Expressway No.120
Gyeongin Expressway
Route information
Length	24 km (15 mi)
Existed	1968–present
Major junctions
east end	Sinwol Interchange [ko] in Yangcheon-gu, Seoul
west end	Nam-gu, Incheon
Location
Country	South Korea
Highway system
Highway systems of South Korea Expressways National Local

The Gyeongin Expressway, officially Expressway No. 120, is an expressway in South Korea connecting the Yangcheon District of Seoul to the Nam District of Incheon. It is the oldest expressway in South Korea.

Construction began March 24, 1967. The initial segment between Gajwa in the Seo District of Incheon and Yangpyeong-dong in the Yeongdeungpo District of Seoul opened on December 21, 1968. In 1985, the easternmost segment between Yangpyeong and the Shinwol Interchange was transferred to Seoul, making Shinwol in the Yancheong District the new terminus.

It was assigned route number 2 in 1983. In 2001, South Korea re-rationalized its expressway numbering system, and it was redesignated route 120.

History

• 24 March 1967: Construction begins
• 21 December 1968: Yangpyeongdong~Gajwa segment open to traffic.
• 21 July 1969: Gajwa~Incheon Port segment open to traffic.
• 12 November 1985: Korea National Expressway Corporation passes control of the northernmost 5 km stretch of expressway (between Sinwol and Yangpyeong-dong) to the City of Seoul.

Compositions

Lanes

• Incheon~W.Incheon IC: 6
• W.Incheon~Seoul: 8

Length

• 24 km

Limited Speed

• 100 km/h

List of facilities

• IC: Interchange, JC: Junction, SA: Service Area, TG:Tollgate

No.	Name	Korean Name	Hanja Name	Connections	Notes	Location
	Incheon	인천 시점	仁川 始點	National Route 77 (A-am Daero) Provincial Route 84 Provincial Route 98 Inhang-ro	Expressway Start	Nam-gu, Incheon
1	Dohwa IC	도화나들목	道禾나들목	National Route 42 National Route 46 (Gyeongin-ro)	Seoul-bound Only
2	Gajwa IC	가좌나들목	佳佐나들목	National Route 6(Ganam-ro) National Route 46(Gyeongin-ro) National Route 77(Janggogae-ro) Provincial Route 84(Jungbong-daero) Provincial Route 98	Seoul-bound Only	Seo-gu, Incheon
3	W. Incheon IC	서인천나들목	西仁川나들목	National Route 6(Ganam-ro, Bongo-daero) National Route 77 Provincial Route 84 Provincial Route 86, Provincial Route 98
4	Bupyeong IC	부평나들목	富平나들목	National Route 6 National Route 77 Gyeyang-daero Bupyeong-daero		Bupyeong-gu, Incheon
TG	Incheon TG	인천요금소	仁川料金所		Main Tollgate
5	Seoun JC	서운분기점	瑞雲分岐點	Seoul Ring Expressway
6	Buchen IC	부천나들목	富川나들목	National Route 6(Ojeong-ro) National Route 39(Sinheung-ro) National Route 77(Ojeong-ro)		Bucheon, Gyeonggi-do
7	Sinwol IC	신월나들목	新月나들목	Nambu Beltway (Seoul City Route 92)		Yangcheon-gu, Seoul
	Seoul	서울 종점	서울 終點	Gukhoe-daero	Expressway End
Connected directly with Gukhoe-daero(국회대로)

Gallery

• 
  Expressway Start
• 
  Expressway Start Sign(Incheon)
• 
  Dowha IC (Nam-gu, Incheon)
• 
  Gyeonginbuk-gil 387, on the overhead bridge
  (West, Incehon direction)
• 
  On the Bupyeong IC Viaduct
  (East, Seoul direction)