Route 400 is a national highway of Japan connecting Mito, Ibaraki and Nishiaizu, Fukushima, with a total length of 225.7 km (140.24 mi). "一般国道の路線別、都道府県別道路現況"...

National Route 4 (国道4号, Kokudō Yongō) is a major national highway in eastern Honshū, Japan. Measuring 738.5 kilometers long (458.9 mi), it is the longest...

while traveling on Route 353 through Nakanojō" 【歌詞付】いつも何度でも【メロディーロード】群馬県中之条町国道353号. YouTube. Archived from the original on 2021-12-22. Retrieved June 10, 2020...

"新突破！城开高速控制性工程吴家梁隧道掘进4000米大关_高速公路". www.sohu.com. Retrieved 2020-10-11. "国道109新线饮马鞍隧道开挖进尺突破4000米！". j.021east.com. Retrieved 2022-05-22. 网易 (2021-09-11)...

"新突破！城开高速控制性工程吴家梁隧道掘进4000米大关_高速公路". www.sohu.com. Retrieved 2020-10-11. "国道109新线高速公路饮马鞍特长隧道贯通_北京市_交通_门头沟区". www.sohu.com. Retrieved 2024-06-25. "景文3标项目叶麻尖1#隧道顺利进洞施工"...

with a total length of 179.4 km (111.5 mi). Japan portal Roads portal "一般国道の路線別、都道府県別道路現況" [Road statistics by General National Highway route and prefecture]...

401 in the village of Katashina in Gunma Prefecture is a musical road. "一般国道の路線別、都道府県別道路現況" [Road statistics by General National Highway route and prefecture]...

Routes 4, 6, 115, 118, 121, 252, 294, 349 and 400 in Niigata Prefecture Routes 7, 8, 290, 403, 459 and 460 "一般国道の路線別、都道府県別道路現況" [Road statistics by General...