PROBLEM TO BE SOLVED: To provide transportation means for people difficult to come home, who are expected to generate in large numbers in case of a large disaster such as an earthquake, the transportation means being high in reliability, excellent in convenience, movable faster than walking, small in fatigue, and available even in bad road conditions.;SOLUTION: There is provided a homecoming supporting bicycle parking system which is composed of an underground storage chamber where a hanger conveyor system is set, and a shared bicycle taken-out/in box on the ground surface. The bicycle parking system has a structure that prevents hangers having the shared bicycles fixed thereto and hanging from the hanger conveyor system, and vacant hangers, from interfering with each other under a hanging condition, and a structure that can easily avoid interference between the bicycles when taken out of/into the underground storage chamber, by using the shape characteristics of the bicycles. Thus the bicycle parking system satisfies both two characteristics, i. e. high bicycle parking area efficiency and ease of taking-out/in the bicycles, that are likely to be trade-off factors. When a number of the homecoming supporting bicycle parking system thus provided are arranged, desires of the users and bicycle parking area providers are released to the public on a network, and a number of locations of the bicycle parking systems are determined by successively converging the desires.;COPYRIGHT: (C)2009,JPO&INPIT
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