In 2019, the project for approach slope levelling for bridges on National Highway 1 across Soc Trang, Bac Lieu, and Ca Mau provinces was launched, invested by the Regional Road Administration IV. This is a critical undertaking aimed at enhancing driving smoothness and minimizing vehicle jolts at the bridge entrances and exits
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In this project, Vinh Hung undertook the construction of vital items, contributing to the improvement of infrastructure operational quality. These tasks included replacing old expansion joints with asphaltic plug expansion joints, repairing semi-rigid guardrails, and maintaining traffic control during construction.

Leveraging practical construction experience and well-coordinated execution capabilities, Vinh Hung completed all items on schedule, ensuring technical quality and safety, thereby contributing to the improvement of operational conditions along National Highway 1.