China National Highway 219 (G219) runs along the southwestern border of the People's Republic of China, from Yecheng (Karghilik) in the Xinjiang Uyghur Autonomous Region to Lhatse in the Tibet Autonomous Region. It is 1,296 miles (2,086 kilometers) in length. Construction of this road was started in 1951. It was completed in 1957. The road passes through disputed area of Aksai Chin, an area administered by the People's Republic of China but also claimed by India, and its construction was one of the triggers for the Sino-Indian War of 1962. Originally made of gravel, it was fully paved with asphalt in 2013.