Explore details about location 国道２３号. 国道２３号 is a location situated within the 四日市市 alongside other areas such as 宮妻峡線, 国道１号, 東海道. Additionally, some smaller parts of 国道２３号 include specific areas like 楠河原田線, 采女大治田線, 宮東日永線 adding to the diversity of its landscape.