近期，影响我国的冷空气活动频繁。其中，10月12日至14日，受中等强度冷空气影响，华北、东北地区有明显降温，内蒙古东部、东北中北部有小到中雨雪或雨夹雪；15日至17日，受中等偏强冷空气影响，西北地区和中东部将出现一次较大范围的阴雨和降温天气过程，云南东南部、贵州东部、湖南西部等地的部分地区将有中雨；内蒙古东北部、东北地区的部分地区将出现雨转雪天气。秋冬季节气温变化明显，部分地区大雾天气频发，雾天高速公路行车时，大家尽量开启雾灯，减速慢行，并保持安全车距，如果能见度极低，最好是就近停靠服务区休息，等雾散后再上高速公路行驶。

recent,Effect on our country's cold air activity frequently.the,On October 12 to 14,Cold air influence by the moderate intensity,North China/Northeast China have obvious cooling,Eastern Inner Mongolia/There are small in north-central northeast to snow or sleet;15 to 17,,By medium partial strong cold air influence,Northwest area and the Middle East will appear a large range of rainy and cool weather process,Southeast yunnan/Eastern guizhou/The western hunan parts of will have the moderate rain;Northeastern Inner Mongolia/In the northeast part of the region will appear the rain turned the snow weather.Qiu dong season temperature changes obviously,The fog weather parts of frequent,Fog highway when driving,We try to open fog lamp,Slow down,And keep a safe distance,If the visibility is extremely low,It is best nearby dock service area rest,And after the fog dispersed in highway driving.

　　公路施工养护方面，10月12日至10月25日，江苏S244扬州市邗江境内路面进行养护维修施工，采取半幅封闭施工半幅通行措施，请过往车辆按施工标志依次通行，注意行车安全。10月15日至30日，重庆渝安高速公路开县境内铁峰山1号隧道内因安装LED灯具，将相继封闭左右线车道。G105安徽阜阳市南照淮河大桥因伸缩缝维修工程需要，为确保工程质量和施工安全，从10月14日起对该桥实行封闭施工，预计12月10日恢复正常通行，施工期间，过往车辆可绕行G35济广高速公路、S12滁新高速公路或S328行驶。另外，广昆高速公路广西百色市那坡二号高架桥因伸缩缝更换需要，从10月11日至21日采取半幅封闭半幅双向通行措施，请过往车辆按指示牌标志有序通行。交通运输部路网中心 供稿

Highway construction in maintenance,On October 12, to October 25,,Jiangsu S244 yangzhou HanJiang domestic pavement maintenance maintenance construction,Take half of closed construction half amplitude passing measures,Please according to construction passing vehicles in traffic signs,Pay attention to traffic safety.October 15 to 30,,Chongqing, chongqing kaixian county highway domestic iron peak mountain 1 tunnel internal installation LED lamps and lanterns,Will have closed or so lane.G105 anhui fuyang city south as huai river bridge because of the expansion joint maintenance engineering need,In order to ensure the engineering quality and construction safety,From October 14 in the bridge construction closed,On December 10th, is expected to return to normal passage,During construction,Passing vehicles can circumvent G35 wide jiqing expressway/S12 Chu new highway or S328 driving.In addition,The broad highway guangxi baise that slope no.2 viaduct for expansion joint replacement need,From October 11, to 21 take half of closed half of bidirectional passage measures,Please passing vehicles according to the sign mark ordered passage.The traffic department of transportation network center contributors