Provincial Highway 3 (Taiwan)

Provincial Highway 3
台3線
Inner-Mountain Highway (內山公路)
Route information
Maintained by Directorate General of Highways
Length	436.286 km (271.096 mi)
Major junctions
North end	Prov 1 Prov 1a Prov 5 Prov 9 in Zhongzheng District, Taipei
Major intersections	Nat 3 in Tucheng Nat 3 in Daxi District Nat 4 in Fengyuan Nat 3 in Wufeng Nat 6 in Wufeng Nat 3 in Nantou Nat 3 in Mingjian Nat 3 in Zhushan Nat 3 in Douliu Nat 10 in Cishan Nat 10 in Ligang Nat 3 in Jiuru, Pingtung
South end	Prov 1 in Pingtung City
Location
Country	Taiwan
Highway system
Highway system in Taiwan
← Prov 2 → Prov 4

Provincial Highway 3 (Chinese: 台3線) is a 435.608km long Taiwanese highway that starts in Taipei and ends in Pingtung. Also known as Inner-Mountain Highway (內山公路), the road travels through mountainous towns in Western Taiwan and was the major route for the area until Freeway 3 was built.