The Pyeongtaek–Siheung Expressway (), 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.
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–Yeongwol Expressway Pyeongtaek 평택 시점 平澤 始點 Pyeongtaek–Yeongwol Expressway - 0.0 Pyeongtaek Gyeonggi 1 W.Pyeongtaek JC 서평택분기점 西平澤分岐點 Seohaean Expressway Pyeongtaek–Yeongwol Expressway 0.80 0.80 2 Joam IC 조암나들목 朝岩나들목 National Route 77 National Route 82Provincial Route 82Provincial Route 310 4.06 10.98 Hwaseong 2-1 Mado JC 조암나들목 朝岩나들목 Seoul 2nd Belt Expressway 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 4-1 S. Ansan IC 송산분기점 松山分岐點 Seoul 2nd Belt Expressway Ansan JC Seonggok JC 성곡분기점 城谷分岐點 Seoul 2nd Belt Expressway (November 2025) 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 Mainline tollgate Siheung 5 Gunja JC 군자분기점 君子分岐點 Yeongdong Expressway 0.61 39.39 Incheon-bound Only Connected directly with Yeongdong Expressway
External links 2nd Seohaean Expressway Co., Ltd. Official website (Korean)