Karakoram Highway the lake by small vessels, to be reloaded onto trucks at the other end. In July 2012 Pakistan began constructing a revised route around the lake at a higher elevation with five new tunnels, with total length of 7.12 km, and two new bridges. The work was contracted out to the China Road & Bridge Corporation (CRBC) and was completed in September 2015—see Karakorum Highway Realignment (China-Pakistan Friendship Tunnels) below. At in length, the Pakistani section of the highway starts at Abbottabad, although the N-35 of which KKH is now part, officially starts from Hasan Abdal. The highway meets 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