“It's an all-weather road,” explains Aaditya Dave, a research analyst at the Royal United Services Institute (RUSI). “It allows troops to move on it even in cool weather. It also has feeder roads that stem off from the main road and move towards the Line of Actual Control.” That line, though, is more of a fuzzy demarcation between China and India. And that’s where the problem lies. “It is closer to the border, and closer to areas China seeks to claim,” says Dave.