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The noise level environment for Brazilian urban bus drivers (city of Curitiba) was examined. Noise levels were measured in 3 types of buses: (1) bi-articulated, (2) speedy, and (3) feeder, 20 buses of each type. Bi-articulated buses are formed by three cars and two hinges, and operate in exclusive lanes, where cars are not allowed. They stop at specific stations intended for rapid loading and unloading...
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