The evaluation system of expressway service quality includes the subject object of evaluation, indexes system of evaluation, evaluation criteria and rating method. Therefore, the design of evaluation criteria and rating are essential to the establishment of the evaluation system of expressway service quality. 高速公路营运服务质量评价体系由评价主客体、评价指标体系、评价标准、评分方法4部分组成,其中评价标准及评分方法是建立高速公路营运服务质量评价体系的关键环节。