Traffic Control Measures for the Eastern Section of the Central Cross-Island Highway (Provincial Highway 8) (Dayuling–Taroko) – September 2026

Following the April 3, 2024 earthquake, the Taroko Maintenance Office of the Eastern Region Branch, Highway Bureau, has continued emergency repair and reconstruction works while taking into consideration the transportation needs of local industries and road users. Every month, representatives of residents from the Greater Tianxiang area, industry associations, businesses, government agencies, and geotechnical engineering consultants familiar with the Central Cross-Island Highway are invited to jointly discuss and establish traffic control measures for the following month.

Following the meeting held on August 27, 2026, the traffic control measures for September 2026 are as follows:
1. Guanyuan – Tianxiang
Provincial Highway 8 (114.6 km – 167.1 km)

(1) Traffic Opening Hours

Two-way traffic is permitted daily from 06:30 to 16:30.

Traffic Control Points:

    West End: Guanyuan, in front of Hehuan Police Station (114.6 km)
    East End: Tianxiang (167.1 km)

(2) Road Clearance Period

16:30–18:30 daily

No vehicles may enter the controlled section. Vehicles already inside the section may exit only.

(3) Nighttime Closure

18:30–06:30 the following day

The road is closed nightly.

(4) Construction Control Sections

    At 112.6 km (Dayuling Section) and 116.5 km (Guanyuan Section), traffic will generally be released once every hour.

    At 147 km (Hualu Creek Section) and 157.7 km (Horan Pavilion Section), traffic control will be coordinated with the five scheduled traffic release periods at the Tianxiang end, as far as possible, to minimize waiting time for road users.

2. Tianxiang – Taroko Entrance
Provincial Highway 8 (167.7 km – 184.5 km)

(1) Traffic Opening Hours

Two-way traffic is permitted during five scheduled traffic release periods between 06:30 and 18:00:

    06:30–08:00
    10:00–10:05
    12:00–13:00
    15:00–15:05
    17:00–18:00

Traffic Control Points:

    West End: West side of Lushui Shuiwen Bridge (169.5 km)
    East End: East portal of Shakadang Tunnel

(2) Road Clearance Period

18:00–18:30 daily

No vehicles may enter the controlled section. Vehicles already inside the section may exit only.

(3) Nighttime Closure

18:30–06:30 the following day

The road is closed nightly.

Traffic Control Points:

    West End: Tianxiang (167.7 km)
    East End: East portal of Shakadang Tunnel and Taroko Entrance (184.5 km)

(4) Construction Control Sections

The following seven construction zones will follow the five scheduled traffic release periods or implement temporary traffic control depending on construction conditions:

    170.5 km – Cimu Bridge
    172.2 km – West Portal of Jiuqudong Tunnel
    173.5 km – East Portal of Jiuqudong Tunnel
    174.9 km – East Portal of Zhuilu Tunnel
    175.5 km – West Portal of Jinheng Tunnel
    179 km – Xipan Section
    180.5 km – West End of Ning'an Bridge

During each scheduled traffic release period, the above construction zones will coordinate with one another. As a general principle, all vehicles that have arrived and are waiting at either end of a construction zone before the scheduled release will be allowed to pass through before construction traffic control resumes.

(5) Traffic Diversion

The section between Taroko Entrance and Changchun Tunnel continues to operate under traffic diversion measures.

Westbound (Taroko → Tianxiang):
Shakadang Tunnel (Taroko National Park Headquarters) → Xila'an Tunnel → Changchun Tunnel (Provincial Highway 8) → Tianxiang

Eastbound (Tianxiang → Taroko):
Provincial Highway 8 → Changchun Tunnel → Taroko Entrance
3. Other Temporary or Mobile Construction Areas

Other temporary or mobile construction works, such as asphalt pavement milling and resurfacing, will be scheduled in coordination with nearby construction zones and the traffic release periods at Guanyuan, Tianxiang, and Taroko Entrance.

To minimize impacts on road users, short-duration traffic controls may be implemented as needed, or separate traffic control measures will be announced in advance.
4. Adjusted Traffic Control Measures for the Mid-Autumn Festival Holiday

To meet increased transportation demand during the Mid-Autumn Festival long weekend, traffic control measures will be adjusted from September 25 (Friday) through September 28 (Monday), 2026, as follows:
(1) Guanyuan – Tianxiang
Provincial Highway 8 (114.6 km – 167.1 km)

1. Traffic Opening Hours:
Two-way traffic is permitted daily from 06:30 to 16:30.

2. Road Clearance Period:
16:30–18:00 daily

No vehicles may enter the controlled section. Vehicles already inside the section may exit only.

3. Nighttime Closure:
18:30–06:30 the following day

The road is closed nightly.
(2) Tianxiang – Taroko
Provincial Highway 8 (167.1 km – 184.5 km)

1. Traffic Opening Hours:
Two-way traffic is permitted daily from 06:30 to 18:00.

2. Road Clearance Period:
18:00–18:30 daily

No vehicles may enter the controlled section. Vehicles already inside the section may exit only.

3. Nighttime Closure:
18:30–06:30 the following day

The road is closed nightly.

4. Resumption of Regular Traffic Control:
Starting September 29 (Tuesday), 2026, the regular five scheduled traffic release periods will resume.
Travel Advisory

The Taroko Maintenance Office particularly reminds motorists traveling between Dayuling and Taroko Entrance (approximately 74 km) to plan their journeys carefully according to the traffic control schedule.

Eastbound (Dayuling → Taroko):
Drivers are advised to arrive at Tianxiang no later than 17:00 in order to catch the final traffic release period from 17:00 to 18:00 at Tianxiang.

Westbound (Taroko → Dayuling):
Drivers are advised to pass through the traffic control station at the east portal of Shakadang Tunnel by 15:00 to avoid being unable to pass the Guanyuan control point before the nighttime road closure at 18:30.

The eastern section of the Central Cross-Island Highway (Provincial Highway 8) continues to undergo emergency repair and reconstruction works for slopes, roadbeds, and pavement damaged by the earthquake and subsequent typhoons.

Traffic release periods may be delayed or cancelled due to adverse weather conditions or unexpected incidents. Motorists are advised to plan their journeys carefully and make contingency arrangements. Please monitor weather forecasts and the latest road traffic control and road accessibility information.

For the latest road information, motorists are encouraged to use the Highway Bureau Smart Provincial Highway Real-time Information Service or download the Happy Highway App, and listen to highway traffic broadcasts for updates.

The Highway Bureau wishes everyone a safe journey.

Responsible Unit: Taroko Maintenance Office

Road Information Hotline: +886-3-9962683

Contact Person: Section Chief Chang Pei-Yun (+886-3-8610775)

Last Updated: September 23, 2026

For the latest highway information, please contact the Taroko Maintenance Office.
Management Authority

For information regarding the Central Cross-Island Highway (Provincial Highway 8), please contact:

Taroko Maintenance Office: +886-3-8610775
Eastern Region Branch, Highway Bureau: +886-3-9962683
Update Notice

The above information is current as of September 23, 2026. Should any changes occur, please contact the management authority for the latest information.

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【Provincial Highway 14A】Central Cross-Island Highway Wushe Branch Line

Maintenance Work on Provincial Highway 14A

 

On the two-way section of Provincial Highway 14A from 24km to 32km, between Yuanfeng and the Mt. Hehuan Visitor Center, pavement leveling and removal of invasive plants and other maintenance work will be carried out across all lanes.

From September 21 to October 15, 2026, daily from 8:00 to 17:00, maintenance work will be conducted across all lanes. Mobile traffic control will be implemented at the work site.

No work will be carried out on weekends or national holidays. Road users are advised to slow down, wait patiently, and follow the instructions of traffic control personnel.

The Highway Bureau advises road users to pay attention to variable message signs along the road. The Traffic Control Center will provide updated traffic information and travel recommendations as needed.

For traffic diversion measures and real-time road conditions, please visit the Highway Bureau website, the Provincial Highway Real-Time Traffic Information website, or use the Happy Highway App. You may also call the Road User Service Hotline at 0800-231-035.

The Highway Bureau wishes you a safe journey.

Responsible Unit: Puli Maintenance Section, Central Region Branch Office, Highway Bureau
Road Conditions: 049-2982066
Contact: Section Chief Chiu Ping-Jung

For the latest Highway Bureau information, please contact the Highway Bureau.

Last Updated: September 23, 2026

Management Agencies

For the Central Cross-Island Highway Wushe Branch Road (Provincial Highway 14A), please contact:

Taroko Maintenance Section: 03-8610775
Puli Maintenance Section: 049-2982066
Update Information

Information is current as of September 23, 2026.
For any changes, please contact the management agencies for the latest information.

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Su-Hua Highway (Provincial Highway 9) Construction Traffic Control Information
Open / Construction Traffic Controls

1. Provincial Highway 9D, 9km+400 (Jiugongli Section)
Cross-drainage culvert and pavement improvement works

From September 10 to November 30, daily from 8:00 to 17:00, one-way alternating traffic control will be implemented.

2. Provincial Highway 9, 113km+500–123km+400 (Dong'ao–Nanao Section)
Steel beam transportation for the Matai'an River Bridge reconstruction project

From September 29 to October 6, daily from 23:20 to 01:30 the following day.
At 23:20, the northbound lane will be closed (control points: 123km+400 and 121km+800).
From 23:30 to 00:20, the entire road section will be closed. Traffic control and opening times may be adjusted depending on the arrival time of the vehicles at the road section. (Including holidays.)

3. Provincial Highway 9, 116km+100 (Dong'ao Section)
Slope trimming works

From September 14 to September 30, daily from 9:00 to 17:00, traffic will be subject to mobile control.

4. Provincial Highway 9, 120km+700 (Nanao Section)
Slope construction works

From September 21 to September 23 and from September 29 to October 2, daily from 8:00 to 17:00, one-way alternating traffic control will be implemented.

5. Provincial Highway 9D, 44km+300–44km+900 (Guanyin Section)
Undergrounding of Taipower utility poles

From September 18 to October 30, daily from 9:00 to 17:00, one-way alternating traffic control will be implemented.

6. Provincial Highway 9D, 60km+316–61km+156 (Heping Tunnel)
Tunnel lighting maintenance

From September 29 to October 7, daily from 20:00 to 05:00 the following day, one-way alternating traffic will be implemented.

7. Provincial Highway 9D, 61km+200–61km+550 (Heping Section)
Slope trimming works

From September 10 to October 7, daily from 8:00 to 17:00, one-way alternating traffic control will be implemented. However, two-way road closures may be implemented depending on on-site conditions and construction needs.

8. Provincial Highway 9, 154km+700–165km+700 (Heren–Chongde Section)
Steel beam transportation for the Matai'an River Bridge reconstruction project

From September 29 to October 6, daily from 23:20 to 01:30 the following day.
At 23:20, the northbound lane will be closed (control points: 123km+400 and 121km+800).
From 23:30 to 00:20, the entire road section will be closed. Traffic control and opening times may be adjusted depending on the arrival time of the vehicles at the road section. (Including holidays.)

9. Provincial Highway 9, 159km+400 (Daqingshui Tunnel Section)
Daqingshui Tunnel Reconstruction Works

From September 1 to September 30, daily from 8:00 to 17:00, one-way alternating traffic control will be implemented. Two-way road closures may be implemented depending on on-site work conditions, with each closure lasting approximately 30 minutes.

Mountain Road Safety Reminder

Mountain roads have been affected by earthquakes and are prone to falling rocks. During heavy rain or prolonged rainfall, road conditions can be difficult to predict. Please avoid entering mountain roads after disasters unless necessary, and always pay attention to weather information and road access conditions. Please plan your trip in advance and prepare for possible changes.

For the latest road information, please use the Highway Bureau's Intelligent Provincial Highway Real-Time Information Service or download the “Happy Highway APP” on your mobile phone. You may also listen to traffic broadcasts for the latest updates.

The Highway Bureau wishes everyone a safe journey!

Last Updated: September 23, 2026

Management Agencies

For the Su-Hua Highway (Provincial Highway 9), please contact:

Nanao Maintenance Section: 03-9982161
Jinyue Maintenance Section: 03-9982501
Eastern Region Branch Office, Highway Bureau: 03-9962683
Update Information

Information is current as of September 23, 2026.
For any changes, please contact the relevant management agency for the latest information.