About MIYATA TOSHITAKA
About 首都高速道路
About urban expressway
About road improvement
About Kanagawa prefecture
About road network
About road transportation
About productivity enhancement
About competitiveness
About disaster countermeasure
About redundancy(property)
About sightseeing
About Yokohama City
About global competitiveness
About Metropolitan Expressway
About Road engineering in general
About Road transportation and service in general
About 横浜
About 環状
About 期待