Evaluation of Overhead Sign Background Materials and Mercury Vapor Sign Lighting Fixtures

Jones, H. Dexter; Raska, Joseph G.

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Evaluation of Overhead Sign Background Materials and Mercury Vapor Sign Lighting Fixtures

1979-02-01
By Jones, H. Dexter ; Raska, Joseph G.

File Language:

English

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Creators:

Jones, H. Dexter ; Raska, Joseph G.
Corporate Contributors:

Texas State Department of Highways and Public Transportation ; Houston Urban Office and Materials and Tests Division
Subject/TRT Terms:

Alternatives Analysis Coatings Color Durability Evaluation Legibility Lighting Mercury Mercury Vapor Lamps Overhead Traffic Signs Retaining Walls
Publication/ Report Number:

222-1
Resource Type:

Tech Report
Geographical Coverage:

United States ; Texas
Corporate Publisher:

Texas State Department of Highways and Public Transportation
Abstract:

Coating materials based on thermal setting polyester, thermal setting polyvinylidene fluoride, and air dry polyvinylidene fluoride have been found to be satisfactory coating materials for Overhead Guide Signs. The above three coatings also show excellent promise as materials for refurbishing deteriorated porcelain-enameled aluminum Overhead Guide Signs. Coatings based on polyurethane, vinyl toluene/acrylate copolymers, acrylic and alkyd do not produce overhead guide sign backgrounds of sufficient durability and color retention to warrant their use. Overhead Guide Signs can be illuminated to sufficient target value and uniformity with certain 100-watt mercury vapor lighting units. Most 175- and 250-watt mercury vapor lighting units present legibility washout problems, in particular the 250-watt units.
Format:

PDF
Funding:

1-18-75-222
Collection(s):

US Transportation Collection
Main Document Checksum:

urn:sha-512:a29914d7b38a15fd4285bab00a6f9afc5d410eacf94891f52f60661c04a3219cc00ae7697b9f7185c46fa22c0bf690ca58e51569ed2310273bcec77fbc58f05f
Download URL:

https://rosap.ntl.bts.gov/view/dot/84830/dot_84830_DS1.pdf
File Type:

[PDF - 56.08 MB ]

File Language:

English

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