An Examination on the Effects of Measures for Restraining the Illegal Bicycle Parking by Using Poster Which Has Eye-spot Designed to Evoke Presence of Observers

Abstract

The leaving bicycle has become a social problem including structure of social dilemma. In Kyoto city, a number of structural strategies such as increasing parking area for bicycles and removing bicycles are addressed. On the other hand, a lot of signboards warning about illegal bicycle parking are placed around the city as psychological strategy. In spite of this attempt, all that is written is warning and the place storing bicycles. Moreover there is no expect for effect of repressing illegal bicycle parking according to decrepit of signboard and hackneyed. In This study, authors developed posters purposed on repressing the illegal bicycle parking with knowledge of psychology and so on. These posters are placed in some spot that are many illegal bicycle parking and the effect is inspected. As a result, It is shown that the guilty conscious against the leaving bicycle of people can be increased.自転車の放置駐輪は、社会的ジレンマ構造を内包し大きな社会問題となっている。京都市では放置駐輪に対して、駐輪場増設や撤去取締りなどに力を入れている。また、放置駐輪への警告看板を市内のいたるところに設置しているが、その内容は放置自転車の撤去に関する記載に留まり、看板自体も老朽化、陳腐化している。本研究では、心理学などの知見を援用しつつ、放置駐輪の抑制を目的としたポスターを設計した。そして、設計したポスターを、実際に放置駐輪多発地点に設置し、その効果の検証を試みた。その結果、自転車放置者が自転車の放置をためらう意識の活性化等が確認され、ポスター設置による放置駐輪抑制効果が示された。