The more populated areas are served by surfaced roads, but remote areas can only be reached by dirt roads which become impassable in rainy weather.
人口較多、地勢較低的山坡幾乎都已鋪有柏油路；但地勢較高處，則仍為黃土路面，每逢下雨就泥濘難行；深山裡還有些地方沒有道路，居民出入都靠步行與攀爬。