Construction begins to underground the eastern road along the Tancheon in Seoul… A ‘green ecological path’ will be created above.

Undergrounding of 4.9 km section from North Samseonggyo to Dongnam-ro Samgeori
Scheduled to open in the second half of 2029…Alleviating traffic congestion and improving safety,
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Perspective view of the first section of the Tancheon streamside east road improvement project
[Provided by Seoul City. Reproduction and database use prohibited],
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, ‘ (Seoul=Yonhap News) Reporter Yoon Bo-ram = A project to underground the road along the east side of Tancheon stream started in earnest to distribute traffic in the southeastern area of Seoul.’,
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, ” On the 13th, the Seoul City Government held a groundbreaking ceremony for the ‘Tancheon Streamside East Road Improvement Project’ at Sunnae Park in Munjeong-dong, Songpa-gu.”,
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, ‘ Over 100 people attended the ceremony, including Seoul Mayor Oh Se-hoon, Songpa-gu Mayor Seo Gang-seok, local parliament members, city and district council members, construction officials, and local residents.’,
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, ‘ The project involves undergrounding a section of about 4.9 km from the north of Samseonggyo Bridge to Dongnam-ro Samgeori to improve the road structure.’,
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, ‘ The goal is to meet the increased traffic demand due to large-scale developments in the southeastern region and to secure bypass functions for the Eastern Arterial and Songpa-daero Roads.’,
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, ‘ The first section (0.6 km from Gwangpyeonggyo Intersection to Dongnam-ro Samgeori) aims to open in the second half of 2029, while the second section (4.3 km from the north of Samseonggyo Bridge to Gwangpyeonggyo Intersection) will proceed sequentially with basic and detailed designs starting in the second half of this year.’,
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, ‘ The first section focuses on integrating and improving the divided embankment and lower roads, and on optimizing the impractically designed Gwangpyeonggyo Intersection, thereby reducing traffic accident risks and ensuring smooth vehicle flow.’,
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, ‘ Currently, this section features separated embankment upper and lower roads and an irregular Gwangpyeonggyo Intersection structure, making it a frequent accident site.’,
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, ‘ The project plans to enhance safety by constructing an underground road with six lanes in each direction.’,
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, ” Above the underground road, a ‘Green Ecology Path’ naturally connecting to the Tancheon stream will be created, providing citizens with a space to enjoy walking, views, and relaxation.”,
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, ‘ Once the road improvement project is completed, Seoul expects it will greatly contribute to alleviating regional traffic congestion by enhancing connectivity between Tancheon-dong and Dongnam-ro and dispersing traffic concentrated on the Eastern Arterial and Songpa-daero Roads.’,
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, ‘ During construction, the city plans to install temporary roads along Tancheon stream to minimize traffic congestion.’,
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, ‘ The city also expressed its gratitude to the citizens using the section for their understanding and cooperation, as lane adjustments would be inevitable.’,
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, ‘ Mayor Oh mentioned, “With the opening of the east road along Tancheon stream, not only will bottlenecks on nearby roads be resolved, but also reduced traffic volume will allow vehicles to move more smoothly,” adding, “Most importantly, citizens can leisurely walk and enjoy the water and breeze on the Ecology Path, improving the pedestrian environment and contributing to a more relaxed daily life.”‘,
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Starting point of the underground road section along the east side of Tancheon stream
[Provided by Seoul City. Reproduction and database use prohibited],
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