KAI Sumut ganti 3.131 bantalan kayu jadi bantalan sintetis

PT Kereta Api Indonesia (KAI) Regional Division I North Sumatra has replaced 3,131 wooden railway sleepers with synthetic alternatives between 2022 and 2026. This infrastructure upgrade is part of an ongoing effort to modernize track components within the region. The transition to synthetic materials is intended to enhance the durability and maintenance standards of the railway network.