Minnesota Driving Instructor Exam study materials
Minnesota Driving Instructor Exam study resources

Rolling Into a Snowbank-Blinded Intersection

Minnesota Driving Instructor Exam · Put your knowledge to work in context.

All case studies

Rolling Into a Snowbank-Blinded Intersection

Sixteen-year-old learner with a valid Minnesota instruction permit for five months and 22 of the required 50 supervised hours is on a two-lane county road after a light snow. The route includes an uncontrolled four-way intersection where plowed snowbanks about four feet high block the view of the cross street. A grain truck is parked on the right corner, further limiting sight distance. The student approaches at 25 mph in a 30 mph zone, lifts off the accelerator, then lets the vehicle creep forward while saying, 'I can't see anything.' The student's hands are tight on the wheel, and the front bumper is already past the stop-sign line for the cross traffic, though there is no stop sign on the student's road. The instructor has a dual brake and a clear view of the right-side hazard. The next scheduled skill is right-of-way decision-making at uncontrolled intersections.

1. What should the instructor do in the next three to five seconds, and what should the instructor avoid? Explain the reasoning.

Read the worked answer

The instructor should first separate the immediate safety problem from the lesson goal. A short, concrete command such as Stop and hold is better than a lecture, because the student is already fixed on the snowbank and losing the clear point. The instructor should cover the dual brake and apply it only enough to stop the creep if the student does not respond immediately, while keeping hands off the wheel unless the car is actually heading into a collision path. Grabbing the wheel without warning can cause a novice to freeze or overcorrect.

The instructor should avoid waving the student through, saying 'you're fine,' or telling the student to just go slowly. With four-foot snowbanks and a parked truck, the correct maneuver is a staggered stop: stop at the legal or safe point, then creep forward only until the driver can see past the obstruction, stopping again before entering the cross street. The instructor should prompt the student to use the side windows and to look for a clear zone, not just straight ahead. The teaching point is that limited sight distance requires a stop-and-peek procedure, not a guess.

2. How should the instructor debrief and redesign the next 20 minutes?

Read the worked answer

After moving to a safe pull-off, the instructor should ask the student to reconstruct the approach before giving the answer: what did you see, when did you lose the clear view, and what did the car do while you were looking? This exposes whether the student understood the hazard or simply froze. The instructor should name the skill precisely: creep-and-peek at a sight-limited intersection, with three checkpoints-stop, see, then go only when the cross street is clear.

The next 20 minutes should use low-traffic intersections with similar sight limits or a coned course that simulates the snowbank. The student should practice commentary driving: 'I am stopping because I cannot see left; I am creeping to the clear point; I am checking right again.' The instructor should give one correction at a time and require three clean repetitions before increasing speed or traffic. If the student cannot hold the clear point under low demand, the instructor should not move to the uncontrolled intersection with live cross traffic that day.

3. What should be recorded and communicated to the parent or guardian?

Read the worked answer

The record should be factual and skill-based: date, road and weather conditions, the sight obstruction, the student's action, the instructor's intervention, and the specific skill practiced next. It should not label the student as reckless. The instructor should note that the student recognized the visibility problem but did not yet have a reliable procedure for converting recognition into a safe stop and creep.

The parent conversation should focus on what to practice and what not to assume. The parent can supervise repeated stops at low-traffic intersections, but should not push the student into busy uncontrolled intersections until the instructor documents consistent performance. The instructor should avoid implying the student has failed or that the permit is at risk. The message is that sight-distance judgment is a teachable skill and is not yet signed off, so the next lesson will revisit it before moving to more complex right-of-way decisions.