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Nighttime Guide Sign Legibility for Microprismatic Clearview Legend on High Intensity Backround. Research rept. Sep 02-Aug 03.
| 题名： | Nighttime Guide Sign Legibility for Microprismatic Clearview Legend on High Intensity Backround. Research rept. Sep 02-Aug 03. |
| 作者： | Holick-A.J.; Carlson-P.J. |
| 关键词： | *Traffic-signs; *Sign-legibility; *Night-driving.;Retroreflection-; Retroreflective-sheeting; Visual-perception; Freeways-; Alphabets-; Sign-colors; Font-design; Recognition-distances; Texas-; Reflectorization-. |
| 摘要： | This project was conducted to provide results that the Texas Department of Transportation could use to help make decisions about their guide sign policies. The specific issues that were addressed include the type of font and retro reflective sheeting that should be specified on guide signs ranging from large shoulder-mounted freeway guide signs, to medium-sized guide signs such as destination and distance signs, and even including small guide signs such as county road name signs. The researchers performed a nighttime legibility study using a total of 30 subjects divided into three age groups. A new highway font called Clear view was compared against the standard highway font currently in use. The full-scale tests were constructed with various combinations of retro reflective sheeting, including TxDOT's current practice. |
| 报告类型： | 科技报告 |
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