Life expectancy evaluation and development of a replacement schedule for LED traffic signals.

Long, Suzanna; Qin, Ruwen; Gosavi, Abhijit; Wu, C.H.; Ryan, Tom; Noll, Casey; Missouri University of Science and Technology

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ROSA P serves as an archival repository of USDOT-published products including scientific findings, journal articles, guidelines, recommendations, or other information authored or co-authored by USDOT or funded partners. As a repository, ROSA P retains documents in their original published format to ensure public access to scientific information.

i

Life expectancy evaluation and development of a replacement schedule for LED traffic signals.

2011-03-01
By Long, Suzanna ; Qin, Ruwen ; Gosavi, Abhijit ; ...

English

Details You May Also Like

Details:

Creators:

Long, Suzanna ; Qin, Ruwen ; Gosavi, Abhijit ; Wu, C.H. ; Ryan, Tom ; ... More +

Long, Suzanna ; Qin, Ruwen ; Gosavi, Abhijit ; Wu, C.H. ; Ryan, Tom ; Noll, Casey Less -
Corporate Creators:

Missouri University of Science and Technology
Corporate Contributors:

HDR Engineering
Subject/TRT Terms:

[+]

Electronic Traffic Controls Equipment Replacement Light Emitting Diodes
Publication/ Report Number:

OR11.015
Resource Type:

Tech Report
Geographical Coverage:

Montana
Edition:

Final report.
Corporate Publisher:

Missouri. Dept. of Transportation. Organizational Results
Abstract:

This research details a field study of LED traffic signals in Missouri and develops a replacement schedule

based on key findings. Rates of degradation were statistically analyzed using Analysis of Variance

(ANOVA). Results of this research will provide a methodology for engineering managers in state

departments of transportation and local communities in identifying best practices and replacement standards

for LED traffic signal technology.
Format:

PDF
Funding:

TRyy1001
Collection(s):

US Transportation Collection
Main Document Checksum:

[+]

urn:sha256:b969671c5496c4835e1c2e6cfb2bc221f23e3ae79b67fa27a95b581b329ab3c7
Download URL:

https://rosap.ntl.bts.gov/view/dot/20359/dot_20359_DS1.pdf
File Type:

[PDF-1.16 MB]