Seongangil is a busy commercial street in Sangdang-gu, Cheongju. It runs from the south gate to the north gate of the old Cheongju Eupseong, with shopping and food along the way. To the north are the Sangdang-gu Office, Cheongju Post Office, Lotte Young Plaza, and CGV Cheongju. To the south are Seokgyo-dong Market and Yukgeori Market, and the commercial area is less active than it once was.