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Last Updated: Tuesday, April 15, 2008 10:13 AM

Publications

Noise Technical Advisories

• "Highway Traffic Noise Model Calibration for Various Roadway Surfaces" technical advisory.
• Berm and Wall Options, Coding of Low Barriers, Zero Height Index, Grade Corrections, and Other Issues in Sound32/ Sound 2000 and LeqV2 Traffic Noise Prediction Programs
• Distance Limits for Traffic Noise Prediction Models
• General Guidelines For Studying the Effects of Noisse Barriers on Distance Receivers
• Use of California Vehicle Noise Reference Energy Mean Emission Levels in Stamina 2.0 FHWA Highway Traffic Noise Prediction Program

Vibration Technical Advisories

• Transportation Related Earthborne Vibrations

Quiet Pavement Information

• IH-80 Davis OGAC Pavement Noise Study 7th Year Report is the longest running quiet pavement study in the nation.
• Caltrans continues to refine the process for measuring tire/pavement noise levels with the second generation, dual probe OBSI. "Further Development of the Sound Intensity Method of Measuring Tire noise Performance of In-Situ Pavements".
• "California Tests Show Pavement Selection Influences Noise Levels", Hot Mix Asphalt Technology Magazine, November/December 2005
• "Comparative Measurements of Tire/Pavement Noise in Europe and the United States, A Summary of the NITE Study" is the first definitive acoustic comparison of quiet pavements in Europe to typical pavements in California and Arizona.

Other Publications

• Traffic Noise Attenuationn As A Function of Ground And Vegetation
• Califonia Vehicle Noise Emission Levels

Should you have any problems, please contact Lefteris Koumis at 916-653-0035 or by email or use this feedback form.