North Kalimantan
The Pan-Borneo Highway, Asian Highway Route AH150 is supposed to be a circular highway that runs along the coastlines of Sabah, Sarawak, Brunei and Kalimantan. However, a missing link does exist from Serudong, Sabah to Simanggaris, North Kalimantan, which is supposed to connect Sabah with North Kalimantan.