What measures should the traffic police take when they are on duty in expressway in bad weather?

(1) Report road information quickly, including the regional scope, visibility and traffic volume of bad weather such as fog, rain, snow and ice;

(two) according to the road conditions and the requirements of the superior, take measures such as issuing warning cards, interval release, speed limit, patrol reminder, and guiding police cars to speed limit;

(three) strengthen patrol, timely find and deal with traffic accidents, to prevent the occurrence of secondary traffic accidents;

(four) when the expressway is closed, it is necessary to release warning information by setting up bypass warning signs, electronic display screens or variable information boards, and traffic broadcasts. The vehicle diversion should be carried out at the station in front of the closed road section in expressway, and the traffic police should direct and guide the diversion.