Field and laboratory studies of warning symbol sign legibility distance
Visual Screening of Participants A Snellen chart viewed from 6.1 meters (20 feet) was used to measure corrected Snellen static ... Visual Vistech VCTS Vehicle and Test Area A 1989 Honda Accord was instrumented with a fifth wheel measuring device. ... Instrumentation wiring from the fifth wheel was fed through the trunk to a digital readout box, mounted to a platform fitting between the two front seats.
| Title | : | Field and laboratory studies of warning symbol sign legibility distance |
| Author | : | Frances A. Greene, A. Garcia-Diaz, J. J. Congleton, Texas Transportation Institute, Rodger J. Koppa, R. D. Huchingson, Southwest Region University Transportation Center (U.S.), R. D. Zellner, University Transportation Centers Program (U.S.) |
| Publisher | : | - 1995 |
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