Through anaslysing the interrelation between zone industry economy development and rode transportation demand , road transportation supplying , and the value of time saving on road freight or passenger transportation , this paper studys in the adaptability of road transportation from two angles , which inclidue material quantity and economic value . eventually , this paper puts forward corresponding road transportation adaptability evaluate indexes , which are used to service for practising 本文从区域三次产业经济发展对道路运输需求相关分析入手,结合道路运输供给、道路客货运输在途时间节约所产生的时间价值等方面的分析,分别从物量角度和效益角度对道路运输的适度性进行研究,并构建了相应的适度性评价指标。