Karakoram Highway Pakistani-Chinese border at Khunjerab Pass. As part of the $46 billion China Pakistan Economic Corridor, reconstruction and upgrade works on the Pakistani portion of the Karakoram Highway (KKH) are underway. The KKH spans the long distance between the China-Pakistan border and the town of Hasan Abdal. At Burhan Interchange near Hasan Abdal, the existing M1 motorway will intersect the Karakoram Highway. From there, access onwards to Islamabad and Lahore continues as part of the existing M1 and M2 motorways, while Hasan Abdal will also be at intersection of the Eastern Alignment, and the Western Alignment which will lead towards the
Puerto Rico Highway 1 of what became PR-1 began with the building of the "Carretera Central", started during the governorship of Miguel de la Torre (1822-1837). A small section from San Juan to Río Piedras was then started. The Carretera Central proceeds south to Cayey along the route of the PR-1, then diverges, and was completed in 1887, taking over 50 years to complete. The Road was also known as "La Carretera Militar" (The Military Road). The modern PR-1 was opened on 10 March 1907. Puerto Rico Highway 1 Puerto Rico Highway 1 (or PR-1) connects the city of Ponce to San Juan. Leaving