Fundamental Study of Traffic Noise Characteristic due to Change Transverse Rumble Strip Shape

Abstract:

Transverse rumble strips were commonly installed on approaches to intersections, toll plazas, and horizontal curves. The main function is to alert drivers by creating noise and vibration. This TRS has been demonstrated to be effective in reducing traffic accident due to sleeping. However, there are some disadvantages in its utilization, such as traffic noise produced by TRS. The objective of this study was to quantify the level of traffic noise; to verify the effects of speed and TRS shapes. Two types of vehicles [sedan and minivan] were driven over four different patterns of TRS and over cement concrete pavement at four different speeds. Researchers measured the produce noise at 7.5m distance with 1.2 m height from center of the vehicle lane at each test section. Results indicate that vehicle type, speed, TRS shape affects created traffic noise. The sound level of Type A was statistically highest among others.

• Periodical: Advanced Materials Research (Volume 723)
• Pages: 113-120
• DOI: https://doi.org/10.4028/www.scientific.net/AMR.723.113
• Online since: August 2013
• Authors: Jae Jun Lee, Deok Soon An, Jae Kyu Lim, Soo Ahn Kwon, Hyeon Jang Son, Myong So Eo
• Keywords: Pass-By Method, Traffic Noise, Transverse Rumble Strip

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