Why must hill-start parking be within 30 centimeters?

2 Answers
SanJesse
07/25/25 12:38am
The reason hill-start parking must be within 30 centimeters is: the vehicle should not be too close to the center of the road nor too close to the roadside, requiring the parking position to be in a reasonable state. Parking position: Before parking, carefully observe the intended parking spot, turn on the turn signal, slowly approach the parking space (avoid excessive speed), and monitor the situation around the vehicle to prevent collisions with pedestrians or other vehicles. Parking on slopes: If the parking spot has a significant slope, after exiting the vehicle, find a large stone or brick to place under the wheel to prevent rolling. When placing the stone or brick: for uphill parking, position it behind the wheel; for downhill parking, place it in front of the wheel.
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OJohnny
08/10/25 3:49pm
Having driven for decades, I've found that the requirement to park within 30 centimeters on a slope is mainly for driving safety. Imagine if you park too far from the roadside on a slope, your car might occupy the lane, and if a vehicle passes by quickly, it could hit you. Or when you start, the car might roll back uncontrollably. Parking too close is also problematic—the wheels rubbing against the curb can wear out the tires or even cause an accident. I remember once seeing a novice park off-center in a beginner's area, nearly rolling into the roadside ditch. This 30-centimeter standard comes from repeated practice, ensuring you park steadily, pass the test accurately, and stay safer on the road. In daily driving, develop the habit of practicing a few more times, aligning the rearview mirror with the curb, and gradually you'll master the distance.
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