Traffic laws, one question per day, 20180129

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When driving a motor vehicle on an expressway under weather conditions with low visibility such as fog, rain, snow, dust storms, or hail, when the visibility is below 100 meters, what should be the maximum speed in kilometers per hour, and what minimum distance should be maintained from the vehicle ahead in the same lane? A、40, 50 B、40, 40 C、50, 40 D、50, 30 Answer: A Analysis: When visibility is less than 200 meters, fog lights, low-beam headlights, position lights, and front and rear lights must be turned on. The speed limit is 60 kilometers per hour, and a distance of at least 100 meters must be maintained from the vehicle ahead in the same lane ； When visibility is less than 100 meters, turn on the fog lights, low-beam headlights, position lights, front and rear lights, as well as the hazard warning flashers. The speed must not exceed 40 kilometers per hour, and a distance of at least 50 meters should be maintained from the vehicle ahead in the same lane ； When visibility is less than 50 meters, turn on the fog lights, low-beam headlights, position lights, front and rear lamps, as well as the hazard warning flashers. The speed must not exceed 20 kilometers per hour, and the driver should exit the highway as soon as possible via the nearest exit. Answer: A. Analysis: When visibility is less than 200 meters, fog lights, low-beam headlights, position lights, and front and rear lamps must be turned on. The speed limit is 60 kilometers per hour, and a distance of at least 100 meters must be maintained from the vehicle ahead in the same lane ； When visibility is less than 100 meters, turn on the fog lights, low-beam headlights, position lights, front and rear lights, as well as the hazard warning flashers. The speed must not exceed 40 kilometers per hour, and a distance of at least 50 meters should be maintained from the vehicle ahead in the same lane ； When visibility is less than 50 meters, turn on the fog lights, low-beam headlights, position lights, front and rear lamps, as well as the hazard warning flashers. The speed must not exceed 20 kilometers per hour, and the driver should exit the highway as soon as possible via the nearest exit.