Noise harriet Is used for noise reduction method of traffic noise. The length and the total cost of that are increased In this national area. But. a maintenance management of noise barrier is not systematic. and the guideline of that is not prepared for maintenance manual. The situations of existed installation and management of noise barriers Installed at 3.619 positions were investigated by questionnarie and direct field survey. And comparisons with foreign management guideline of noise harrier were carried out. The results show that the improvement methods of maintenance management system such as practical checklist and required Items for management of noise barrier were suggested.