Noise barriers are mainly applied to reduce road traffic noise on highways; however, noise control methods need to be diversified owing to structural limitations and economic problems. In this study, the diamond grinding (DG) and next generation concrete surface (NGCS) methods applied to improve performance due to aging concrete pavement were proposed as noise control methods. It is expected to be more effective as a noise reduction countermeasure because it is easier to construct, cheaper than existing noise barriers, and can reduce the vehicle wheel noise, which is the majority of road traffic noise. The pass-by noise is measured and analyzed on five construction points of the concrete road improvement methods and the respective existing pavement points simultaneously. The CPX noise was also measured on seven measurement points by connecting wheel noise measurement equipment to the vehicle, and the wheel noise between the existing and improved pavement surfaces while driving at a design speed (100km/h) of the highway were compared. From this study, it was confirmed that noise reduction by concrete pavement surface improvement methods can have an effect of 3.9dB(A)to 5.8dB(A).