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Trains are a means of transportation that is used by people to avoid congestion. However, the train station is one of the most frequently exposed to noise. This is due to the sound intensity of the operational activities in the location. Passengers and station officers are environmental components exposed to noise. In this study the value of sound intensity level at the railway station of Medan city is measured using Sound Level Meter. This measurement was carried out for six days. The highest sound intensity level for the train departs by 96,67 dB and for the train arrival of 96,66 dB. While the lowest sound intensity level of train departures is 81,41 dB and the arrival of trains is 83,75 dB. It can be noted that the high level of sound intensity is sourced from the friction of the wheels with the rail surface, notification speakers and train horns. It can also be used to find the most appropriate solution to reduce the noise level in the railway station area