The progress of the strategic project of MRT Phase 2A CP203 in the Kota-Glodok area in West Jakarta as of November 2024 has reached 63%. On October 21, 2024, the ceremony was held for the completion of the TBB-1 Breakthrough of tunnel CP203, spanning over a total of 1.4 kilometers and connecting Kota-Glodok-Mangga Besar Stations. The Joint Operation (KSO) between Sumitomo Mitsui Construction Co & Hutama Karya (SMC-HK JO) adopts the latest technology including the Tunnel Boring Machine and the application of Building Information Modeling (BIM).