Strategic Highway 1 (S-1), also known as the Gilgit–Skardu Road (Balti: སྐར་མདོ་གིལགིཏ་རྒྱ་ལམ) or Skardu Road, is a 167-kilometre-long (104 mi) highway in Pakistan that links the cities of Gilgit and Skardu in Gilgit−Baltistan. It was constructed by the Pakistan Army Corps of Engineers and the Association of Chinese Engineers from 1970 to 1982.