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 国道2号線, 国道１９０号, 国道４９０号. Additionally, some smaller parts of 国道１９０号 include specific areas like 国道490号, 国道４９０号 adding to the diversity of its landscape.