单选题 · 选择一个答案
At night, how must your stopping distance relate to the clear road you can see ahead?
夜间驾驶时，停车距离必须与前方看得清且无障碍的道路距离满足什么关系？
At night, choose a speed that lets you stop within the clear road visible ahead on a laned road, and within half that distance on a road without lanes.
夜间应选择能及时停车的车速：划分车道的道路须能在前方看得清且无障碍的道路距离内停车；未划分车道时，须能在该距离的一半内停车。
阅读相关知识
If visibility or grip is reduced, slow further as needed. The posted maximum does not guarantee a safe speed. This is a stopping-distance rule, not the two-second following-gap rule.
能见度或轮胎抓地力降低时，应按需要进一步减速。标示最高限速不代表当时一定安全。这是停车距离要求，不是判断跟车间隔的两秒规则。