Alphanumeral road sign for Shin-Tōmei Expressway (Shimizu − Shin-Shimizu), Chūbu-Ōdan Expressway (Shin-shimizu − Futaba), Chūō Expressway (Futaba − Nagasaka), and Chūbu-Ōdan Expressway (Nagasaka − Sakukomoro)
Own work based on: E52 Expressway (Japan).png
Ministry of Land, Infrastructure, Transport and Tourism (MLIT) Japan