Osan–Hwaseong Expressway

Expressway No.171
Route information
Length2.55 km (1.58 mi)
ExistedOctober 29, 2009–present
Major junctions
East endOsan, Gyeonggi-do
West endHwaseong, Gyeonggi-do
Location
CountrySouth Korea
Major citiesHwaseong, Osan
Highway system

The Osan–Hwaseong Expressway (Korean: 오산화성고속도로; Hanja: 烏山華城高速道路; part of Expressway 171) is an expressway in South Korea that runs between Osan and Hwaseong. Established on October 29, 2009, it is the shortest expressway in South Korea with a length of 2.55 kilometers (1.58 miles). It shares its expressway number with Yongin-Seoul Expressway. However, they are not connected.