Retroreflective Sheeting Materials on Highway Signs

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Mn-DOT1996-07.pdf (2.62 MB)

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https://hdl.handle.net/11299/155341

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Title

Retroreflective Sheeting Materials on Highway Signs

Authors

Tranchida, Donna

Arthur, Erik

Stackhouse, Stirling P.

Published Date

1996-02

Publisher

Minnesota Department of Transportation

Type

Report

Abstract

In a road research project, older drivers were asked to read street names as soon as they were able as they were approaching an intersection. The signs were always on the far sides of the intersection but could be either on the right or left side. Intersections of three levels of complexity were used. A repeated measures design was used. All main effects and all but one of the interactions were significant. The legibility distances obtained from 864 trials using 18 subjects showed that Diamond Grade and VIP Diamond Grade sheeting were equivalent but that both were significantly superior to High Intensity Grade sheeting which was in turn significantly superior to Engineering Grade. The differences among sheeting grades were more apparent at the more complex intersections. The viewing conditions on some of the streets resulted in reduced visibility and conspicuity causing markedly reduced legibility distances. There were no performance differences based on gender. The implications for driving safety were discussed in the context of visual information processing workload, divided attention and multitasking.

Keywords

Street name signs

Sign sheeting saterials

Sign legibility distances

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Research Reports

Series/Report Number

MnDOT
96-07

Funding information

Minnesota Department of Transportation

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Tranchida, Donna; Arthur, Erik; Stackhouse, Stirling P.. (1996). Retroreflective Sheeting Materials on Highway Signs. Retrieved from the University Digital Conservancy, https://hdl.handle.net/11299/155341.

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