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Evaluation of Comprehension and Legibility of International and Domestic Nonstandard Symbol Signs: Traffic Control Devices, Visibility, and Highway-Rail Grade Crossings 2012
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Published in: | Transportation research record 2012 (2298), p.46-60 |
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Main Authors: | , , |
Format: | Article |
Language: | English |
Subjects: | |
Online Access: | Get full text |
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ISSN: | 0361-1981 |