Skip to main content
main-content

Tipp

Weitere Artikel dieser Ausgabe durch Wischen aufrufen

01.06.2011 | Original Paper | Ausgabe 1/2011 Open Access

European Transport Research Review 1/2011

Which sign is more visible? Measuring the visibility of traffic signs through the conspicuity index method

Zeitschrift:
European Transport Research Review > Ausgabe 1/2011
Autoren:
Thomas Porathe, Lennart Strand

Abstract

Purpose

A new method of measuring visibility taking context into account introduced by Alexander Wertheim has been validated in this study. The purpose was to see if a simple and practical technique could render robust and useful quantitatively measurable results.

Methods

An ordinary traffic sign, placed against different backgrounds, was used as a target. Subjects were told to fixate the sign and then slowly deviate with their gaze until they could no longer see the sign in the corner of their eye. This angle was then used as an index for conspicuity. A simple paper and pen method was tested as well as a computer based method.

Results

Results for the paper and pen method showed low variance among subjects and a clear correlation between the conspicuity index and intuitive judgments of the visibility of the signs against different backgrounds. For the computer based method the variability was higher but the results still significant between the two groups of dynamic versus static signs.

Conclusions

The conclusion is that the conspicuity index method is a simple and useful method that renders quantitative measurements of the visibility of targets taken context into account.
Literatur
Über diesen Artikel

Weitere Artikel der Ausgabe 1/2011

European Transport Research Review 1/2011Zur Ausgabe

BranchenIndex Online

Die B2B-Firmensuche für Industrie und Wirtschaft: Kostenfrei in Firmenprofilen nach Lieferanten, Herstellern, Dienstleistern und Händlern recherchieren.