United States Department of Transportation
i
Noise Assessment of the Port Authority Transit Corporation Lindenwold Rail Transit Line
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1978-10-01
[PDF-8.35 MB]
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Abstract:This report describes the noise climate on and near the Port Authority Transit Corporation (PATCO) Lindenwold High Speed Line. It is one of a series of coordinated assessments sponsored by the Urban Mass Transportation Administration and technically administered through the Transportation Systems Center of the U.S. Department of Transportation. The PATCO urban rail transit line has approximately 14.2 miles of two-way revenue track (of which about four miles are in subway), and 12 stations. Noise level data is given for specific measurements made in cars, in stations, and along the non-subway wayside at appropriate locations. Based on these measurements, in-car average maximum sound levels, LA (Max), range from 72 to 84 dBA and are estimated to be in the 70 to 79 dBA interval for 95 percent route of the PATCO route. Wayside LA (Max) levels, at 15m (50 ft) from the near track, range from 76 to 84 dBA and are in the 80 to 84 dBA interval for 84 percent of the above ground route mileage. Station LA (Max) levels are somewhat more dispersed and are in the 70 to 74 dBA interval for 42 percent of PATCO stations, and in the 80 to 89 dBA interval for 58 percent of the stations. The rationale for choice of measurement sites and the methodology for arriving at the summary noise distributions from the data are discussed explicitly. Measurement and analysis instrumentation and procedures are also described.
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