Explore details about location 関越自動車道. 関越自動車道 is a location situated within the 長岡市 alongside other areas such as 滝谷三和線, 国道402号線, 県道22号. Additionally, some smaller parts of 関越自動車道 include specific areas like 関越自動車道 (KAN-ETSU EXPRESSWAY), 国道8号線 adding to the diversity of its landscape.