This is a project to relocate the elevated highways underground, so as to revive the beautiful cityscape and resolve the chronic congestion issue in the central urban area.
Coverage:
Approximately 12 km
Total expenses:
JPY 1.9 trillion (as at June 2002)
Simultaneous use commenced in 2003,
work completed in end 2004.
A total of ten lanes of surface and elevated roads were removed, and a six-kilometer long sewage line, which was formerly covered by concrete, was transformed into a clear stream.
Revived the Cheonggyecheon of the old days, where the city and nature coexist in harmony, in the area that has been declining due to environmental deterioration.
