Explore details about location 国道１９０号. 国道１９０号 is a location situated within the 宇部市 alongside other areas such as 宇部湾岸道路, 宇部美祢線, 国道１９０号. Additionally, some smaller parts of 国道１９０号 include specific areas like 妻崎開作小野田線 adding to the diversity of its landscape.