Explore details about location 国道3号. 国道3号 is a location situated within the 小倉北区 alongside other areas such as 長行田町線, 北九州都市高速１号線, 国道3号. Additionally, some smaller parts of 国道3号 include specific areas like 北九州都市高速２号線, 下到津戸畑線, 大蔵到津線 adding to the diversity of its landscape.