A bridge is usually something to cross. Seoul’s car-free Jamsugyo program is more interesting when the bridge becomes somewhere to stay. On October 4, Jamsugyo hosts a one-day Gourmet Road from 14:00 to 22:00. Seoul’s official Hangang information lists around 100 food trucks and an outdoor dining area for up to 800 people. The scale matters because it turns a traffic surface into a temporary dining street with the Han River, Banpo Bridge and the Moonlight Rainbow Fountain as the surrounding landscape. The food is the obvious attraction, but the urban-design story is broader. The fall Car-Free Jamsugyo Festival already removes ordinary vehicle use every Sunday and fills the bridge area with rest zones, craft booths, performances, food and other public programs. The city has also announced a full pedestrian conversion of Jamsugyo in 2027, which gives the 2026 season the feel of a testbed for a different kind of infrastructure. That does not mean a one-day festival proves permanent pedestrianization will work perfectly. Event staffing, temporary furniture and festival budgets can solve problems that a year-round public space must handle differently. Weather, crowding, maintenance, accessibility and neighborhood transport all become more important when a temporary event becomes permanent. Still, the immediate visitor experience is useful. The October 4 program is free to enter and does not require advance registration for the Gourmet Road itself. Visitors can walk the bridge, buy food, use the large dining zone and combine the event with the evening river landscape. We have not independently tested peak-time queues, vendor payment methods, allergen information, wheelchair movement through crowded dining areas or the reliability of individual food-truck stock late in the evening. Those are practical uncertainties rather than reasons to ignore the event. The larger idea is simple: Jamsugyo becomes easier to understand as public space when people are invited to do more than move across it. Eating, sitting and lingering change the bridge from a transport link into part of the city itself.