August 2021 - Construction underway; February 2021 - Parapat - Tebing Tinggi section expected to be completed by December 2021 while Parapat-Sibolga section will be completed in 2024; Groundbreaking ceremony of Parapat - Tebing Tinggi Section held in July 2019; Project is divided into 2 sections (Parapat - Tebing Tinggi) and (Parapat-Sibolga); Project cost - IDR19.78trn