The Hokuriku Regional Development Bureau's Takada River National Highway Office and Nagaoka National Highway Office of the Ministry of Land, Infrastructure, Transport and Tourism will be implementing a new information delivery method using "push notifications" to distribute information to smartphones in the event of obstacles on National Route , National Route , National Route , National Route , Hokuriku Expressway, Kanetsu Expressway, and Joshinetsu Expressway due to abnormal snowfall during the winter season. The information delivery period will be from November , to March , . The following information will be delivered through push notifications when the following events occur: ) closure and reopening of National Route , National Route , National Route , and National Route , ) occurrence and resolution of vehicles unable to travel on National Route , National Route , National Route , and National Route , ) closure and reopening of Hokuriku Expressway, Kanetsu Expressway, and Joshinetsu Expressway, ) implementation and lifting of chain regulations on Joshinetsu Expressway, and ) implementation and lifting of guidance for large vehicles to install chains on National Route , National Route , National Route , National Route , Hokuriku Expressway, Kanetsu Expressway, and Joshinetsu Expressway. The source of the information is the Takada River National Highway Office of the Ministry of Land, Infrastructure, Transport and Tourism, and the Nagaoka National Highway Office of the Ministry of Land, Infrastructure, Transport and Tourism.