IN Driving Instructor study materials
IN Driving Instructor study resources

Dusk, a Buggy, High Beams, and a Deer

IN Driving Instructor · Put your knowledge to work in context.

All case studies

Dusk, a Buggy, High Beams, and a Deer

At dusk on a two-lane rural Indiana road posted 55 mph, you are teaching a 16-year-old with a probationary license. The road has no shoulder, a double yellow center line, and a slight curve ahead. A horse-drawn buggy with a slow-moving vehicle triangle is ahead in your lane. A pickup approaches from the opposite direction with high beams on. The student accelerates to 50 mph and says, 'I can pass before the curve if I flash my lights at the truck.' As the student speaks, a deer steps onto the pavement from the right ditch, and the student's hands tighten on the wheel. The student has not checked the rearview mirror and is about 1.5 seconds behind the buggy. The buggy's left wheel is near the center line.

1. What is your immediate response to the deer and the student's pass attempt?

Read the worked answer

The immediate priority is to stop the pass and manage the deer. Say 'No pass-brake now,' and be ready to use the instructor brake. The student should brake firmly and stay in the lane rather than swerve; swerving at dusk into the oncoming pickup or off the shoulder is worse than a controlled low-speed deer impact. With high beams in the eyes, the student should look toward the right edge of the lane to hold position, not stare at the lights. The buggy is only 1.5 seconds ahead, so the student must reduce speed immediately and create space. The deer may move unpredictably; after slowing, scan the ditch for more deer. Do not flash lights to demand a pass-that adds glare and pressure. The instructor should keep verbal commands short and take control if the student freezes.

2. Was the proposed pass legal or safe? Explain the rules of the road that apply.

Read the worked answer

The pass is illegal and unsafe on these facts. The center line is double yellow, which prohibits crossing to pass. Even if it were a broken yellow, passing is not allowed when sight distance is limited by a curve, when an oncoming vehicle is close, or when the pass cannot be completed safely. The buggy's left wheel is near the center line, so there may not be room to pass without crossing the line or crowding the horse. The student's proposed 'flash the truck' does not create a right-of-way; high beams are for warning, not for demanding that an oncoming driver yield. Indiana also requires dimming high beams for oncoming traffic within a specified distance-commonly 500 feet-and the pickup's failure to dim does not excuse the student's bad pass. The correct decision is to stay back, slow to the buggy's pace, and wait for a legal, clear passing zone with no oncoming traffic.

3. What should the student be taught and what should be recorded after this near-miss?

Read the worked answer

Debrief after the drive. Teach the student to identify the slow-moving vehicle triangle, the double yellow, the curve, the oncoming glare, and the deer as a chain of hazards-not isolated events. Practice a night-driving routine: dim high beams for oncoming traffic, look right-edge when glared, reduce speed below the posted limit when sight distance is short, and follow at four or more seconds. Explain that a buggy can stop or turn unpredictably and that horses may spook. In the record, note the near-miss, the instructor intervention, the passing attempt, and the remedial lesson plan. A follow-up lesson should include rural-road scanning, passing-zone judgment, and a commentary drive at dusk. The goal is to replace 'I can make it' with 'I can stop within the distance I can see.'