Highway 26 Shiniu Creek Road Collapse Under One-Lane Two-Way Control; Later Taitung-Lanyu Flights Cancelled — Transport Watch Continues
Original Chinese title: 台26石牛溪路面塌陷單線雙向管制；蘭嶼末班往返亦取消，維持 transport / watch
As of 19:51 on September 2, the Highway Bureau reports that the Shiniu Creek section of Provincial Highway 26 in Kenting has worsened from road cracking to a road-surface collapse after consecutive heavy rain. All southbound lanes and the northbound inner lane are closed, with the northbound outer lane carrying one-lane two-way traffic. This is classified as transport / watch for an adjacent access road serving southern Pingtung Indigenous areas, not red. Taitung Airport's 19:52 real-time data also confirms continuing Taitung-Lanyu cancellations, including DA7511 from Taitung to Lanyu and DA7512 from Lanyu to Taitung. Lanyu remains transport / watch. The Central Weather Administration heavy/torrential-rain advisory page currently shows no active county entry, and debris-flow and large-scale-landslide red/yellow alert counts remain zero. Overall status remains watch, with no yellow or red.
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19:51 Update: Highway 26 Shiniu Creek Road Collapse Under One-Lane Two-Way Control; Later Lanyu Flights Cancelled
Information time: September 2, 2026, 19:51.
Official sources: Highway Bureau South Region Branch; Civil Aeronautics Administration Taitung Airport; Central Weather Administration; Agency of Rural Development and Soil and Water Conservation; Directorate-General of Personnel Administration; Forestry and Nature Conservation Agency; Water Resources Agency; and relevant local-authority notices.
Latest material change: The Highway Bureau South Region Branch announced on September 2 that, after consecutive heavy rain across the Hengchun Peninsula, the Shiniu Creek section of Provincial Highway 26 in Kenting has worsened from road cracking to a road-surface collapse. All southbound lanes and the northbound inner lane are closed; the northbound outer lane is carrying one-lane two-way controlled traffic. This brief classifies the incident as `transport / watch` for an adjacent access road serving southern Pingtung Indigenous areas. It does not describe all roads in Shizi, Mudan or other Indigenous townships as interrupted, and it is not classified as `red`. Taitung Airport's 19:52 real-time flight information also confirms continued cancellations on the Taitung-Lanyu route, including DA7511 from Taitung to Lanyu at 15:50 and DA7512 from Lanyu to Taitung at 16:45. Lanyu therefore remains `transport / watch`. The airport does not state the cause of each individual cancellation, so this brief does not infer one.
North: Wulai, Fuxing, Jianshi, Wufeng, Nanzhuang and Tai'an remain `monitoring`. No new threshold-level official change was identified for heavy rain, severe thunderstorm, level-one inundation, slope-alert escalation, Indigenous-area road interruption, evacuation, shelter activation, work/class suspension, transport suspension, major agricultural-loss risk, or major public-service interruption.
Central: Heping, Ren'ai, Xinyi and Alishan remain `monitoring`. No new threshold-level official change was identified.
South: The Central Weather Administration heavy/torrential-rain advisory page currently shows no active county entry. The Agency of Rural Development and Soil and Water Conservation's 06:30 fifth report remains at zero debris-flow red alerts, zero debris-flow yellow alerts, zero large-scale-landslide red alerts and zero large-scale-landslide yellow alerts. The Highway 26 Shiniu Creek road collapse is under one-lane two-way control and is classified as an adjacent southern-Pingtung Indigenous-area `transport / watch`. Existing `public-service / watch` controls continue for forest sites affecting Taiwu, Chunri, the Sandimen/Maolin border, Shizi and Mudan. The Directorate-General of Personnel Administration's 19:19 update still lists Shiwen Village in Chunri Township as closed for work and classes on September 2, so it remains `work-school / watch`. Existing South Cross-Island Highway restrictions affecting Kaohsiung Taoyuan and Taitung Haiduan remain `transport / watch`.
East: Datong and Nan'ao in Yilan and Xiulin, Wanrong and Zhuoxi in Hualien remain `monitoring`. Existing forest-site `public-service / watch` conditions continue in Beinan, Haiduan and Dawu, while Haiduan also retains the South Cross-Island Highway `transport / watch`. Taitung Airport's 19:52 information confirms that later Taitung-Lanyu services remained cancelled, so Lanyu remains `transport / watch`. No new eastern Indigenous-area debris-flow or large-scale-landslide red/yellow alert or level-one inundation alert was identified.
Alert level: The site's overall status remains `watch`. The Highway 26 Shiniu Creek incident is `transport / watch` for an adjacent southern-Pingtung Indigenous-area road, and Lanyu remains `transport / watch`. Debris-flow and large-scale-landslide red/yellow alert counts remain zero. There is no `yellow` and no `red` in this scan.
Recommended action: Drivers in southern Pingtung should follow on-site one-lane two-way traffic control and slow down through the Highway 26 Shiniu Creek work zone. Lanyu travelers should check the latest Taitung Airport and airline information before departure. Existing forest-site, Shiwen Village and South Cross-Island Highway controls should follow the competent authorities' notices. Official notices govern.
15:51 Update: Multiple Taitung-Lanyu Flights Cancelled; Lanyu Added to Transport Watch
Information time: September 2, 2026, 15:51.
Official sources: Civil Aeronautics Administration Taitung Airport and Lanyu Airport real-time flight information; Central Weather Administration; Agency of Rural Development and Soil and Water Conservation; Directorate-General of Personnel Administration; Forestry and Nature Conservation Agency; Highway Bureau; Water Resources Agency; and relevant local-authority notices.
Latest material change: Multiple Daily Air services on the Taitung-Lanyu route were marked cancelled, affecting both directions. Lanyu was therefore added as `transport / watch`. The official airport pages did not state the cause for each cancelled service, so this brief did not infer a specific cause and did not classify the situation as red.
North: Wulai, Fuxing, Jianshi, Wufeng, Nanzhuang and Tai'an remained `monitoring`.
Central: Heping, Ren'ai, Xinyi and Alishan remained `monitoring`.
South: No heavy/torrential-rain county alert was active at that time, and debris-flow and large-scale-landslide red/yellow alert counts were zero. Existing Pingtung forest-site controls, Shiwen Village's work/class suspension, and the Taoyuan-Haiduan South Cross-Island Highway restriction remained on watch.
East: Existing forest-site watches continued in Beinan, Haiduan and Dawu; Lanyu was added as `transport / watch` because of multiple flight cancellations.
Alert level: Overall `watch`; no `yellow` and no `red`.
Official notices govern.
08:05 Update: Liugui's 13 Debris-Flow Yellow Alerts Cleared; Indigenous Forest Sites and Shiwen Village Remain on Watch
Information time: September 2, 2026, 08:05.
Official sources: Central Weather Administration; Agency of Rural Development and Soil and Water Conservation; Forestry and Nature Conservation Agency Pingtung Branch and Taitung Branch; Directorate-General of Personnel Administration; Highway Bureau; Water Resources Agency; and relevant local-authority notices.
Latest material change: The 06:30 fifth report cleared the previous 13 debris-flow yellow alerts in Liugui District. The updated counts were zero debris-flow red/yellow alerts and zero large-scale-landslide red/yellow alerts. Liugui therefore returned from `yellow` to `monitoring`; the earlier yellow status was not applied as `red` to Taoyuan, Namasia, Maolin or any other Indigenous area.
Nationwide regional scan: Wulai, Fuxing, Jianshi, Wufeng, Nanzhuang and Tai'an in the north remained `monitoring`; Heping, Ren'ai, Xinyi and Alishan in central Taiwan remained `monitoring`; Pingtung forest-site controls, Shiwen Village's work/class suspension and the Taoyuan-Haiduan South Cross-Island Highway restriction remained on `watch`; forest sites in Beinan, Haiduan and Dawu remained `public-service / watch`.
Water and alert level: No level-one inundation alert was active. Debris-flow and large-scale-landslide red/yellow alert counts were zero. Overall site status remained `watch`, with no `yellow` and no `red`.
Official notices govern.
04:03 Update: Heavy/Torrential Rain Advisory Lifted; Liugui Yellow and Indigenous Forest-Site Controls Continued
Information time: September 2, 2026, 04:03.
Official sources: Central Weather Administration; Agency of Rural Development and Soil and Water Conservation; Forestry and Nature Conservation Agency; Directorate-General of Personnel Administration; Highway Bureau; Water Resources Agency; and relevant local-authority notices.
Latest material change: The Central Weather Administration heavy/torrential-rain advisory had been lifted, returning the previous northern, Yilan, southern and Taitung `weather / watch` areas to `monitoring`. At that time, the Agency of Rural Development and Soil and Water Conservation's 00:30 fourth report still listed 13 debris-flow yellow alerts in Liugui, with zero debris-flow red alerts and zero large-scale-landslide red/yellow alerts. Liugui therefore remained `yellow`, not `red` for neighboring Indigenous areas.
Existing watches: Forest-site controls remained `public-service / watch` for affected areas in Pingtung; Shiwen Village remained under the September 2 work/class suspension; forest sites in Beinan, Haiduan and Dawu and the Taoyuan-Haiduan South Cross-Island Highway restriction continued. The earlier Highway 7A 61K tree-fall event in Heping had returned to normal traffic and was no longer carried as a transport alert.
Water and alert level: Mudan Reservoir release information was not a level-one inundation alert and not `red`. Overall status remained `watch`, Liugui remained `yellow`, and there was no red alert.
Official notices govern.
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This English translation is based on the Traditional Chinese emergency brief and official updates from the Highway Bureau South Region Branch, Taitung Airport, Central Weather Administration, Agency of Rural Development and Soil and Water Conservation, Forestry and Nature Conservation Agency, Directorate-General of Personnel Administration, Water Resources Agency, and relevant local authorities. It does not replace official notices.