?
  • What offense is committed if a person disposes or allows the disposal of litter or solid waste at an unauthorized site?
  • What does task 2 of phase 2 involve?
  • What is required from drivers when they see a stopped school bus with flashing lights?
  • When nearing a curve or the crest of a grade, how far must another vehicle be visible before turning?
  • What is the minimum Gross Vehicle Weight Rating (GVWR) for a farm trailer?
  • How many observable clues can be seen during the HGN test?
  • Which clue points to an inability to keep balance during the Walk and Turn test?
  • What is classified as a light truck?
  • What type of vehicle is classified under Class M of driver's licenses?
  • What is the minimum weight requirement for the classification of a Class A driver's license when towing?
  • What is a necessary requirement for a learner's license holder operating a vehicle?
  • Which of the following is not considered a physical obstruction or environmental condition contributing to a crash?
  • What is the classification of a vehicle designed for 24 or more passengers?
  • What period defines daytime?
  • What is the alcohol content of a standard glass of wine?
  • What response indicates a clear inability to perform the Walk and Turn task effectively?
  • What vehicle type is characterized by being capable of being ridden solely using human power?
  • What color must all rear mounted lights and reflectors be or reflect?
  • What is the prima facie speed limit for urban districts on streets other than alleys?
  • Where is it prohibited to drive through or in?
  • What responsibility do drivers have when operating their vehicle next to school zones?
  • What is one of the penalties for illegal dumping of waste over 100 pounds?
  • What is the primary purpose of designating a crosswalk?
  • What is not required to be stated in a motor vehicle liability insurance policy?
  • What classification of driver's license is required for vehicles with a gross vehicle weight rating (GVWR) over 26,000 pounds?
  • What does the 'U' clue indicate in the Walk and Turn test?
  • What is the maximum allowed distance for a drawbar connection between vehicles transporting large objects?
  • What must an operator of a vehicle do when turning left at an intersection?
  • Which license would be required for a single vehicle weighing over 26,000 lbs without any trailers?
  • What minimum height is specified for fog lamp projection from the center of the lamp?
  • What is the minimum sound distance a vehicle's horn must be audible under normal conditions?
  • What is the criterion for a bicycle's wheel size?
  • Which behavior is NOT indicative of impaired performance in the One Leg Stand test?
  • What comprises a restricted district?
  • At what height must headlamps be mounted?
  • How many validated clues are there for the HGN test?
  • According to SFST, what is the size of a shot of whiskey (80 proof)?
  • For how long does a military member's driver's license remain valid after discharge, if not disabled?
  • Under what circumstance can a person under 18 use a wireless communications device while operating a motor vehicle?
  • According to the transportation code, who is defined as an individual?
  • The closure of a road or highway by a firefighter applies only to those employed by a __________.
  • What does the 'C' clue refer to in the Walk and Turn test?
  • What is the primary use of an implement of husbandry?
  • What must an operator do when facing a green light at an intersection?
  • Which of the following is not considered a validated field sobriety test?
  • For an honorably discharged person, how long does their driver's license remain valid after discharge?
  • What actions are considered an offense for a person occupying the seat next to a learner license holder?
  • What is the prima facie speed limit for school buses that have not passed a commercial motor vehicle inspection and are traveling on highways not numbered by the US or this state?
  • What is the classification for illegal dumping between 5 and 100 pounds?
  • What is the definition of parking a vehicle?
  • True or False: Local authorities have specific designations for school crossing guards in school districts within state laws.
  • What is the role of a school crossing guard?
  • A court may dismiss a charge for a violation if the defendant remedies the defect within how many working days after the offense?
  • What must a person hold to rent a motor vehicle legally?
  • In the Walk and Turn test, what does the 'D' clue indicate?
  • How far must a flare, electric lantern, or portable reflector be visible at night?
  • What does the 'I' clue refer to in the Walk and Turn test?
  • What is the prima facie speed limit for highways outside urban districts that are not numbered by the state or US, except where otherwise noted?
  • Which of the following is required to drive a commercial motor vehicle?
  • What is the required visibility distance for stop lamps on a vehicle?
  • What must happen for an offense regarding a motor-assisted scooter to be considered legal?
  • What is the prima facie speed limit for school buses that have passed a commercial motor vehicle inspection and are on a numbered highway including farm-to-market roads?
  • What is the first task in phase one of a sobriety test?
  • What is defined as a human operator in an automated motor vehicle?
  • What is the penalty for a child under 18 occupying the bed of a truck or trailer?
  • What is defined as property owned or leased by the state or a political subdivision?
  • What must a driver do regarding traffic signs when they are visible to an ordinary observant person?
  • Which of the following correctly describes a passenger car?
  • What factor might reduce the effectiveness of a walk and turn test?
  • What must an operator do when encountering a stopped school bus with its visual signals activated?
  • Under what circumstance may an operator legally pass to the right of another vehicle?
  • What is defined as an authorized emergency vehicle under traffic regulations?
  • During a sobriety test, what does a driver stepping off the line signify?
  • What distance must the high-intensity beam of a vehicle not strike when projected?
  • What is the standard size of a glass of wine according to SFST?
  • What area does a sidewalk typically serve?
  • During the walk and turn test, if a subject steps off the line twice, how many clues does that indicate?
  • What is the classification for illegal dumping of 5 pounds or less?
  • What is the distance requirement for a horn's audible sound?
  • What is the third clue in the HGN test?
  • In DWI investigations, what is the main purpose of phase 1?
  • What color of lights are prohibited from being visible from the front of a motor vehicle, except for police vehicles?
  • According to the transportation code, is the shoulder defined as a portion of the highway intended for normal vehicular travel?
  • What is the purpose of a railroad sign or signal?
  • When driving on the right side of a roadway with four or more lanes and two-way traffic, which action is prohibited?
  • What is the recommended safe distance to pass a vehicle on the left?
  • What defines a passenger car according to traffic definitions?
  • What is a requirement for obtaining a restricted class M license?
  • Which type of vehicle is recognized specifically as a multifunction school activity bus?
  • Which of the following is included in the definition of a commercial motor vehicle?
  • What key element is evaluated when a subject fails to touch heel to toe during the Walk and Turn test?
  • When must high beam lights be dimmed when approaching oncoming traffic?
  • Which of the following is NOT included in the definition of Special Mobile Equipment?
  • In the One Leg Stand test, what does the "H" clue mean?
  • What is the prima facie speed limit for highways numbered by the state or US outside urban areas?
  • What class of misdemeanor is racing on a highway classified as?
  • Which of the following is a consequence for operating a vehicle that is equipped with safety belts but allowing a child who is younger than 17 to be unrestrained?
  • What is the key consideration during phase 2 of a sobriety evaluation?
  • What does a Class C driver's license cover?
  • Which of the following is NOT a characteristic of a public place?
  • What is the primary focus of task 1 in phase 2 of a traffic stop evaluation?
  • What is the minimum distance at which lamps must be illuminated for visibility?
  • What percentage of alcohol is absorbed in the small intestine?
  • Which part of the body metabolizes alcohol?
  • At what distance must a taillamp emit a red light visible?
  • What does stopping imply regarding the movement of a vehicle?
  • How long must an operator signal before turning their vehicle?
  • What defines a school crossing zone?
  • What is the following fine for a passenger aged 15 or older who is not wearing a safety belt?
  • What is nystagmus?
  • What is the prima facie speed limit for alleys and beaches?
  • What is the question investigators consider in phase 3?
  • What is a sidewalk?
  • What is the accuracy percentage for the Horizontal Gaze Nystagmus (HGN) test?
  • Which type of lights are unlawful to display unless authorized?
  • What is the maximum distance at which a high-intensity beam from a motor vehicle should strike the roadway?
  • What constitutes the boundary lines of a publicly maintained way?
  • What is a crosswalk?
  • What is generally the role of a farm tractor?
  • What does 'PC' stand for in the context of a DWI investigation?
  • What does standing mean in the context of vehicle operation?
  • What characterizes a flammable liquid?
  • Which of the following is NOT classified as a restricted district?
  • What is a consequence of disobeying the instructions or signals of a warning sign?
  • What is the initial question in phase 1 of a DWI investigation?
  • What defines a freeway main lane?
  • Which description matches a firm in the context of legal definitions?
  • What do firefighters in an emergency services district have authority to do on highway closures?
  • Under what condition can you drive left of the center line when approaching an alley, private road, or driveway?
  • What is the timeframe for a peace officer to apply for a duplicate license after ceasing to be a peace officer?
  • What is the first clue observed during the Horizontal Gaze Nystagmus (HGN) test?
  • What is the definition of Right of Way?
  • True or False: The disposal of litter at a non-approved site is acceptable if someone claims ignorance.
  • When may a person use a restricted license after a court order?
  • At what age is it an offense to operate a passenger vehicle without safety belts if the passenger is under a certain age?
  • What describes a freeway?
  • What is the required height range for a fog lamp from the front of the vehicle?
  • What is defined as a motor vehicle, other than a motorcycle, used to transport persons and designed to accommodate 10 or fewer passengers?
  • What does gross vehicle weight (GVW) refer to?
  • Which type of vehicle can be operated by volunteers responding to emergencies?
  • How many lighted lamps must be displayed on each side of the front of a motor vehicle?
  • According to the transportation code, does the shoulder refer to a place below the head of a person?
  • What is the visibility requirement for a taillight under normal conditions?
  • What is the primary focus during the vehicle in motion phase of DWI?
  • What must be displayed on a non-government document that simulates a driver license?
  • What is one consequence of having a driver's license and being convicted under the Alcoholic Beverage Code?
  • What is the typical alcohol content of beer?
  • During the Horizontal Gaze Nystagmus (HGN) test, which eye is tested first?
  • According to traffic regulations, what constitutes an offense concerning warning signs and barricades?
  • What is an improved shoulder on a road?
  • What colors may traffic signals display?
  • Which of the following actions is allowed while operating a motor-assisted scooter?
  • What is the potential fine range for failing to yield right of way resulting in a bodily injury accident?
  • What is task 2 of phase 1 during a sobriety evaluation?
  • What is essential for a person to do if they create a hazard on a roadway?
  • Which class of driver's license is designated for vehicles with a GVWR of less than 26,001 pounds?
  • What type of area is defined as a school crossing zone?
  • What type of vehicle may display red lights visible from the front?
  • What defines a motorcycle in traffic terms?
  • How is a metropolitan area characterized?
  • What is an essential requirement for stopping a vehicle according to traffic laws?
  • Which statement best defines a public place?
  • What is a consequence of alcohol's absorption primarily occurring in the small intestine?
  • Which of the following factors may contribute to a vehicle crash?
  • In a DWI investigation, what does phase 2 refer to?
  • What action is indicated by the "S" clue during the Walk and Turn test?
  • How is the width of a highway or street defined?
  • A motor-assisted scooter may be operated only on a street or highway with a posted speed limit of _____ or less.
  • What action is permissible during the operation of a commercial motor vehicle?
  • What does the term "death" refer to in this context?
  • Which term refers to the act of halting a vehicle only to pick up or drop off passengers?
  • What is the fine range for a child being transported without an approved passenger safety seat system?
  • What does a motor vehicle include according to traffic classifications?
  • A motor-assisted scooter may cross at an intersection where the speed limit exceeds ______.
  • What does HGN clue 2 indicate during a sobriety test?
  • What does the "U" clue signify during the One Leg Stand test?
  • Which clue associated with the One Leg Stand indicates poor balance?
  • What term describes a sign, signal, or device erected to notify traffic of railroad tracks or an approaching train?
  • What is phase 1 in the context of a DWI investigation?
  • What is the maximum intensity allowed for certain illuminating devices on motor vehicles?
  • When does a person commit an offense according to traffic codes?
  • What happens to a person's driver's license after a final conviction related to furnishing alcohol to minors?
  • Which is the best description of a commercial motor vehicle?
  • What does the second 'I' clue refer to in the Walk and Turn test?
  • What defines a light truck?
  • What happens if a violator of the state licensing requirement cannot prove they have been a resident for less than 90 days?
  • What is phase 3 of a DWI investigation?
  • What must a natural person control in an automated motor vehicle?
  • What is the visibility requirement for stop lamps?
  • What action should be avoided to maintain balance during the One Leg Stand?
  • How far should a vehicle stay away from fire apparatus or ambulances?
  • What does the Gross Combination Weight Rating (GCWR) refer to?
  • What percentage indicates accuracy for the One Leg Stand test?
  • What question is typically asked before conducting field sobriety tests?
  • What is the main purpose of conducting field sobriety tests?
  • What describes a freeway?
  • Which vehicle is specifically utilized for emergency medical services?
  • What is considered a public place?
  • What does a driver's license authorization allow a person to do?
  • At what height are tail lamps required to be mounted?
  • What is mentioned as not a common traffic incident?
  • Upon moving to a new state, how long does a new resident have to obtain a state license?
  • What is the fine for not using a safety belt if the passenger is above 15 years of age?
  • What type of permit allows an individual to drive a commercial motor vehicle under supervision?
  • In the walk and turn test, what does starting too soon indicate?
  • Which of the following best describes the conditions under which you can cross the center line on a roadway?
  • What aspect of the HGN test is primarily assessed through the observation of eye movement?
  • Which vehicle type is specifically designed to be drawn by a farm implement?
  • True or False: You can drive left of the center line if a traffic sign indicates that you may do so.
  • What is the height requirement for a child to be exempt from using a child passenger safety seat system?
  • From what distance must tail lamps be visible?
  • What does the "P" clue signify during the One Leg Stand test?
Subscribe

Get the latest from Examzify

You can unsubscribe at any time. Read our privacy policy