1. A CDL applicant is performing the offset backing (right) exercise during the skills test. The applicant must back the vehicle from a straight starting position to a position offset to the right within a defined boundary. Which technique correctly accomplishes this maneuver?

2. A driver pulls into a rest area and walks around the vehicle for a tire check. The driver discovers that the tread depth on one steer axle tire has worn down to 3/32 inch. What is the correct action?

3. A driver is coupling a tractor-semitrailer. After inspecting the fifth wheel and positioning the tractor, what is the correct sequence for connecting the air lines and testing trailer brakes before backing under?

4. A driver is performing a pre-trip inspection and turns on the ignition. The ABS malfunction indicator lamp illuminates, then turns off after a few seconds. The driver starts the engine and the lamp remains off. What does this indicate about the ABS system?

5. A driver approaching a right turn in a tractor-trailer notices a vehicle stopped close to the curb on the cross street. What is the safest approach?

6. A driver operates the same tractor-semitrailer on two different days: Day 1 with a 45,000-pound load on dry pavement, and Day 2 empty (no cargo) on the same dry pavement at the same speed. During brake applications on Day 2, the driver notices the brakes seem less effective and the vehicle slides more easily. Which analysis explains this observation and what adjustment should the driver make?

7. A driver is descending a steep 6% grade when the service brakes begin to fade from heat buildup. The air pressure gauge shows 100 PSI. What is the correct sequence of actions to manage this emergency?

8. You are driving a school bus approaching a railroad-highway grade crossing with passive warning signs (crossbuck signs only, no flashing lights or gates). You have stopped within 50 feet but not closer than 15 feet from the nearest rail and checked both directions. No train is visible or audible. While crossing, your bus stalls on the tracks with 30 students aboard. What is the correct immediate procedure?

9. A driver with Tank Vehicle (N) endorsement is transporting a chemical load in a smooth bore tanker. The shipper has provided loading documentation showing: product weight 44,000 lbs, tank capacity 50,000 lbs (88% fill), outage (ullage) 12%. The driver weighs the combination at a CAT scale: steer axle 12,000 lbs, drive axle 19,500 lbs, trailer tandem 32,500 lbs, total 64,000 lbs. The route includes 50 miles of mountain highway with 6% grades. Analyze this configuration for compliance issues and identify the driving techniques required for safe transport.

10. During the engine start portion of the pre-trip inspection, the driver must verify several systems immediately after starting the engine. Which of the following should the driver check within seconds of engine startup?

11. A driver approaches a loading dock in a busy warehouse yard with multiple vehicles maneuvering. The dock space is narrow with obstacles (parked forklifts) on both sides. The driver must back from a perpendicular approach angle (alley dock) but notices a forklift crossing behind the trailer’s intended path. The forklift operator does not appear to see the truck. Which analysis correctly prioritizes the driver’s actions for this complex situation?

12. What is the correct procedure for double-clutching when shifting gears in a CMV with a manual transmission?

13. You are driving a loaded combination vehicle at 55 MPH on a dry two-lane highway. A motorcycle is following you at approximately 2 seconds. A pedestrian is walking along the right shoulder, and a vehicle is approaching from the opposite direction. You need to make a left turn in approximately 500 feet. Analyzing all space management factors, what should you do FIRST?

14. According to 49 CFR Part 393 Subpart I, what is the minimum number of tiedowns required for an article of cargo that is 6 feet in length?

15. A driver is backing a tractor-trailer and needs the trailer to move toward the driver’s left side. Which steering action should the driver take?

16. A driver has completed coupling and is inspecting the connection. The driver observes: fifth wheel jaws appear closed, the locking lever has the safety latch engaged, but the trailer kingpin shows visible wear marks and minor damage. What should the driver conclude and what action is required?

17. What is the maximum gross vehicle weight (GVW) allowed on the Interstate Highway System under federal weight limits?

18. A driver arrives at a weigh station for a roadside inspection. The inspection reveals that one of the steer axle tires has tread depth of 3/32 inch with exposed fabric cord visible on the shoulder. The inspector checks the CVSA Out-of-Service Criteria. What is the likely outcome of this inspection finding?

19. What is the disqualification period for a CDL holder’s first major offense of driving a commercial motor vehicle with a blood alcohol concentration (BAC) of 0.04% or higher?

20. A driver is operating a tractor-semitrailer combination with a GVWR of 12,000 lbs on the tractor and a GVWR of 35,000 lbs on the trailer. The actual loaded weight is 44,000 lbs. Which CDL class is required to operate this vehicle legally?

21. A driver is performing the trailer inspection portion of a pre-trip inspection on a Class A tractor-semitrailer that has been parked overnight. The driver examines the landing gear (trailer support legs) and observes that the landing gear crank handle is properly stored and secured. However, the driver notices that one of the landing gear legs has visible surface rust on the support leg tube and the support leg feet (pads) show uneven wear with one pad noticeably worn thinner than the other. What should the driver determine about these landing gear conditions?

22. A driver is approaching a 5-mile, 6% downgrade in a loaded Class A combination vehicle during snow conditions. The road has light snow cover, and the temperature is 30°F. The driver has selected 4th gear for the descent. What is the correct speed management approach?

23. During a pre-trip inspection, what is the maximum acceptable amount of steering wheel play (free movement before the front wheels begin to turn) for a commercial motor vehicle?

24. During a slack adjuster inspection, the driver observes push rod travel of 1.5 inches when the service brake is applied on a manually adjusted system. What action is required?

25. You are driving a loaded tractor-semitrailer at night on a rural highway. An oncoming vehicle approaches with its high beams illuminated, causing significant glare. What should you do?

26. A driver needs to complete the coupling inspection for a Class A tractor-semitrailer. The following steps have been partially completed: (1) tractor positioned in front of trailer, (2) trailer air lines connected to tractor, (3) air supplied to trailer, (4) trailer brakes tested, (5) tractor backed under trailer until fifth wheel engaged. Which steps remain to be completed before the coupling inspection is finished?

27. Which color coding standard applies to trailer air line connections on a commercial motor vehicle?

28. A driver with a CDL is convicted of using a commercial motor vehicle in the commission of a felony involving manufacturing, distributing, or dispensing a controlled substance. What is the consequence?

29. A passenger-carrying driver comes on duty at 6:00 AM after 8 consecutive hours off duty. They drive a charter bus from 6:00 AM to 11:00 AM, then remain on duty but not driving while passengers visit a museum from 11:00 AM to 3:00 PM. What is the latest time the driver can resume driving?

30. What is the correct sequence for double-clutching when upshifting in a CMV with a non-synchronized manual transmission?

31. What does the ABS malfunction indicator lamp on a CMV dashboard indicate when it remains illuminated after startup?

32. A driver needs to back a tractor-semitrailer toward a loading dock on the driver’s left side. Which technique is correct for steering the trailer toward the dock?

33. A driver experiences a front tire blowout while operating a loaded tractor-semitrailer at 55 mph on an interstate highway. Which response should the driver execute FIRST?

34. A driver is executing a right turn with a 53-foot tractor-semitrailer in a downtown area with pedestrians waiting at the corner. As the driver begins the turn after pulling forward into the intersection, what mirror-checking technique should be applied throughout the turn to manage off-tracking and pedestrian safety?

35. A long-haul commercial driver follows a regular sleep schedule of 11 PM to 7 AM at home. The driver is assigned a new route requiring driving from 3 AM to 11 AM. Analyzing circadian rhythm effects, what is the most accurate prediction about the driver’s alertness during the first week of this schedule?

36. A driver completes a post-trip inspection and documents three defects on the DVIR: a cracked windshield, a malfunctioning wiper motor, and a leaky air hose. The driver submits the DVIR to the carrier’s maintenance department at 6:00 PM. The dispatcher calls at 7:00 AM the next morning stating the truck is being dispatched for another driver. What federal requirement has been violated?

37. What is the correct formula for calculating minimum safe following distance for a Commercial Motor Vehicle (CMV)?

38. While driving on a highway, a driver notices the ammeter showing a discharge and hears a squealing noise from the engine compartment. The driver is 15 miles from the next rest area. What is the correct course of action?

39. What is the required stopping distance from the nearest rail when a CMV must stop at a railroad-highway grade crossing?

40. What is the maximum allowable steering wheel play (free play) for a commercial motor vehicle before it is considered defective?

41. A CDL skills test applicant completes all five basic control exercises with the following individual scores: Straight-line backing: 0 points; Offset backing (left): 3 points (two encroachments, one extra pull-up); Offset backing (right): 2 points (one encroachment, one wrong-direction look); Alley dock: 4 points (two encroachments, two extra pull-ups); Parallel parking (conventional): 2 points (one encroachment, one wrong-direction look). The maximum allowable total points to pass is 12. Driver-side parallel parking was waived. What is the applicant’s final score and pass/fail status?

42. A 20-year-old driver holds a valid Class B CDL issued by their home state and wishes to drive interstate routes transporting general freight in a straight truck. The driver has passed all required knowledge and skills tests and holds a valid DOT Medical Examiner’s Certificate. Which statement correctly describes the driver’s eligibility?

43. A driver completes a post-trip inspection and discovers a cracked brake hose on the tractor’s rear drive axle. The driver properly documents this defect on the DVIR and submits it to the motor carrier. The next morning, the carrier dispatches the same driver on the same vehicle without repairing the cracked hose. The carrier states that the defect is “minor” and will be repaired at the next scheduled maintenance interval in two weeks. What is the driver’s correct response?

44. You are driving a 40-foot straight truck on a two-lane highway at 45 MPH. A vehicle behind you is tailgating closely, maintaining a following distance of approximately 2 seconds. What is the safest response to handle this tailgating situation?

45. Why might an empty combination vehicle require a longer stopping distance than a fully loaded one?

46. During the exterior walk-around inspection of a commercial motor vehicle, what wheel or rim condition should the driver identify as requiring immediate repair and reporting on the DVIR?

47. A driver is approaching a sharp curve on a rural highway while operating a Class A combination vehicle at 45 mph. The recommended curve speed is 30 mph. The vehicle has an automatic transmission. Which gear selection and speed management procedure is correct?

48. A school bus driver is transporting 40 students across a railroad crossing with two parallel tracks. After crossing the first track, traffic ahead stops suddenly, preventing the bus from clearing the second track. The bus is now stopped with the rear portion still on the first track. The crossing signals suddenly activate with flashing lights. The driver cannot move forward due to traffic. Which analysis correctly identifies the critical decision?

49. A driver is operating a tractor-semitrailer and needs to shift from 5th gear to 6th gear while accelerating on a highway. The engine RPM is at 1,800 and needs to match the target RPM of approximately 1,200 for 6th gear. What procedure should the driver follow?

50. If the emergency air line (blue glad hand) ruptures while driving, what will happen automatically to protect the tractor and trailer?