Provincial Highway 9 | ||||
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台9線 | ||||
Route information | ||||
Maintained by Directorate General of Highways | ||||
Length: | 476.1 km (295.8 mi) | |||
Major junctions | ||||
North end: | PH 1 PH 1a PH 3 PH 5 in Zhongzheng District, Taipei | |||
Fwy. 5 in Toucheng, Yilan and Suao, Yilan | ||||
South end: | PH 1 in Fangshan, Pingtung | |||
Highway system | ||||
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Provincial Highway No. 9 is an important highway cross the eastern Taiwan from Taipei City to Fangshan, Pingtung, Pingtung County. This provincial highway, at 476.1 km long, is the longest provincial highway in Taiwan and passes the regions of Taipei City, New Taipei City, Yilan County, Hualien County, Taitung County and Pingtung County.
The highway begins in front of Executive Yuan in downtown Taipei. It continues along Zhongshan Road (中山南路) and Roosevelt Road (羅斯福路) until it reaches Xindian, New Taipei. From there the highway follows Beixin Road (北新路) and later becomes Bei-Yi Highway (北宜公路). The highway passes through mountainous regions, enters Shiding and Pinglin in New Taipei City before reaching Yilan County.
In Yilan County, the highway finally leaves the mountainous region and enters Yilan Plain, but not before a stretch of curvy mountain roads. The highway passes through Toucheng, Jiaoxi, Yilan City, Wujie, Luodong, and Dongshan before entering Su'ao. From Su'ao to Hualien, the highway is designated as Su-Hua Highway (蘇花公路), a curvy mountain roads known for its sharp curves and cliffs along the route. Su-Hua Highway passes through Su'ao and Nan'ao in Yilan County, Xiulin and Xincheng in Hualien County before entering Hualien City. In Xincheng the highway intersects Central Cross-Island Highway (PH 8), which provides access to Taroko National Park.