การประเมินผลมาตรการจากัดความเร็วรถ: กรณีศึกษาถนนมิตรภาพ ช่วงผ่านเมืองขอนแก่น An evaluation of speed limit measure: A case of the Mittraphap highway passing through

The objective of this study is to evaluate the speed control measure on the arterial road of Khon Kaen city. The 60 km/hr speed limit was posted on the urban arterial since 2012. To reveal the existing conditions, this study analyzed the accident data, speed data and enforcement data. Driver’s and government off icer’s attitudes toward the existing speed control measures are captured through the questionnaires survey and interview