Explore details about location 国道３１６号. 国道３１６号 is a location situated within the 美祢市 alongside other areas such as 中ノ川於福停車場線, 伊佐吉部山口線, 宇部美祢線. Additionally, some smaller parts of 国道３１６号 include specific areas like 中ノ川於福停車場線, 大嶺於福線 adding to the diversity of its landscape.