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
Gilgit-Baltistan Highway (KKH), which was completed in 1978. The Karakoram Highway connects Islamabad to Gilgit and Skardu, which are the two major hubs for mountaineering expeditions in Gilgit-Baltistan. The journey from Rawalpindi/Islamabad to Gilgit takes approximately 20 to 24 hours. Landslides on the Karakoram Highway are very common. The Karakoram Highway connects Gilgit to Tashkurgan Town, Kashgar, China via Sust, the customs and health-inspection post on the Gilgit-Baltistan side, and the Khunjerab Pass, the highest paved international border crossing in the world at . Northern Areas Transport Corporation (NATCO) offers bus and jeep transport service to the two hubs and several