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MONITORING LEVEL OF SERVICE NEAR URBAN HIGHWAY SEGMENTS BY NOISE LEVEL EVALUATION | ||
| Tikrit Journal of Engineering Sciences | ||
| Article 1, Volume 12, Issue 4, 2005, Pages 74-104 PDF (0 K) | ||
| Author | ||
| Mohammad Ahamad Hummody | ||
| Abstract | ||
| When possible, existing highway levels of service should be monitored by field measurements. As is the case with all fieldwork, traffic measurements are relatively expensive; they take time, personnel and equipment This research look after the feasibility of developing an acoustic sensing model to monitor the traffic flow at the highway sections instead of continuous counting of volume or other method of traffic monitor and surveillance devices. Vehicle tires radiate the major source of road noise. These phenomena can be used by cross-correlating the acoustic responses from roadside microphones with highway measure of effectiveness. The results demonstrated the feasibility of detecting LOS in the acoustic manner. The statistical regression technique gives power correlation model between the noise level as Noise Equivalent level or Noise Pollution Level and the density on the road sections. Other linear correlation models can be seen between these noise levels and the Level of Service of the highway but with less significant. | ||
| Keywords | ||
| Traffic Noise; Traffic Monitoring and Measure of Effectiveness | ||
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