The study was carried out in the city of Nauta with the purpose of determining the level of noise pollution and the type of vehicle fleet in the City of Nauta. It is an observational, analytical, retrospective, prospective and longitudinal investigation. The information was obtained from the 72 strategic noise sampling points, distributed among the 9.6 km of travel through the city. Sampling was systematic through direct observation of the perceived phenomenon (traffic noise), using a Class 1 sound level meter, AWA 6228, measurements were made at an average height of 1.5 m, with the microphone protected by an anti-wind screen and calibrated, the frequency of vehicles (vehicle/hours) were recorded for each measurement period, for which the vehicles were classified as motorcycles, motorcycles, vans, cars, and others. The monitoring was carried out in the morning (6:00-8:00), noon (11:00-13...