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The Suhua Highway Improvement Project (; colloquially 蘇花改, ) was a major highway project in northeast
Suhua Highway Improvement Engineering Office
Directorate General of Highways, Ministry of Transportation and Communications Highways in Taiwan Engineering projects Road transportation in Taiwan
The Suhua Highway Improvement Project (; colloquially 蘇花改, ) was a major highway project in northeast Taiwan
Taiwan, officially the Republic of China (ROC), is a country in East Asia. The main geography of Taiwan, island of Taiwan, also known as ''Formosa'', lies between the East China Sea, East and South China Seas in the northwestern Pacific Ocea ...
to improve and bypass dangerous sections of the Suhua Highway
The Suhua Highway (), also called the Suao-Hualien Highway, is a section of the Provincial Highway 9 in Taiwan, starting at Su'ao Township, Yilan County and ending at Hualien City, Hualien County. With a portion built alongside very steep c ...
, part of Provincial Highway 9.
The Suhua Highway is the main road connecting Su'ao Township and Hualien City
Hualien City (; Wade-Giles: Hua¹-lien² Shih⁴; Hokkien Pe̍h-ōe-jī, POJ: ''Hoa-lian-chhī'' or ''Hoa-liân-chhī'') is a county-administered city and the county seat of Hualien County, Taiwan. It is located on the east coast of Taiwan on the ...
. A portion of the original alignment was built alongside very steep cliffs high above the Pacific Ocean
The Pacific Ocean is the largest and deepest of Earth's five Borders of the oceans, oceanic divisions. It extends from the Arctic Ocean in the north to the Southern Ocean, or, depending on the definition, to Antarctica in the south, and is ...
. Because of the rugged terrain, it was often closed due to heavy rain, typhoons
A typhoon is a tropical cyclone that develops between 180° and 100°E in the Northern Hemisphere and which produces sustained hurricane-force winds of at least . This region is referred to as the Northwestern Pacific Basin, accounting for a ...
, or landslides
Landslides, also known as landslips, rockslips or rockslides, are several forms of mass wasting that may include a wide range of ground movements, such as rockfalls, mudflows, shallow or deep-seated slope failures and debris flows. Landslide ...
, leading to injuries and deaths.
In the 1990s, the Ministry of Transportation and Communications (MOTC) started planning a new freeway to connect Su'ao and Hualien, as part of National Freeway 5
National freeway 5 is a freeway in Taiwan, which begins in Taipei City at Nangang Junction on National freeway 3 and ends in Su-ao, Yilan on Masai Road. Although it was called the Beiyi Freeway (Chinese abbreviation for Taipei to Yilan) prior to ...
. However, it was controversial because of its environmental impact. Instead, the MOTC developed a scaled-down project, which constructed bridges and tunnels in three dangerous sections: Su'ao
Suao Township (), alternately romanized as Su-ao or Su'ao, is located in southern Yilan County, Taiwan, is an urban township that is famous for its seafood restaurants and cold springs. It is a terminus of National Highway No. 5, the Suao ...
– Dong'ao (), Nan'ao
Nanao may refer to:
Places
*, Japan
**Nanao Line a rail line through Nanao, Ishikawa
** Nanao Station a station on the Nanao Line
*Nan'ao County (), Shantou, Guangdong
** Nan'ao Island (), forming most of Nan'ao County
* Nan'ao Subdistrict (), a ...
– Heping (), and Heping– Qingshui (). The improved highway has a speed limit of , lower than a freeway, and still has only one lane in each direction. It cut travel time along the coastline from 2.5 hours to 80 minutes. Some parts of the old alignment was kept open for bicycles and small vehicles, with a speed limit of .
The project was named the Suhua Highway Alternative Project (; colloquially 蘇花替 ) in 2008. Its name was changed to its current name in 2010.
Construction started in 2011 and was expected to take five years and cost 46.5 billion New Taiwan dollar
The New Taiwan dollar (code: TWD; symbol: NT$, also abbreviated as NT), or simply the Taiwan dollar, is the official currency of the Republic of China (Taiwan). Usually, the $ sign precedes the amount, but NT$ is used to distinguish from othe ...
s. Due to difficulties in construction, the project was finally completed in 2020 at a cost of 55.17 billion New Taiwan dollars.
References
External links
{{Attached KMLSuhua Highway Improvement Engineering Office
Directorate General of Highways, Ministry of Transportation and Communications Highways in Taiwan Engineering projects Road transportation in Taiwan