Reconstruction of the Karakoram Highway the China-Pakistan Friendship Tunnels can be traced to 2013, when China began construction on a bypass of Attabad Lake with a combination of 5 km worth of tunnels, two large bridges, and 78 small bridges to bypass the lake which had been formed after a 2010 earthquake triggered massive landslides. The resulting landslides cut off both the Indus River and Karakoram Highway resulting in the formation of the reservoir. Prior to completion of the bypass, all vehicular traffic had to be loaded onto barges to traverse the new reservoir. Construction of the tunnels began in 2012 and required 36 months
Idaho State Highway 4 map (later routed over Cooper Pass). This plan was abandoned due to impassable roads and World War II. Paved SH-4 was truncated at Burke. National Forest Road 7623 still connects Burke to Montana Secondary Highway 471 leading to Thompson Falls. Idaho State Highway 4 State Highway 4 (SH-4) is a state highway in Shoshone County, in the U.S. state of Idaho. It runs from Interstate 90 (I-90) in Wallace, east to the ghost town of Burke. SH-4 begins at an intersection with I-90 in Wallace, then heads generally northeast through Burke Canyon, past historical markers for Frisco Hill and Burke,