Hokkaido region
Northern Tohoku region
Southern Tohoku region
Northern Kanto region
Southern Kanto region
Tokai region
Koshin'etsu region
Hokuriku region
Chubu region
Northern Kinki region
Southern Kinki region
Chugoku region
Shikoku region
Kyushu region
Okinawa region
Shuto Expressway
Hanshin Expressway
Nagoya Expressway
Kita-Kyusyu Expressway
Fukuoka Expressway