Estudo psicofísico sobre conspicuidade, estética e harmonia ambiental de sinais de trânsito / Psychophysics study on conspicuity, aesthetics and urban environment harmony of traffic signs

AUTOR(ES)
DATA DE PUBLICAÇÃO

2005

RESUMO

In this work the conspicuity (visual impact), aesthetic and the environment harmony of the main traffic signs in the urban area are analyzed. The analysis is performed based on questionnaires answers applyed the groups of people (subjects), using the psychophysics method of comparison in pairs. The research is focus in the following traffic signs: regulatory signs - stop sign, one way sign - , speed bump warning sign and guide signs. In the case of the regulatory and warning signs the next attributes had been investigated: size of the sign, width and color of the support. In guide sings, the ground color sign and structure color had been investigated. About stop sign, the research points as more indicated a sign width of 80 cm, support width of 12,5 cm and red or white color. Concerning on one way sign, the pointed out characteristics are: sign width between 60 and 70 cm, support width of 12,5 cm and red color. In relation the speed bump warning sign, the more indicated characteristics: sign width of 80 cm, support width of 12,5 cm and black color. About guide sings, the research indicates as more indicated the following featuress: blue color to the sign ground (distinct of the green sing regulated by the brazilian traffic code) and black or green color to sustentation structure of the green color sign (color regulated by country laws). The comparison of some results found in the work with those gotten in other early research shows a great conformity. Its important to highlightes, however, that the results gotten in the work must be seen as tendencies, because the sample size and stratification does not satisfy the requirements to the trustworthiness statistics results.

ASSUNTO(S)

urban environment harmony and aesthetics traffic engineering conspicuidade psychophysics traffic signs engenharia de tráfego conspicuity harmonia ambiental e estética road safety psicofísica sinalização de trânsito segurança viária

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