The Sarawak section of the Federal Route 1, Asian Highway Route AH 150, also known as Pan Borneo Highway Sarawak or Sarawak First Trunk Road, is a 1077-km federal highway in Sarawak, Malaysia, making the highway as the longest component of the Malaysian portion of the larger Pan Borneo Highway network. Construction of the highway began in 1965 after Sarawak became a member of the federation of Malaysia in 1963. The combined length of the Pan Borneo Highway Sarawak and its Sabahan counterpart forms the longest federal highway in Malaysia, with the total length of 1,503 km.