Highway 1 in the Philippines is a major highway that runs through the heart of the country, connecting the capital city of Manila to the northern provinces of the country. It is one of the longest highways in the Philippines, stretching over 1,000 kilometers from Manila to Laoag City in
The Pan-Philippine Highway, also known as the Maharlika Highway, is a network of roads, expressways, bridges, and ferry services connecting the islands of Luzon, Samar, Leyte, and Mindanao in the Philippines, serving as the country's principal transport backbone. Measuring 3,379.73 kilometers (2,100.07 mi) in length, excluding sea routes not counted by highway milestones, it is the longest road in the Philippines and forms the north–south backbone component of National Route 1 (N1) of the Philippine highway network. The entire highway is designated as Asian Highway 26 (AH26) of the Asian Highway Network.