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    Driver Eye Scanning Behaviour When Reading Symbolic Warning Signs

    Zwahlen, H. T. / Schnell, T. | British Library Conference Proceedings | 1998

    Evaluation of the Accuracy of a Real-Time Travel Time Prediction System in a Freeway Construction Work Zone

    Zwahlen, H. T. / Russ, A. / Transportation Research Board | British Library Conference Proceedings | 2002

    Minimum In-Service Retroreflectivity of Pavement Markings

    Zwahlen, H. T. / Schnell, T. / National Research Council | British Library Conference Proceedings | 2000

    Nighttime Expert Panel and Photometric Evaluations of Unlighted Overhead Guide Signs

    Zwahlen, H. T. / Russ, A. / Vatan, S. et al. | British Library Conference Proceedings | 2003

    Nighttime photometric measurements of different crossbuck reflectorization designs under automobile illumination at night

    Zwahlen, H. T. / Schnell, T. / Canadian Society for Civil Engineering | British Library Conference Proceedings | 1998

    Violations and driver risk taking behavior at passive railroad grade crossings as a function of different crossbuck designs

    Zwahlen, H. T. / Schnell, T. / Canadian Society for Civil Engineering | British Library Conference Proceedings | 1998

    Visibility of New Centerline and Edge Line Pavement Markings

    Zwahlen, H. T. / Schnell, T. / National Research Council; Transportation Research Board | British Library Conference Proceedings | 1997

    Visual Detection and Recognition of Fluorescent Color Targets Versus Nonfluorescent Color Targets as a Function of Peripheral Viewing Angle and Target Size

    Zwahlen, H. T. / Schnell, T. / National Research Council; Transportation Research Board | British Library Conference Proceedings | 1997

    Driver Eye-Scanning Behavior as Function of Pavement Marking Configuration

    Zwahlen, H. T. / Schnell, T. / National Research Council; Transportation Research Board | British Library Conference Proceedings | 1997

    Field Evaluation of Crossbuck Designs for Passive Railroad Crossings Using Violations and Near Collisions Recorded with a Train Borne Video Recording System

    Zwahlen, H. T. / Schnell, T. / University of Tennessee et al. | British Library Conference Proceedings | 1997

    Human Factors Considerations of Aircraft Displays

    Wentz, C. P. / Schnell, T. / Zwahlen, H. T. et al. | British Library Conference Proceedings | 1998