
国土交通省は6日、記録的大雨によるアンダーパスの冠水事故を受け、冠水リスクの特に高い箇所に遠隔遮断機を設置し、警戒レベル4相当の防災気象情報発表時や1時間雨量が一定量に達した場合に事前通行規制を行う指針を公表した。井林辰憲国交相は実効性のある対策を速やかに講じる旨述べた。
AI-generated summary
8月の千葉豪雨などでアンダーパスの冠水による死者が相次いだことを受け、国土交通省は全国のアンダーパスの冠水リスクを4段階に分け、特に高いリスク箇所では遠隔遮断機の設置と予防的な通行規制を求める指針を公表した。
国土交通省は6日、全国の道路や鉄道の下をくぐる「アンダーパス」について、冠水リスクの特に高い箇所に遠隔遮断機を設置し、一定以上の大雨の際に事前通行規制を行う方針を盛り込んだ指針を公表した。8月の千葉豪雨などでアンダーパスの冠水による死者が相次いだことから、対策を強化する。
17都県で住宅被害2700棟超 一連の記録的大雨、死者1人も―消防庁
自治体など道路管理者向けにまとめた指針によると、全国のアンダーパスの冠水リスクを4段階に分け、それぞれの道路管理者がどの区分に該当するか判断。過去に人的・物的被害が出るなど「特に高い冠水リスク箇所」では、遠隔遮断機の設置を求める。警戒レベル4相当の防災気象情報が発表された時や、予測を含め1時間雨量が一定量に達した場合は、予防的な事前通行規制を実施するとした。
また、排水設備などに異常が起きた場合に、通行規制や車両進入防止対策を行うことも明記した。
井林辰憲国交相は閣議後記者会見で、「関係機関と連携しながらアンダーパスの冠水事故の防止に向け、実効性のある対策を速やかに講じる」と述べた。
AI outlook — possibilities, not facts
特に高い冠水リスク箇所での遠隔遮断機設置が進む
Likely · Within months
警戒レベル4相当の防災気象情報発表時にアンダーパスの事前通行規制が実施される
Very likely · Within weeks

Forest fires in Indonesia's Kalimantan Island and other areas are becoming more serious, with the main causes being burning for land clearing and dryness caused by the El Niño phenomenon. Approximately 900,000 hectares have been burned so far this year, and the haze is causing air pollution and health problems in Malaysia and Singapore. Both countries offered support and requested stronger measures, and ASEAN began talks.

The 31st Conference of the Parties to the United Nations Framework Convention on Climate Change (COP31) to combat global warming will be held in Antalya, Turkey from November 9th. The main focus will be on achieving the 1.5 degrees Celsius target, accelerating greenhouse gas reductions, and strengthening support for developing countries.

A weather summary for September released by the Japan Meteorological Agency on the 1st revealed that due to the effects of typhoons and autumn rain fronts, precipitation on the Pacific side of eastern Japan was 236% of normal levels, the highest since statistics began in 1946.

On September 30, the European Union's Copernicus Atmospheric Monitoring Service announced that from January to August 2026, about 40% of the world's population was exposed to ground-level ozone, which is harmful to health. The combination of extreme heat and anthropogenic air pollution has caused concentrations to rise, with 60% of the population in Asia in particular exposed to ``extremely bad'' levels, reaching 90% if you include bad and very bad levels.

On the 28th, Environment Minister Hiroyoshi Sasakawa expressed his intention to support local governments that introduce bear tracking using AI and drones as a countermeasure against bear damage. He also stated that he would work to foster public understanding through national park visitor centers in order to expand the recycling of soil decontaminated from the Fukushima Daiichi nuclear power plant accident.

On the 24th, Chiba Prefecture announced that 884 homes, both above and below the floors, were damaged by flooding due to the heavy rains caused by Typhoon No. 25. In the area around Inbanuma, levees have burst and floods have occurred, and drainage work has not been able to keep up and there are areas where the water is not receding.