Explore details about location 国道３２４号. 国道３２４号 is a location situated within the 天草市 alongside other areas such as 碇石中田線, 本渡牛深線, 大宮地宮地岳線. Additionally, some smaller parts of 国道３２４号 include specific areas like 国道２６６号 adding to the diversity of its landscape.