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Research article

First published 2003

Legibility of Overhead Guide Signs with Encapsulated Versus Microprismatic Retroreflective Sheeting

Paul J. Carlson, Gene Hawkins

Transportation Research Record: Journal of the Transportation Research Board

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Research article

First published 1999

Laboratory-Accelerated Versus Outdoor Weathering for Retroreflective Sheeting Specifications

Warren D. Ketola

Transportation Research Record: Journal of the Transportation Research Board

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Research article

First published 2005

Maximizing Legibility of Unlit Freeway Guide Signs with Clearview Font and Combinations of Retroreflective Sheeting Materials

Paul J. Carlson, Andrew Holick

Transportation Research Record: Journal of the Transportation Research Board

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Review article

First published 2021-11

The effect of backside elements on the light emission of a plastic optical fiber assembly

Hakyung Cho, Hayoung Song

Textile Research Journal

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Research article

First published 2022-7

Sensitivity Analysis of Sign Luminance as Function of Input Factors

H. Gene Hawkins

Transportation Research Record: Journal of the Transportation Research Board

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Research article

First published 2002

Comparison of Observed Retroreflectivity Values with Proposed FHWA Minimums

Luke Nuber, Darcy Bullock

Transportation Research Record: Journal of the Transportation Research Board

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Research article

First published 2025-1

Sign Life Expectancy on Low-Volume Roads in Iowa

David Veneziano

Transportation Research Record: Journal of the Transportation Research Board

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Research article

First published 2003

Reductions in Traffic Sign Retroreflectivity Caused by Frost and Dew

Eric D. Hildebrand

Transportation Research Record: Journal of the Transportation Research Board

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Research article

First published 2002

Minimum Retroreflectivity for Overhead Guide Signs and Street Name Signs

Paul J. Carlson, H. Gene Hawkins

Transportation Research Record: Journal of the Transportation Research Board

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Research article

First published 2014-1

Photometric Evaluation of Steady-Burn Warning Lights in Work Zones

LuAnn Theiss, Jeffrey D. Miles, Gerald L. Ullman [...]

Transportation Research Record: Journal of the Transportation Research Board

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