Figure 5-30 Transportation Noise Levels
Transportation Noise Levels
Sources: Aircraft noise. adapted from 14 Code of Federal Regulations, Part 36, appendix C; Highway and railroad noise: P.M. Nelson, ed., Transportation Noise Reference Book (London, England: Butterworths, 1987) and T. Berge, Vehicle-Noise Emission Limits: Influence on Traffic Noise Levels Past and Future, Noise Control Engineering Journal, vol. 42, no. 2, March_April 1994; All other information adapted from Ann Arbor Science Publishers, Inc., Environmental Impact Data Book (Ann Arbor, MI: 1979).