Seoul traffic alert: Fireworks festival, marathon to close roads this weekend

Seoul police will fully control traffic in Yeouido on Saturday for the Seoul International Fireworks Festival, and the YTN Seoul Tour Marathon will close roads in central Seoul on Sunday. Wonhyo Bridge and several Yeouido access points will face restrictions, and Yeouinaru Station will skip stops for a limited time. On Sunday, marathon-related closures will affect Sejong-daero, Euljiro and Cheonggyecheon-ro, with about 1,610 traffic control personnel deployed.

Traffic in Yeouido, from the southern end of Mapo Bridge to the 63 Building, will be fully controlled from 3 p.m. to midnight on Saturday.

Wonhyo Bridge will be closed in both directions from 9 a.m. Saturday to 3 a.m. Sunday, and police will selectively allow access at six checkpoints in Yeouido.

The YTN Seoul Tour Marathon will run from 5:30 a.m. to 10:30 a.m. on Sunday, starting at Seoul Plaza and finishing at the Mugyo-ro area.

Road closures on Sejong-daero will run from Sejong Intersection to Sungnyemun Intersection from 6:30 a.m. to 8:50 a.m., and from Sejong Intersection to Heunginjimun Intersection from 6:30 a.m. to 9:15 a.m.

Police will deploy approximately 1,610 traffic control personnel to manage detours and guide vehicles.

Published Sep 4, 2026 11:56 am KST

A map details road closures and traffic restrictions for the YTN Seoul Tour Marathon scheduled for Sunday. Courtesy of Seoul Metropolitan Police Agency

Drivers and commuters heading into central Seoul this weekend should expect significant disruptions, with road closures and crowd control measures in place for the Seoul International Fireworks Festival on Saturday and a major marathon on Sunday.

The Seoul Metropolitan Police Agency announced that traffic in Yeouido — from the southern end of Mapo Bridge to the 63 Building — will be fully controlled from 3 p.m. to midnight on Saturday in preparation for and during the Seoul International Fireworks Festival. Wonhyo Bridge will also be closed in both directions from 9 a.m. Saturday to 3 a.m. Sunday. Police will selectively allow access at six checkpoints in Yeouido.

Subway trains will bypass Yeouinaru Station without stopping between 7 p.m. and 10 p.m. Saturday to manage crowd flow. Safety personnel will be deployed from Friday evening across surrounding roads, subway stations and major entrance routes to Hangang Park ahead of a pre-festival event.

On Sunday, the YTN Seoul Tour Marathon will take place in the central Seoul area from 5:30 a.m. to 10:30 a.m. The marathon course starts from Seoul Plaza and runs through Sejong-daero Intersection, Jongno, Euljiro and Cheonggye Stream area before finishing at Mugyo-ro area.

Road closures along Sejong-daero include from Sejong Intersection to Sungnyemun Intersection between 6:30 a.m. and 8:50 a.m. and from Sejong Intersection to Heunginjimun Intersection between 6:30 a.m. and 9:15 a.m.

Some sections of the Euljiro area will be controlled from 7:40 a.m. to 9:10 a.m., while Cheonggyecheon-ro will remain closed from 7:45 a.m. until 10:30 a.m.

To minimize congestion, police will deploy approximately 1,610 traffic control personnel to manage detours and guide vehicles.

为配合首尔国际烟花节，首尔警方将于周六全面封锁汝矣岛交通；周日，YTN首尔马拉松赛将导致首尔市中心部分路段封闭。元晓大桥及汝矣岛多个出入口将实施交通管制，汝矣渡口站也将限时停站。周日，马拉松相关封闭措施将影响世宗大路、乙支路和清溪川路，届时将部署约1610名交通管制人员。

周六下午3点至午夜，汝矣岛麻浦大桥南端至63大厦之间的交通将实行全面管制。

从周六上午 9 点到周日凌晨 3 点，元晓桥双向封闭，警方将在汝矣岛的六个检查站选择性地允许车辆通行。

YTN首尔巡回马拉松将于周日早上5:30至10:30举行，起点为首尔广场，终点为武桥路地区。

世宗大路将于上午6:30至8:50期间，从世宗路口至崇礼门路口，以及上午6:30至9:15期间，从世宗路口至兴仁之门路口进行道路封闭施工。

警方将部署约1610名交通管制人员来管理绕行路线和引导车辆。

发布于2026年9月4日上午11:56（韩国标准时间）

地图详细标明了周日举行的YTN首尔巡回马拉松比赛的道路封闭和交通管制情况。图片由首尔地方警察厅提供。

本周末前往首尔市中心的司机和通勤者应该会遇到严重的交通中断，因为周六首尔国际烟花节和周日大型马拉松比赛期间，道路将会封闭，并采取人群控制措施。

首尔地方警察厅宣布，为迎接首尔国际烟花节，汝矣岛（从麻浦大桥南端至63大厦）将于周六下午3点至午夜实施全面交通管制。此外，元晓大桥也将于周六上午9点至周日凌晨3点双向封闭。警方将在汝矣岛的六个检查站选择性地允许车辆通行。

为疏导人流，周六晚7点至10点，地铁列车将不停靠汝矣渡口站。从周五晚间开始，安保人员将部署在周边道路、地铁站以及汉江公园的主要入口通道，为节前活动做准备。

周日，YTN首尔巡回马拉松将在首尔市中心举行，时间为早上5:30至10:30。马拉松赛道从首尔广场出发，途经世宗大路交叉口、钟路、乙支路和清溪川地区，最后到达茂桥路地区。

世宗大路沿线道路封闭路段包括：世宗路口至崇礼门路口，时间为上午6:30至8:50；世宗路口至兴仁之门路口，时间为上午6:30至9:15。

乙支路部分路段将于上午7:40至9:10实施交通管制，清溪川路将于上午7:45至10:30封闭。

为尽量减少交通拥堵，警方将部署约 1610 名交通管制人员来管理绕行路线和引导车辆。