*Reiko Okamoto¹, Tomoyuki Aoki¹, Eiji Owaki¹, Toru Shigemitsu¹, Naoaki Sekiguchi², Masaki Takahara² (1. TAISEI CORPORATION, 2. VSL JAPAN)

*Shinya Tanaka¹, Masahiro Kaneko¹, Toyokazu Murakami² (1. West Nippon Expressway Engineering Chugoku , 2. Nippon Expressway Research Institute )

*Masaki Nakamoto¹, Shingo Yanagisako¹, Toyokazu Murakami² (1. West Nippon Expressway Engineering Chugoku Co.,Ltd., 2. Nippon Expressway Research Institute Co.,Ltd.)

*Takumi Sato¹, Ken'ichi Honda¹, Tomohiro Taguchi¹, Takeshi Kubo¹, Fumitaka Sato², Takao Oguchi², Shiho Tachiyuki², Satoshi Tanaka², Yuta Morimoto² (1. Kokusai Kogyo, 2. Matsumoto Sabo Office)

*Akinobu Nishio¹, Yuzo Onishi², Yasuhiro Masuda³ (1. Construction Services in Kinki Region , 2. Kyoto University, 3. Ministry of Land, Infrastructure, Transport and Tourism Kinki Regional Development Bureau)

*Toyokazu Murakami¹, Jun Nakamura¹, Tetsushi Maekawa², Takuya Kodani² (1. Nippon Expressway Research Institute Company Limited, 2. West Nippon Expressway Engineering Chugoku Company Limited)

*Takumi Kodani¹, Sakura Oki¹, Toyokazu Murakami², Shingo Yanagisako¹ (1. West Nippon Expressway Engineering Chugoku Co.,Ltd. , 2. Nippon Expressway Research Institute Co.,Ltd.)