In the 1970s, an elevated road was built to connect the eastern and western sides around Seoul Station. However, the road was closed to road traffic due to safety issues. After this, rather than tearing down the existing structure, the road was transformed into Seoullo 7017, a new pedestrian road attraction.

Seoullo 7017 gets its name from the numbers that represents its transformation, from being a traffic road in the '70s to a sky garden in 2017. The "17" also has a deeper meaning, with Seoullo 7017 being divided into 17 unique sections, and the road being located 17 meters above the ground.

There are a variety of facilities along Seoullo 7017, including an information center, cafes, gardens, and stages. Seoullo 7017 itself is open all day, every day for visitors to enjoy at their leisure. Visitors interested in a guided tour can sign up for the guided walking tour through the official Visit Seoul website.