What is the 30-centimeter technique for oncoming traffic?

1 Answers
DiMaddox
07/29/25 10:32pm
The 30-centimeter technique for oncoming traffic mainly involves finding a reference point, shifting to a lower gear in advance, and paying attention to the rear of the vehicle. Here are the specific details: Finding a reference point: When encountering oncoming traffic, the right side of the vehicle should ideally be 30 centimeters away from the solid line on the right. The method is similar to pulling over to the side of the road. For example, take a prominent point on the windshield wiper as a reference. When this point aligns with the solid line on the right, the distance between the vehicle and the line is approximately 30 centimeters. Additionally, any noticeable point on the vehicle can be used as a reference. Since each driver's height and viewing angle differ, the reference point may vary. Shifting to a lower gear in advance: When performing the oncoming traffic maneuver, immediately apply the brakes to reduce speed and shift to a lower gear beforehand. During oncoming traffic, attention is primarily focused on observing distance and adjusting direction. Most learners should avoid simultaneously steering and shifting gears during this maneuver. Watching the rear of the vehicle: This means paying attention to the rear of the oncoming vehicle to avoid unexpected obstacles. When the oncoming traffic is nearly completed and the rear of the oncoming vehicle is not yet visible in the rearview mirror, be cautious when turning, as there is a high risk of a collision.
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