Explore details about location 国道306号線 (Route306). 国道306号線 (Route306) is a location situated within the 四日市市 alongside other areas such as 宮妻峡線, 平尾茶屋町線, 国道４７７号. Additionally, some smaller parts of 国道306号線 (Route306) include specific areas like 茶屋町湯の山停車場線, 国道３０６号, 平尾茶屋町線 adding to the diversity of its landscape.