Presentation Information
[1E1-02]Study on the establishment of standards for deterioration of traffic signs
〇Mayu Kawakami1, Hitoshi Takei2, Tomoyuki Sakuma2, Yoshiyuki Iida2, Masahiro Akutsu3, Yosuke Sanbayashi1 (1. Tamagawa Univercity, 2. Road marking of the Transition and the Efforts, 3. Ergo Research & Design Laboratory)
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