Quantifying the Performance of Low-Noise Transverse Rumble Strips

Hurwitz, David S.; Horne, Dylan; Jashami, Hisham; Oregon State University. School of Civil and Construction Engineering

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Quantifying the Performance of Low-Noise Transverse Rumble Strips

2019-08-01
By Hurwitz, David S. ; Horne, Dylan ; Jashami, Hisham

[PDF-3.15 MB]

English

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Details:

Alternative Title:

Quantifying the Performance of Low-Noise Transverse Rumble Strips: Final Technical Memo [Project Title from Cover]
Creators:

Hurwitz, David S. ; Horne, Dylan ; Jashami, Hisham

Hurwitz, David S. ; Horne, Dylan ; Jashami, Hisham Less -
Corporate Creators:

Oregon State University. School of Civil and Construction Engineering
Corporate Contributors:

Oregon. Dept. of Transportation. Research Section ; United States. Department of Transportation. Federal Highway Administration

Oregon. Dept. of Transportation. Research Section ; United States. Department of Transportation. Federal Highway Administration Less -
Subject/TRT Terms:

[+]

Epoxides Feasibility Analysis Noise Control Probe Vehicles Retrofitting Rumble Strips Sound Level Statistical Isolated Pass-By Method(SIP) Tire/Pavement Noise Transverse Rumble Strips
Publication/ Report Number:

FHWA-OR-RD-20-01
Resource Type:

Tech Report
Geographical Coverage:

Oregon ; United States

Oregon ; United States Less -
Edition:

Final Technical Memo
Corporate Publisher:

Oregon. Dept. of Transportation. Research Section
Abstract:

Transverse rumble strips (TRS) generate noise and vibration to alert drivers when they are approaching an intersection with traffic control, e.g. stop signs. TRS have been shown to reduce crashes up to 30% but have noise concerns (Finley et al., 2007). This study evaluated the feasibility of using shallow, epoxy filled TRS (EFTRS) as a substitute to address noise concerns. A total of 24 vehicle strikes were recorded. Exterior sound levels generated by TRS strikes were compared to baseline and EFTRS using a probe vehicle. Experimental framework was based on previous studies of RS and the AASHTO SIP Method. Humans can detect differences in noise levels at 3 dB, with 5 dB being easily noticed. The EFTRS vs TRS mean sound dropped from 87.58 dBA to 84.09 dBA, a noticeable 3.49 dBA. When both are compared based on their peak (max value), the difference was a clearly detectable drop of 6.04 dBA. Additionally, the sound level generated from the EFTRS is higher than the paved condition, with a 95% CI [0.14 dBA, 4.77 dBA]. This means that the EFTRS are quieter than the original TRS (4x louder compared to vehicle on flat pavement), but are still noticeable compared to background traffic.
Format:

PDF
Collection(s):

US Transportation Collection
Main Document Checksum:

[+]

urn:sha256:70363c2e6def6fc5e9f72bd65292e3b023bb2978003b8dfb9158db7e5db7ebe4
Download URL:

https://rosap.ntl.bts.gov/view/dot/66180/dot_66180_DS1.pdf
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No Additional Files

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Quantifying the Performance of Low-Noise Transverse Rumble Strips

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