G4218 Ya'an-Yecheng Expressway (Chinese: 雅安-叶城高速公路), commonly referred to as the Yaye Expressway (Chinese: 雅叶高速), is an expressway that will traverse the
Archived from the original on 6 October 2014. Retrieved 30 September 2014. "雅西高速公路大相岭泥巴山隧道双向贯通-新闻频道-雅安北纬网". Archived from the original on 6 October 2014. Retrieved