How to Use iHighway

iHighway provides traffic information for expressways throughout Japan.
Before using please check how to use below.
Service only available in Japanese at this time, however, we will keep improving it to make it more convenient.

iHighway How to Check Traffic Conditions

Select Area Within Japan

Click on the area you want to check on the Traffic Conditions Map.

Prefectures in Each Area
北海道(Hokkaido):
Hokkaido
東北(Tohoku):
Aomori, Akita, Iwate, Yamagata, Miyagi, Fukushima
Hokuriku & Shinetsu
Toyama, Ishikawa, Fukui, Nagano, Niigata
関東(Kanto):
Ibaraki, Tochigi, Gunma, Saitama, Chiba, Tokyo, Kanagawa
東海(Tokai):
Aichi, Gifu, Mie, Shizuoka
関西(Kansai):
Osaka, Kyoto, Hyogo, Nara, Shiga, Wakayama
中国(Chugoku):
Tottori, Shimane, Okayama, Hiroshima, Yamaguchi
四国(Shikoku):
Tokushima, Kagawa, Ehime, Kochi
九州沖縄(Kyushu & Okinawa):
Fukuoka, Saga, Nagasaki, Kumamoto, Oita, Miyazaki, Kagoshima, Okinawa

Check Traffic Conditions

Check traffic information on detailed map of the area.
* Please refer to the Romaji Search Page for the Japanese name of an expressway, IC or JCT in the Central Japan area.

Legend
通行止:
Road Closure
冬用タイヤ等装着:
Snow Tires, etc. Required
片側交互通行:
One Way Alternating Traffic
渋滞:
Congestion
事故等:
Accident, etc.
調整中:
Updating