Partially Open (Night time road closure)
Eastern Section of Provincial Highway 8 (Central Cross-Island Highway)
(Dayuling to Taroko)

Following the April 3, 2024 earthquake, the Taroko Section of the Eastern Region Branch, Directorate General of Highways, has been working to balance road rehabilitation progress with local transportation and industrial needs. Each month, coordination meetings are held with residents of the Greater Tianxiang area, community groups, enterprises, relevant agencies, and geotechnical/civil engineering consultants familiar with the Central Cross-Island Highway to discuss traffic control measures for the following month.

Based on the meeting held on April 27, 2026, the traffic control measures for May 2026 are as follows:

1. Guanyuan to Tianxiang (114.6 km – 167.3 km)
(1) General Access Control
After morning inspection and rockfall clearance, the road will generally be open from 07:00 to 16:30.
From 16:30 to 18:00, gates at:
114.6 km (in front of Guanyuan Hehuan Police Station)
167.1 km (west end of Tianxiang)
will be closed → Exit only, no entry permitted (Guanyuan → Tianxiang section).
From 18:00 to 07:00 (next day): Nighttime closure.
(2) Construction Traffic Control Sections
117.4 km (Guanyuan section)
→ Release times:
07:00–08:00, 10:00, 12:00–13:00, 15:00, 16:30 (5 releases daily)
145.3 km (Luoshao section)
→ Released at half past each hour
142.7 km & 143.4 km (Xinbaiyang section)
→ Rolling traffic control
(3) Slope stabilization work at
Provincial Highway 8, 145km+300 (near the Hualu River):
From May 13 to May 31, 2026, traffic control will be implemented daily from 08:00 to 17:00. Traffic will be released for 10 minutes at the top of each hour (e.g. 08:00–08:10, 09:00–09:10, etc.). Traffic control will also remain in effect on weekends (Saturdays and Sundays) and other national holidays. 

2. Tianxiang to Taroko Entrance (167.7 km – 184.5 km)
(1) General Access Control

To coordinate with the opening of the Lushui Recreation Area:

After morning inspection, during daytime release periods, the control point will be moved to:
→ 169.5 km (west of Shuiwen Bridge, Lushui)
Release times:
07:00–08:00, 10:00–10:05, 12:00–13:00, 15:00–15:05, 17:00–17:30
At 17:00, the control point returns to 167.7 km (Tianxiang)
From 17:30 to 18:00, gates at:
167.7 km (east end of Tianxiang)
East entrance of Shakadang Tunnel
will be closed → Exit only, no entry permitted
From 18:00 to 07:00 (next day): Nighttime closure
(2) Construction Sections (Coordinated Control)

Locations:
172.2 km (west entrance of Jiuqudong Tunnel), 173.5 km (east entrance of Jiuqudong Tunnel), 174.9 km (east entrance of Zhuilu Tunnel), 175.5 km (west entrance of Jin-heng Tunnel), 180.5 km (west end of Ning’an Bridge)

Traffic follows the same 5 release periods or rolling control
Vehicles waiting at both ends before each release will be cleared through before control resumes
(3) Rolling Control Section
174.1 km (Liufang Bridge section)
→ Rolling traffic control
(4) Traffic Diversion (Taroko Entrance – Changchun Tunnel)
Westbound (Taroko → Tianxiang):
Shakadang Tunnel → Xila’an Tunnel → Changchun Tunnel → Tianxiang
Eastbound (Tianxiang → Taroko):
Provincial Highway 8 → Changchun Tunnel → Taroko Entrance
3. Other Temporary or Mobile Work Zones

Temporary or mobile construction (e.g., asphalt pavement milling and resurfacing) will adopt short-duration rolling traffic control, or separate announcements will be issued as necessary, with efforts made to minimize traffic impacts.

4. Labor Day Holiday Adjustment (May 1 – May 3)
(1) Guanyuan – Tianxiang (114.6 km – 167.1 km)
Open: 07:00–16:30 (two-way traffic)
Exit only: 16:30–18:00
Closed: 18:00–07:00
(2) Tianxiang – Taroko (167.1 km – 184.5 km)
Open: 07:00–17:30 (two-way traffic)
Exit only: 17:30–18:00
Closed: 18:00–07:00
(3)
From May 4, normal 5 daily release periods resume
Important Travel Advisory
Total length: approx. 74 km (Dayuling to Taroko)
Eastbound (Dayuling → Taroko):
Please arrive at Tianxiang before 17:00 to catch the final release (17:00–17:30).
Westbound (Taroko → Dayuling):
Please pass the control point at the east entrance of Shakadang Tunnel before 15:00 to avoid being unable to clear the Guanyuan control point before the 18:00 night closure.
Reminder

Due to earthquake and typhoon impacts, slope stabilization and road repairs are still ongoing along Provincial Highway 8.

Traffic release times may be delayed or canceled depending on weather or unforeseen conditions. Please plan ahead and stay informed by:

Checking weather updates
Monitoring road conditions
Real-time Highway Information System
Using the “Happy Highway App” or listening to traffic broadcasts

Responsible Unit: Taroko Section
Road Inquiry: +886-3-9962683
Contact Person: Section Chief Chang Pei-yun (+886-3-8610775)
Last Updated: May 6, 2026

For the latest road information, please contact the Taroko Section.

Managing Authority:
Provincial Highway 8 (Central Cross-Island Highway):
Taroko Section (+886-3-8610775)
Eastern Region Branch, Directorate General of Highways (+886-3-9962683)

Update Note:
Information is current as of May 13, 2026. Please confirm with the managing authority for any updates.

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Provincial Highway 14A (Wushe Branch) (Mt. Hehuan Area) Road Information

Official Notice from the Directorate General of Highways, Ministry of Transportation and Communications

Subject: Traffic Control Measures for the 2026 Mt. Hehuan Rhododendron Season
Legal Basis: Article 5 of the Road Traffic Management and Penalty Act

Details:

1. Purpose:
To ensure traffic safety and maintain smooth traffic flow during the Rhododendron season in the Mt. Hehuan area.

2. Control Period:
From April 11 to June 14, 2026, on designated holidays (including weekends and the Labor Day holiday), for a total of 21 days, from 6:00 AM to 11:00 AM each day.
The control period may be advanced, postponed, or canceled depending on actual bloom conditions, subject to the decision of the competent authority.

3. Control Section:
Provincial Highway 14A, from 18 km (Cuifeng) to 41.5 km (Dayuling).

4. Traffic Control Measures:
High-occupancy vehicle (HOV) control and traffic flow regulation will be implemented as follows:

(1) Control Points:

West: 18 km (Cuifeng Control Station)
East: 41.5 km (Dayuling), intersection with Provincial Highway 8 (110 km)

(2) HOV Regulation:
Passenger cars with three or more occupants are allowed to pass.
Shuttle buses and Class-B large buses are exempt from this restriction.

(3) Traffic Flow Control:
Activated by the Hualien County Police Bureau (Xincheng Precinct, Hehuan Police Station) depending on traffic conditions.
When implemented, 20 vehicles will be released every 10 minutes.

(4) Restrictions:
During control hours, large trucks and passenger cars with fewer than three occupants are prohibited.
Motorcycles and slow vehicles (including scooters) are not restricted.

5. Special Conditions:
Traffic control measures will not be implemented in the event of severe weather or when the Central Cross-Island Highway temporary access road is closed.

6. Amendments:
This notice may be revised at any time if necessary.

Reminder to Road Users

Mountain weather conditions are harsh and can change rapidly and unpredictably. Traffic control measures may be adjusted dynamically based on on-site conditions.

In addition, according to the 2026 Hehuanshan snow season regulations:
When snowfall, snow accumulation, or road icing occurs, Class-A and Class-B large buses, trucks over 3.5 tons, and all types of motorcycles and slow vehicles (including heavy motorcycles) are prohibited from entering the controlled section.

Drivers are advised to pay close attention to roadside variable message signs (VMS). The Traffic Control Center will provide real-time traffic updates and travel advice.

For the latest traffic information and traffic management measures, please visit:

Directorate General of Highways 
Real-time Highway Information System
“Happy Highway” App
24-hour hotline: 0800-231-035

The Directorate General of Highways wishes you a safe journey.

Responsible Unit: Puli Works Section, Central Region Maintenance Engineering Branch
Road Condition Inquiry: +886-49-2982066
Contact Person: Section Chief Chiu Ping-Jung

For the latest highway updates, please contact the Directorate General of Highways.

Last Updated: May 6, 2026

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

Taroko Works Section: +886-3-8610775
Puli Works Section: +886-49-2982066

Update Note:
Information is current as of April 9, 2026. For any changes, please contact the managing units for the latest updates.

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Construction Traffic Control Information
Provincial Highway 9 (Su-hua Highway)

1. Su’ao – Dong’ao Section (Su-hua Improvement)
May 19, 21:00 – May 20, 06:00: Southbound lane closed
May 20, 21:00 – May 21, 06:00: Northbound lane closed
→ Please detour via Provincial Highway 9D
2. Provincial Highway 9D (17.7 km – 51.8 km, Dong’ao to Heping)

Tree trimming works

May 4 – May 11, daily 08:00–17:00
→ Rolling traffic control
3. Provincial Highway 9 (116.9 km, Dong’ao section)

Slope protection works

May 4 – May 22, daily 08:00–17:00
→ Single-lane, two-way rolling traffic control
4. Provincial Highway 9 (117.5 km – 118.9 km, Xin’ao Tunnel northbound)

Lane marking modification & guardrail removal works

May 5 – May 6, daily 08:00–17:00
→ Traffic diverted to the southbound tunnel tube with alternating two-way traffic control
5. Provincial Highway 9 (120.7 km, Nan’ao section)

Slope trimming works

May 6 – June 7, daily 08:00–17:00
→ Rolling traffic control
6. Nan’ao – Heping Section (Su-hua Improvement)
May 6, 09:00–17:00: Northbound lane closed
May 7, 09:00–17:00: Southbound lane closed
→ Please detour via Provincial Highway 9D
7. Provincial Highway 9D (39.8 km, Guanyin section)

Slope trimming works

May 4 – May 29, daily 08:00–17:00
→ Traffic released for 10 minutes at the top of each hour.
8. Provincial Highway 9D (45.25 km, Guanyin section)

Slope trimming works

April 24 – June 30, daily 08:00–17:00
→ Traffic released for 10 minutes at the top of each hour (e.g., 09:00–09:10, 10:00–10:10).
9. Hezhong – Heren Section (Su-hua Improvement)
May 11, 21:00 – May 12, 01:00: Zhongren Tunnel northbound closed
May 12, 21:00 – May 13, 01:00: Zhongren Tunnel southbound closed
→ Please follow on-site traffic control and detour via Provincial Highway 9D
10. Provincial Highway 9 (159.4 km, Daqingshui Gallery Tunnel)

Reconstruction works

May 6 – June 30, daily 07:00–18:00
→ Single-lane, two-way rolling traffic control
→ When conditions permit and without affecting construction safety, two-way traffic may be temporarily opened
11. Provincial Highway 9 (162.8 km, south entrance of Huid Tunnel)

Upper slope works

March 23 – June 5, daily 08:00–17:00
→ Traffic released once every 30 minutes
⚠️ Reminder

Mountain roads are prone to rockfalls due to earthquake impacts. During heavy or continuous rainfall, road conditions may become unpredictable.

Unless necessary, please avoid entering mountain areas after disasters. Plan your trip in advance and stay updated on weather and road conditions.

Please make use of:

Real-time Highway Information System
“Happy Highway App”
Traffic broadcast updates

The Directorate General of Highways wishes you a safe journey.

Last Updated: May 6, 2026

Managing Authority:
Su-hua Highway (Provincial Highway 9)

Nan’ao Section: +886-3-9982161
Jinyue Section: +886-3-9982501
Eastern Region Branch: +886-3-9962683

Update Note:
Information is current as of May 6, 2026. Please contact the managing authority for the latest updates.