Proven Safety Countermeasures: Backplates with Retroreflective Borders

i

Proven Safety Countermeasures: Backplates with Retroreflective Borders

File Language:

English

Details

Corporate Creators:

United States. Department of Transportation. Federal Highway Administration. Office of Safety
Subject/TRT Terms:
Publication/ Report Number:

FHWA-SA-21-039
Resource Type:

Brief
Geographical Coverage:

United States
Corporate Publisher:

United States. Department of Transportation. Federal Highway Administration. Office of Safety
Abstract:

Backplates added to a traffic signal head improve the visibility of the illuminated face of the signal by introducing a controlled-contrast background. The improved visibility of a signal head with a backplate is made even more conspicuous by framing it with a 1- to 3-inch yellow retroreflective border. Signal heads that have backplates equipped with retroreflective borders are more visible and conspicuous in both daytime and nighttime conditions.
Format:

PDF
Download URL:

https://rosap.ntl.bts.gov/view/dot/66804/dot_66804_DS1.pdf
File Type:

[PDF - 274.84 KB]
Collection(s):

Federal Highway Administration
Main Document Checksum:

urn:sha-512:5f98a494bab7a58c474bd48fa974c11ca54c986f998b6e4f31ab1eae91df07fac487bbeb36dadbcf5cf18a86e1273a4a53e13c6916ba6a2c987b41cb4f3689ee

File Language:

English

ON THIS PAGE

Details

Found an issue?

Send us an email at:

publishinghd@cdc.gov

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.