Seoul Mayor Oh Se-hoon returned to his official duties Thursday to prioritize fixing missing steel reinforcement at the GTX Samsung Station [1].

This move addresses a critical infrastructure failure that became a central point of contention during the recent election. The omission of steel reinforcement poses a potential safety risk and threatens the timeline of one of the city's most significant transit projects.

Oh is the first person to serve five terms as the mayor of Seoul [1]. Upon his return to Seoul City Hall, he identified the construction issues at the Samsung Station as his top priority for the administration. The missing reinforcement has delayed progress and drawn public scrutiny regarding oversight and construction quality in the city's transit expansion.

Officials are now evaluating if the project can remain on schedule. Oh said he will first check whether the opening can happen in mid-August as originally planned [1].

Failure to meet the mid-August target could lead to further political pressure and public dissatisfaction with the city's infrastructure management. The GTX line is intended to reduce commute times and alleviate congestion across the metropolitan area, making the Samsung Station a vital hub for the network.

City Hall has not yet released a detailed technical report on the extent of the missing reinforcement. However, the administration said that the safety audit will precede any final confirmation of the opening date [1].

The first five-term mayor of Seoul

The immediate focus on the GTX Samsung Station suggests that infrastructure safety and project delivery are the primary benchmarks for Oh Se-hoon's fifth term. By centering his return on a known construction failure, the mayor is attempting to signal accountability and technical competence to a public wary of transit delays.