Fireworks, marathon set to snarl Seoul traffic this weekend

Drivers in Seoul may want to steer clear of Yeouido on Saturday and the city center Sunday morning, when a fireworks festival and marathon will trigger rolling road closures across some of the capital’s busiest routes. The biggest disruption will come Saturday around Yeouido, where the 2026 Seoul International Fireworks Festival is expected to draw heavy crowds along the Han River. Yeouidong-ro between the southern end of Mapo Bridge and the 63 Building will be completely closed to traffic from