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Location: Jung Gu (Central District), Seoul, South Korea
Population: 10.1 million
Metro: 25.6 million
Extent: 5.8 km (Length) 292,000 m(Area)
Right-of-Way: 50 m
Context: Mixed-Use (Residential/Commercial)
Cost: 386,739 million KRW (345.2 million USD)
Funding: Seoul Metropolitan Government
Project Sponsors: Seoul Metropolitan Government
The Seoul Metropolitan Government decided to dismantle the 10-lane roadway and the 4-lane elevated highway that carried over 170,000 vehicles daily along the Cheonggyecheon stream. The transformed street encourages transit use over private car use, and more environmentally sustainable, pedestrian oriented public space. The project contributed to a 15.1% increase in bus ridership and a 3.3% increase in subway ridership between 2003 and 2008. The revitalized street now attracts 64,000 visitors daily.
Innovative governance and interagency coordination were critical to the process.
Public engagement, with residents, local merchants, and entrepreneurs, was important to streamlining the process.
Reducing travel-lane capacity resulted in a decrease in vehicle traffic.
Central Government, Seoul Municipality, Seoul Metropolitan Government, Cultural Heritage Administration
Private Groups and Partnerships
Cheonggyecheon Research Group
Citizen Associations and Unions
Citizen’s Committee for Cheonggyecheon Restoration Project
Designers and Engineers
Seoul Development Institute urban design team, Dongmyung Eng, Daelim E&C
Close to 4,000 meetings were held with residents. A “Wall of Hope” program was developed to encourage involvement and resulted in 20,000 participants.
Removal of elevated highway concrete structure.
Daylighting of a previously covered urban stream.
Creation of an extensive new open space along the daylighted stream.
Creation of pedestrian amenities and recreational spaces (two plazas, eight thematic places).
Construction of 21 new bridges, reconnecting the urban fabric.
Adapted by Global Street Design Guide published by Island Press.