Korean outfit inks fourth-stage development contract The Korea National Railway (KNR) announced on May 31 that the South Korean outfit had inked a memorandum of understanding (MOU) with PT MRT Jakarta. Under the agreement, the KNR-headed consortium would work on the Jakarta mass rapid transit (MRT) system in the capital city of Indonesia. The Korean The Korea National Railway (KNR) announced on May 31 that the South Korean outfit had inked a memorandum of understanding (MOU) with PT MRT Jakarta.