Notice
- [E18] Joshin-Etsu Expressway (between Shinanomachi IC and Joetsu JCT) Notice of night traffic closure due to construction of 4 lanes (August-September 2019)
- [E18] Joshin-Etsu Expressway (between Nakago IC and Joetsu JCT) Notice of night traffic closure due to construction of 4 lanes (September to October, 2019)
- [E18] The Joshin-Etsu Expressway (between Shinanomachi IC and Joetsu JCT) will be a total of 4 lanes on Thursday, December 5