Penentuan prioritas program preservasi jalan berdasarkan nilai IRI di jalan nasional DKI Jakarta: studi kasus: Jalan Daan Mogot, Jalan Ciputat Raya, Jalan Kartini, dan Jalan Tb. Simatupang = Priority determination of road preservation program based IRI value on national road DKI Jakarta: case study: Daan Mogot Street, Ciputat Raya Street, Kartini Street, and Tb. Simatupang Street