This research examined measuring method by questionnaire survey with presenting a hypothetical measurement example of vibration induced by traffic vibration in room. Results obtained by the survey were the followings.
(1) For the measurement of magnitude of the vibration, basically use of traffic vibration source. However, in order to compare after other buildings and measures, it was found that the input is used together with known vibration source. (2) For the measurement of magnitude of vibration, many respondents select the center of the room and the middle of floor surrounded by large or small beams.
