{"schema_version":1,"latest_checked_at":"2026-10-03T15:31:26+09:00","oldest_checked_at":"2026-09-27T22:22:41+09:00","areas":[{"id":"chiba","name":"千葉市","municipality_code":"12100","source_ids":["chiba-road-closures","chiba-pref-hq-meeting-5"],"last_checked_at":"2026-10-03T01:48:55+09:00"},{"id":"choshi","name":"銚子市","municipality_code":"12202","source_ids":["choshi-road-closures"],"last_checked_at":"2026-10-03T13:09:57+09:00"},{"id":"ichikawa","name":"市川市","municipality_code":"12203","source_ids":["ichikawa-road-closures"],"last_checked_at":"2026-10-03T01:49:11+09:00"},{"id":"funabashi","name":"船橋市","municipality_code":"12204","source_ids":["funabashi-road-closures"],"last_checked_at":"2026-10-03T01:49:20+09:00"},{"id":"tateyama","name":"館山市","municipality_code":"12205","source_ids":[],"last_checked_at":"2026-10-03T01:49:23+09:00","status":{"kind":"no-closures","checked_at":"2026-10-03T01:49:23+09:00","pages":["https://www.city.tateyama.chiba.jp/kurashi/cate00378.html"],"note":"市の「通行止め情報」のページは「現在、通行止めとなっている区間はありません。」だけ"}},{"id":"kisarazu","name":"木更津市","municipality_code":"12206","source_ids":["kisarazu-road-closures","kisarazu-forest-road-closures"],"last_checked_at":"2026-10-03T01:49:27+09:00"},{"id":"matsudo","name":"松戸市","municipality_code":"12207","source_ids":[],"last_checked_at":"2026-10-03T01:49:36+09:00","status":{"kind":"no-closures","checked_at":"2026-10-03T01:49:36+09:00","pages":["https://www.city.matsudo.chiba.jp/shisei/matsudo_kouhou/news-backnumber/2026kamiki.files/1221.pdf"],"note":"市の災害情報（まつどニュース【災害情報】）に道路の通行止めの記載がなく、ほかに市道の通行止めの一覧は見つからない"}},{"id":"noda","name":"野田市","municipality_code":"12208","source_ids":["noda-road-closures"],"last_checked_at":"2026-10-03T01:49:43+09:00"},{"id":"mobara","name":"茂原市","municipality_code":"12210","source_ids":["mobara-road-closures","mobara-road-closures-2"],"last_checked_at":"2026-10-03T03:07:50+09:00"},{"id":"narita","name":"成田市","municipality_code":"12211","source_ids":["narita-road-closures"],"last_checked_at":"2026-10-03T01:50:14+09:00"},{"id":"sakura","name":"佐倉市","municipality_code":"12212","source_ids":["sakura-road-closures"],"last_checked_at":"2026-10-03T01:50:21+09:00"},{"id":"togane","name":"東金市","municipality_code":"12213","source_ids":["togane-road-closures"],"last_checked_at":"2026-10-03T01:50:31+09:00"},{"id":"asahi","name":"旭市","municipality_code":"12215","source_ids":["asahi-road-closures"],"last_checked_at":"2026-10-03T13:10:00+09:00"},{"id":"narashino","name":"習志野市","municipality_code":"12216","source_ids":[],"last_checked_at":"2026-09-27T17:30:43+09:00","status":{"kind":"all-lifted","checked_at":"2026-09-27T17:30:43+09:00","pages":["https://www.city.narashino.lg.jp/kinkyu/32073.html"],"note":"市のページ「道路冠水等による通行止め」（2026-09-24 更新）：台風第25号による道路の通行止めは 9 月 24 日正午にすべて解除"}},{"id":"kashiwa","name":"柏市","municipality_code":"12217","source_ids":["kashiwa-road-closures"],"last_checked_at":"2026-10-03T01:50:50+09:00"},{"id":"katsuura","name":"勝浦市","municipality_code":"12218","source_ids":[],"last_checked_at":"2026-10-03T01:50:53+09:00","status":{"kind":"no-closures","checked_at":"2026-10-03T01:50:53+09:00","pages":["https://www.city.katsuura.lg.jp/site/bousai/1564.html"],"note":"市道の通行止めの情報は見つからない（国道・県道は JARTIC へのリンクだけ）"}},{"id":"ichihara","name":"市原市","municipality_code":"12219","source_ids":["ichihara-road-closures"],"last_checked_at":"2026-10-03T01:50:56+09:00"},{"id":"nagareyama","name":"流山市","municipality_code":"12220","source_ids":[],"last_checked_at":"2026-10-03T01:51:13+09:00","status":{"kind":"no-closures","checked_at":"2026-10-03T01:51:13+09:00","pages":["https://www.city.nagareyama.chiba.jp/"],"note":"市のトップページ・防災・道路のページに、市道の通行止めの情報は見つからない"}},{"id":"yachiyo","name":"八千代市","municipality_code":"12221","source_ids":["yachiyo-road-closures"],"last_checked_at":"2026-10-03T01:51:20+09:00"},{"id":"abiko","name":"我孫子市","municipality_code":"12222","source_ids":["abiko-road-closures"],"last_checked_at":"2026-10-03T13:10:03+09:00"},{"id":"kamogawa","name":"鴨川市","municipality_code":"12223","source_ids":["kamogawa-road-closures"],"last_checked_at":"2026-10-03T01:51:39+09:00"},{"id":"kamagaya","name":"鎌ケ谷市","municipality_code":"12224","source_ids":["kamagaya-road-closures"],"last_checked_at":"2026-09-27T22:22:41+09:00"},{"id":"kimitsu","name":"君津市","municipality_code":"12225","source_ids":["kimitsu-road-closures"],"last_checked_at":"2026-10-03T01:51:55+09:00"},{"id":"urayasu","name":"浦安市","municipality_code":"12227","source_ids":[],"last_checked_at":"2026-10-03T01:52:08+09:00","status":{"kind":"no-closures","checked_at":"2026-10-03T01:52:08+09:00","pages":["https://www.city.urayasu.lg.jp/"],"note":"市のトップページ（重要なお知らせ・防災のお知らせ）に、道路の通行止めの情報は見つからない"}},{"id":"yotsukaido","name":"四街道市","municipality_code":"12228","source_ids":["yotsukaido-road-closures","yotsukaido-road-closures-2"],"last_checked_at":"2026-10-03T15:31:21+09:00"},{"id":"sodegaura","name":"袖ケ浦市","municipality_code":"12229","source_ids":["sodegaura-road-closures"],"last_checked_at":"2026-10-03T01:52:36+09:00"},{"id":"yachimata","name":"八街市","municipality_code":"12230","source_ids":["yachimata-road-closures"],"last_checked_at":"2026-10-03T01:52:46+09:00"},{"id":"inzai","name":"印西市","municipality_code":"12231","source_ids":["inzai-road-closures"],"last_checked_at":"2026-10-03T13:10:06+09:00"},{"id":"shiroi","name":"白井市","municipality_code":"12232","source_ids":["shiroi-road-closures"],"last_checked_at":"2026-10-03T03:08:18+09:00"},{"id":"tomisato","name":"富里市","municipality_code":"12233","source_ids":["tomisato-road-closures"],"last_checked_at":"2026-10-03T01:53:24+09:00"},{"id":"minamiboso","name":"南房総市","municipality_code":"12234","source_ids":["minamiboso-road-closures","chiba-pref-hq-meeting-5"],"last_checked_at":"2026-10-03T01:49:01+09:00"},{"id":"sosa","name":"匝瑳市","municipality_code":"12235","source_ids":[],"last_checked_at":"2026-10-03T01:53:47+09:00","status":{"kind":"no-closures","checked_at":"2026-10-03T01:53:47+09:00","pages":["https://www.city.sosa.lg.jp/page/page007540.html"],"note":"市道の通行止めのページ（page007525）は削除されていて（404）、被害状況のページに通行止めの場所の記載はない"}},{"id":"katori","name":"香取市","municipality_code":"12236","source_ids":[],"last_checked_at":"2026-10-03T01:53:54+09:00","status":{"kind":"no-closures","checked_at":"2026-10-03T01:53:54+09:00","pages":["https://www.city.katori.lg.jp/living/anzen_anshin/saigai_kanren_joho/index.html"],"note":"市の「災害に関する情報」・交通と道路のページに、市道の通行止めの情報は見つからない"}},{"id":"sammu","name":"山武市","municipality_code":"12237","source_ids":["sammu-road-closures"],"last_checked_at":"2026-10-03T15:31:16+09:00"},{"id":"oamishirasato","name":"大網白里市","municipality_code":"12239","source_ids":["oamishirasato-road-closures"],"last_checked_at":"2026-10-03T01:54:16+09:00"},{"id":"shisui","name":"酒々井町","municipality_code":"12322","source_ids":["shisui-road-closures"],"last_checked_at":"2026-10-03T13:10:19+09:00"},{"id":"sakae","name":"栄町","municipality_code":"12329","source_ids":[],"last_checked_at":"2026-09-27T17:31:15+09:00","status":{"kind":"all-lifted","checked_at":"2026-09-27T17:31:15+09:00","pages":["https://www.town.sakae.chiba.jp/bousai-saigai/jouhou-mail/kotsu/page008528.html"],"note":"町のページ（2026-09-23 10:48 配信）：冠水のため通行止めにしていた北地先の町道の一部（アンダーパス）は 9 月 23 日 10:30 に解除"}},{"id":"kozaki","name":"神崎町","municipality_code":"12342","source_ids":[],"last_checked_at":"2026-10-03T01:54:55+09:00","status":{"kind":"no-closures","checked_at":"2026-10-03T01:54:55+09:00","pages":["https://www.town.kozaki.chiba.jp/"],"note":"町のトップページの新着に、町道の通行止めの情報は見つからない"}},{"id":"tako","name":"多古町","municipality_code":"12347","source_ids":["tako-road-closures"],"last_checked_at":"2026-10-03T01:55:01+09:00"},{"id":"kujukuri","name":"九十九里町","municipality_code":"12403","source_ids":[],"last_checked_at":"2026-10-03T01:55:08+09:00","status":{"kind":"no-closures","checked_at":"2026-10-03T01:55:08+09:00","pages":["https://www.town.kujukuri.chiba.jp/emergencyinfo/0000000090.html"],"note":"町の緊急情報「令和8年9月台風第25号に関する情報」は支援制度などへのリンクだけで、道路の通行止めの記載はない"}},{"id":"shibayama","name":"芝山町","municipality_code":"12409","source_ids":["shibayama-road-closures"],"last_checked_at":"2026-10-03T01:55:11+09:00"},{"id":"yokoshibahikari","name":"横芝光町","municipality_code":"12410","source_ids":[],"last_checked_at":"2026-10-03T01:55:17+09:00","status":{"kind":"no-closures","checked_at":"2026-10-03T01:55:17+09:00","pages":["https://www.town.yokoshibahikari.chiba.jp/soshiki/5/29442.html"],"note":"町の被害報告は件数だけで、通行止めの場所の記載はない"}},{"id":"ichinomiya","name":"一宮町","municipality_code":"12421","source_ids":[],"last_checked_at":"2026-10-03T01:55:21+09:00","status":{"kind":"no-closures","checked_at":"2026-10-03T01:55:21+09:00","pages":["https://www.town.ichinomiya.chiba.jp/kinkyu/emergency/"],"note":"町の緊急災害情報に、通行止めの記載はない"}},{"id":"mutsuzawa","name":"睦沢町","municipality_code":"12422","source_ids":["mutsuzawa-road-closures"],"last_checked_at":"2026-10-03T13:10:23+09:00"},{"id":"chosei","name":"長生村","municipality_code":"12423","source_ids":[],"last_checked_at":"2026-10-03T01:55:31+09:00","status":{"kind":"all-lifted","checked_at":"2026-10-03T01:55:31+09:00","pages":["https://www.vill.chosei.chiba.jp/0000002818.html"],"note":"村のページ「【解除済】【緊急情報】冠水による通行止め箇所」（2026-09-22 更新）：冠水による村道の通行止め 3 か所（村道2－10号線・村道3266号線ほか・村道1－16号線）はすべて「解除しました」"}},{"id":"shirako","name":"白子町","municipality_code":"12424","source_ids":[],"last_checked_at":"2026-10-03T01:55:38+09:00","status":{"kind":"no-closures","checked_at":"2026-10-03T01:55:38+09:00","pages":["https://www.town.shirako.lg.jp/0000004327.html"],"note":"町の被害集計情報に、台風25号の通行止めの記載はない"}},{"id":"nagara","name":"長柄町","municipality_code":"12426","source_ids":["nagara-road-closures","chiba-pref-road-regulation"],"last_checked_at":"2026-10-03T01:50:35+09:00"},{"id":"chonan","name":"長南町","municipality_code":"12427","source_ids":["chonan-road-closures"],"last_checked_at":"2026-10-03T01:56:05+09:00"},{"id":"otaki","name":"大多喜町","municipality_code":"12441","source_ids":["otaki-road-closures"],"last_checked_at":"2026-10-03T01:56:09+09:00"},{"id":"onjuku","name":"御宿町","municipality_code":"12443","source_ids":[],"last_checked_at":"2026-10-03T01:56:23+09:00","status":{"kind":"no-closures","checked_at":"2026-10-03T01:56:23+09:00","pages":["https://www.town.onjuku.chiba.jp/top.html"],"note":"町のトップページの新着に、災害による通行止めの情報はない（「砂丘橋の全面通行止め」は工事によるもの）"}},{"id":"kyonan","name":"鋸南町","municipality_code":"12463","source_ids":[],"last_checked_at":"2026-10-03T01:56:26+09:00","status":{"kind":"no-closures","checked_at":"2026-10-03T01:56:26+09:00","pages":["https://www.town.kyonan.chiba.jp/"],"note":"町のトップページの新着に、町道の通行止めの情報はない（県道の長狭街道の通行止めに伴う循環バスの案内だけ）"}}],"sources":[{"id":"togane-road-closures","name":"東金市 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