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Comparison of driver dynamics with actual and simulated visual displays
Driver reaction to improved warning devices at a rural grade crossing
Effect of illumination on rural at-grade intersection accidents
Effectiveness of automatic warning devices in reducing accidents at grade crossings
Evaluation of high-intensity sheeting for overhead highway signs
Indirect factors affecting reflective signs brightness
Investigation of accident data for railroad-highway grade crossings
Luminance and contrast for sign legibility and color recognition
Overhead signs without external illumination