DescriptionE18-JP.png English: Japan Expressway E18 route number sign Date 8 May 2019 Source Own work Author Tiemestari...
DescriptionJP Expressway E18.svg English: Alphanumeral road sign for Joshin-Etsu Expressway Date 6 August 2023 Source Own work based on: E18 Expressway...
DescriptionE18 Expressway (Japan).png English: Joshin-Etsu Expressway Date 24 October 2016 Source MLIT Japan Author MLIT Japan Permission (Reusing this...