Effective Low-Noise Rumble Strips

By: National Academies of Sciences, Engineering, and Medicine and Transportation Research Board and National Cooperative Highway Research Program and Shannon McKenna and Judith Rochat and Carrie J. Janello and Paul R. Donavan

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Synopsis: Rumble strips are proven safety countermeasures for roadway departure crashes. They produce vibration and noise to alert drivers that they are drifting from the travel lane. Neighboring residents?contiguous to roadways with rumble strips?often complain about the noise generated by these appurtenances. This has prompted a need to simultaneously study noise mitigation and rumble strip design and application. NCHRP Research Report 1107: Effective Low-Noise Rumble Strips, from TRB’s National Cooperative Highway Research Program, proposes a rumble strip design that would minimize exterior noise on the outside of the vehicle yet generate sufficient auditory and vibratory response on the inside of the vehicle to alert the operator of a roadway lane departure. Supplemental to the report are Appendices A, B, C, D, and E and a presentation.

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