Big days in Seoul

Road closures, skipped subway stops and crowds, taken from official notices. Checked 2026-10-15.

OfficialSat, Oct 17 · From 07:30

Mind Run Festival (marathon road closures)

Yeouido Park, Mapo Bridge, National Assembly, Seogang Bridge

Roads on the Yeouido race loop are closed to traffic. Check bus detours before you go.

Official notice
OfficialSun, Oct 18 · From 07:30

Asia Open Marathon (road closures)

Gwanghwamun Square, Jongno, Cheonggyecheon

The course runs from Gwanghwamun Square along Jongno and Cheonggyecheon-ro. Expect closed roads around the square.

Official notice
OfficialSun, Oct 18 · 07:30 – 10:10

Style Run with Songpa-gu (road closures)

Lotte World Tower, Songpa-daero, Seokchon Lake

Event runs 08:00-11:00. Roads around Lotte World Tower and Seokchon Lake are closed 07:30-10:10.

Official notice
ExpectedSat, Oct 24 – Mon, Nov 2

Halloween crowd safety period

Itaewon, Hongdae, Seongsu and other crowded areas

Dates are last year's. In 2025 the city ran a safety period from Oct 24 to Nov 2 and said trains might skip crowded stations if it got too busy. This year's notice is not out yet.

Based on last year's notice. This year's is not out yet.

Last year's official notice
OfficialSun, Oct 25 · 12:00 – 24:00

Car-free Jamsu Bridge walking festival (Sundays)

Jamsu Bridge, Banpo Hangang Park

Last of 8 Sundays. Event 14:00-22:00, the bridge is closed to cars 12:00-24:00. Buses 405 and 740 detour via Banpo Bridge.

Official notice
OfficialFrom Mon, Oct 26 · From 00:00

Jamsu Bridge closed to cars for good

Jamsu Bridge, Banpo Hangang Park

Cars are banned from 00:00 as the bridge becomes a pedestrian-only bridge. Walking and cycling stay open, except during paving work planned for May-Aug 2027. Buses 405 and 740 use Banpo Bridge.

Official notice
ExpectedThu, Dec 31, 2026 – Fri, Jan 1, 2027 · 23:00 – 01:00

Bosingak Bell Ringing, New Year's Eve

Bosingak, Jongno

Dates are last year's pattern. In 2025 trains skipped Jonggak Station from 23:00 to 01:00 and roads near Bosingak were closed from 18:00 to 07:00. Trains and buses ran until 02:00. This year's notice is expected in late December.

Avoid: Jonggak

Use instead: City Hall, Jongno 3(sam)-ga, Euljiro 1(il)-ga, Gwanghwamun

Based on last year's notice. This year's is not out yet.

Last year's official notice