CDT Cheat Sheet 2026

The 30 highest-yield CDT facts, distilled from real exam questions. Print it, save it as a PDF, or study it here — free, no sign-up.

1. A driver trainer notices a student hesitates before entering a roundabout. Which is the correct rule for yielding in a roundabout? → Entering vehicles yield to vehicles already circulating inside
2. Which of the following actions is REQUIRED when approaching a stationary emergency vehicle with flashing lights on a multi-lane highway under Move Over laws? → Move over one lane away from the vehicle if safely possible, or slow down significantly
3. A student driving in heavy rain at night notices the painted lane markings are nearly invisible. The best instructor guidance is to: → Use raised pavement markers (RPMs) and road edges as reference points
4. A student's vehicle begins to skid on a slippery surface. What is the first corrective action to teach? → Steer in the direction the rear of the vehicle is sliding
5. What does the 'pushrod travel' measurement indicate during an air brake inspection? → The distance a brake chamber pushrod moves when brakes are applied
6. When should a commercial driver perform a post-trip inspection? → At the end of every driving shift before releasing the vehicle
7. Why is stakeholder communication important in driver training program development? → It ensures alignment of expectations and facilitates collaborative decision-making
8. A student consistently fails to check mirrors before braking. What progressive instructional step should a CDT instructor apply? → Introduce timed mirror-check prompts, then fade the prompts as the habit forms
9. A driver trainer should teach students that 'target fixation' while driving leads to: → The vehicle drifting toward whatever the driver is staring at
10. What is the primary hazard of 'target driving' on a straight road, where the student steers toward a fixed point far ahead? → It trains students to ignore nearby hazards in the immediate zone
11. Which of the following is the BEST reason to use lower gears when descending a steep grade? → Engine braking in lower gears controls speed without heating service brakes
12. A CDT instructor is teaching about space management. What is the minimum recommended space cushion a driver should maintain to the sides in normal traffic? → 3–4 feet
13. When designing training for backing maneuvers, the CDT should incorporate which sequence? → Instructor explanation → demonstration → guided practice → independent practice
14. When teaching night driving risk management, a trainer should instruct students to use low-beam headlights: → When within 500 feet of an approaching vehicle or 300 feet when following another
15. What does 'situational awareness' mean in the context of safe driving? → The ability to perceive, understand, and anticipate events in the driving environment
16. Why is stakeholder communication important in vehicle control & handling skills? → It ensures alignment of expectations and facilitates collaborative decision-making
17. What does a red triangle warning light on the dashboard typically indicate? → A hazard warning system activation or critical fault
18. Which competency is most essential for professionals working in student driver assessment techniques? → Comprehensive knowledge combined with practical application skills
19. According to CDT best practices, when should a classroom instructor review the course objectives with students? → At the beginning of each session and revisited at the end
20. What effect does increasing vehicle speed have on the minimum turning radius? → It requires a larger turning radius to maintain control
21. Under FMCSA regulations, what is the maximum driving time in a 14-hour on-duty window for a property-carrying CMV driver? → 11 hours
22. When teaching backing skills, a driver-trainer should instruct students to begin the maneuver by: → Getting out and walking the path (G.O.A.L.) before backing
23. When addressing challenges in special driving conditions training, what approach is most effective? → Systematic analysis of root causes followed by evidence-based solutions
24. Under FMCSA's Entry-Level Driver Training (ELDT) regulations, which format must theory (knowledge) training be delivered in? → Instructor-led classroom or online courses from an FMCSA-registered provider
25. Which sign shape in the US is exclusively used for STOP signs? → Octagon
26. What is the primary risk associated with driving in another vehicle's blind spot on a multi-lane highway? → The adjacent driver may change lanes into your vehicle without detecting you
27. During a risk perception lesson, a trainer asks the student to identify potential hazards on a video clip before discussing them. This technique is called: → Predictive hazard commentary
28. A CDL driver-trainer is teaching a student to shift a 10-speed manual transmission. At what point should the student begin moving the gear shift? → When engine RPM drops to the target range for the next gear
29. A student driving in a snowstorm feels the rear of the vehicle begin to slide outward on a straight road. Which response should the instructor teach? → Release the accelerator and steer in the direction the rear is sliding
30. Which Kirkpatrick model level assesses whether training actually changed drivers' on-road behavior? → Level 3 – Behavior