National Freeway 3

National freeway 3
Formosa Freeway
Route information
Maintained by Taiwan Area National Freeway Bureau
Length430.5 km (267.5 mi)
Existed19 January 1993–present
Major junctions
North end Prov 2 in Keelung
Major intersections
South endDapengwan National Scenic Area in Linbian
Location
CountryTaiwan
CountiesKeelung, New Taipei, Taipei,
Taoyuan, Hsinchu, Miaoli, Taichung, Changhua, Nantou, Yunlin, Chiayi, Tainan, Kaohsiung, Pingtung
Highway system
Nat 2 Nat 4

National Freeway 3 (Chinese: 國道三號; pinyin: Guódào sān hào), also known as Formosa Freeway (Chinese: 福爾摩沙高速公路; pinyin: Fúěrmóshā gāosù gōnglù), is a freeway in Taiwan. It is the second north–south freeway in Taiwan, beginning in Keelung City at Jijin Interchange on the provincial highway 2 (Jijin Road) and ending in Linbian, Pingtung on the provincial highway 17. It is the longest freeway in Taiwan with a total length of 431.5 km (268.1 mi). The freeway also has a spur route, Freeway 3A.

The highway has 58 interchanges, 15 junctions, 7 service areas and 3 rest areas en route. Aside from the 58 public interchanges, there are also some interchanges reserved for governmental usage.