When it is impossible to continue driving in an accident on the expressway in foggy days, turn on the double flashing warning light, park the vehicle in the rightmost emergency lane or emergency parking zone, turn on the taillight width indicator at night, and the drivers and passengers should immediately get off the bus and stand in a safe position outside the guardrail. One person should place a triangle warning sign at the rear of the vehicle about150m. Remember not to walk, chase or wait on the highway. You can't wait in a faulty vehicle. Call the police immediately.

Legal basis: Article 52 of the Road Traffic Safety Law of the People's Republic of China: When a motor vehicle breaks down on the road and needs to be stopped for troubleshooting, the driver should immediately turn on the danger warning flash and move the motor vehicle to a place that does not hinder traffic; If it is difficult to move, you should turn on the danger warning flash continuously, and take measures such as setting warning signs in the direction of incoming vehicles to expand the warning distance and call the police quickly if necessary.

Article 68 of the Road Traffic Safety Law of the People's Republic of China: If a motor vehicle breaks down on an expressway, it shall be handled in accordance with the relevant provisions of Article 52 of this Law; However, a warning sign should be set at a place150m away from the direction of the faulty vehicle, and the personnel on the vehicle should be quickly transferred to the right shoulder or emergency lane to give an alarm quickly. If a motor vehicle fails or has a traffic accident on the expressway and cannot run normally, it shall be towed by a rescue vehicle and a wrecker.

Article 72 of the Road Traffic Safety Law of the People's Republic of China: After receiving the traffic accident alarm, the traffic administrative department of the public security organ shall immediately send traffic police to the scene, first organize the rescue of the injured and take measures to restore traffic as soon as possible. The traffic police shall conduct an inquest and inspection on the scene of the traffic accident and collect evidence; Due to the need of collecting evidence, the accident vehicle may be detained, but it shall be properly kept for verification. The traffic administrative department of the public security organ shall entrust a specialized agency to conduct a professional inspection of the physical and mental condition of the parties. The appraisal conclusion shall be signed by the appraiser.

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