Lotte World Tower above Seokchon Lake at dawn

5 of the best · Seoul, South Korea

What’s New and What’s Being Built in Seoul

The GTX-A express line, the Hangang Bus on the river, the new district at Yongsan, Lotte World Tower and the remaking of Yeouido. We give status, not prices.

Our 5 favourites, listed A–Z · Updated October 2026

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Insiders' picks

Three Seoul moments we keep going back to: Gyeongbokgung at opening time, a bowl of naengmyeon at Woo Lae Oak, and the city wall over Naksan at dusk.

  1. Partly open

    GTX-A express line

    North–south·Development·Partly open

    The deep express railway across the capital region: its northern and southern sections are running, the link through Seoul is being completed.

    Explore View on map

  2. Running

    Hangang Bus

    Along the Han·Development·Running

    The river bus on the Han between Magok, Yeouido and Jamsil.

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The full list: Developments, A–Z

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Neighbourhood

Works and projects 5

What’s open and what’s coming.

  1. Partly open

    GTX-A express line

    North–south·Development·Partly open

    The deep express railway across the capital region: its northern and southern sections are running, the link through Seoul is being completed.

    Explore View on map

  2. Running

    Hangang Bus

    Along the Han·Development·Running

    The river bus on the Han between Magok, Yeouido and Jamsil.

    Explore View on map

  3. Open

    Lotte World Tower

    Jamsil·Development·Open

    The tower by Seokchon Lake: offices, Signiel, Seoul Sky and Lotte World Mall.

    Explore View on map

  4. Open

    The Hyundai Seoul and Parc.1

    Yeouido·Development·Open

    The department store and twin towers that have remade the heart of Yeouido.

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  5. Under construction

    Yongsan International Business District

    Yongsan·Development·Under construction

    A new business and residential district on the former rail yards by Yongsan Station.

    Explore View on map

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