Pyeongtaek–Siheung Expressway

The Pyeongtaek–Siheung Expressway (Korean: 평택시흥고속도로; Pyeongtaek-Siheung Gosok Doro), Also 2nd Seohaean Expressway, is an expressway in South Korea, connecting Pyeongtaek to Hwaseong, Ansan, and Siheung. It has Expressway Route No. 153 and is a Branch Line of Seohaean Expressway. The entire length from Pyeongtaek to Siheung is 42.6 km and the posted speed limit is 100 km/h.

Expressway No.153
Pyeongtaek-Siheung Expressway 평택시흥 고속도로
Route information
Length	42.6 km (26.5 mi)
Existed	2013–present
Major junctions
South end	W Pyeongtaek JC in Pyeongtaek, Gyeonggi-do Seohaean Expressway Pyeongtaek–Jecheon Expressway
North end	Gunja JC in Siheung, Gyeonggi-do Yeongdong Expressway
Highway system
Highway systems of South Korea Expressways National Local

Pyeongtaek–Siheung Expressway
Hangul	평택시흥고속도로
Hanja	平澤始興高速道路
Revised Romanization	Pyeongtaek Siheung Gosok Doro
McCune–Reischauer	Pyongtaek Sihung Kosok Toro

History

• 31 March 2008: Construction Begin
• 28 March 2013: Open to traffic.

Compositions

Lanes

• W.Pyeongtaek JC ~ S.Ansan IC : 4
• S.Ansan IC ~ Gunja JC : 6

Length

39.4 km

Limited Speed

• W.Pyeongtaek JC ~ Gunja JC : 100 km/h

List of Facilities

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

No.	Name	Korean Name	Hanja Name	Connections	Distance		Notes	Location
Connected directly with Pyeongtaek–Jecheon Expressway
	Pyeongtaek	평택 시점	平澤 始點	Pyeongtaek–Jecheon Expressway	-	0.0		Pyeongtaek	Gyeonggi
1	W.Pyeongtaek JC	서평택분기점	西平澤分岐點	Seohaean Expressway Pyeongtaek–Jecheon Expressway	0.80	0.80
TG	Jangan TG	장안요금소	長安料金所		6.12	6.92	Pyeongtaek-bound Only	Hwaseong
2	Joam IC	조암나들목	朝岩나들목	National Route 77 National Route 82 Provincial Route 82 Provincial Route 310	4.06	10.98
3	Songsan-Mado IC	송산마도나들목	松山麻道나들목	Provincial Route 322	11.32	22.30
SA	Songsan Podo SA	송산포도휴게소	松山葡萄休憩所
JC	Songsan JC	송산분기점	松山分岐點	Seoul 2nd Belt Expressway			(November 2021)
JC	Seonggok JC	성곡분기점	城谷分岐點	Seoul 2nd Belt Expressway			(November 2025)	Ansan
4	S.Ansan IC	남안산나들목	南安山나들목	National Route 39 National Route 77	13.82	36.12
TG	W. Siheung TG	서시흥요금소	西始興料金所		2.66	38.78	Siheung-bound Only	Siheung
5	Gunja JC	군자분기점	君子分岐點	Yeongdong Expressway	0.61	39.39	Incheon-bound Only
Connected directly with Yeongdong Expressway