Explore details about location 国道490号. 国道490号 is a location situated within the 宇部市 alongside other areas such as 国道2号線, 宇部湾岸道路, 宇部停車場線. Additionally, some smaller parts of 国道490号 include specific areas like 国道１９０号, 琴芝際波線 adding to the diversity of its landscape.