Explore details about location 山口防府線. 山口防府線 is a location situated within the 山口市 alongside other areas such as 国道９号線, 山口秋吉台公園自転車道線, 山口秋吉台公園自転車道線. Additionally, some smaller parts of 山口防府線 include specific areas like 中国自動車道 adding to the diversity of its landscape.