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Helmut T. Zwahlen
Observed names:
H T Zwahlen,
H.T. Zwahlen,
Helmut T Zwahlen,
Zwahlen, H. T.
Observed institutions:
United States Army,
Ohio University,
The Ohio State University
OpenAlex ID:
A5072178151
Safety Aspects of CRT Touch Panel Controls in Automobiles
1988
·
Helmut T. Zwahlen
, Charles C. Adams
, et al.
·
163
Visibility of Road Markings as a Function of Age, Retroreflectivity Under Low-Beam and High-Beam Illumination at Night
1999
·
Helmut T. Zwahlen
, Thomas Schnell
·
Transportation Research Record Journal of the Transportation Research Board
·
58
Minimum In-Service Retroreflectivity of Pavement Markings
2000
·
Helmut T. Zwahlen
, Thomas Schnell
·
Transportation Research Record Journal of the Transportation Research Board
·
44
Safety Aspects of Sophisticated In-Vehicle Information Displays and Controls
1986
·
Helmut T. Zwahlen
, David P. DeBald
·
Proceedings of the Human Factors and Ergonomics Society Annual Meeting
·
40
Driver Preview Distances at Night Based on Driver Eye Scanning Recordings as a Function of Pavement Marking Retroreflectivities
1999
·
Thomas Schnell
, Helmut T. Zwahlen
·
Transportation Research Record Journal of the Transportation Research Board
·
38
Visibility of new pavement markings at night under low-beam illumination
1995
·
Helmut T. Zwahlen
, Thomas Schnell
·
Transportation Research Record Journal of the Transportation Research Board
·
33
Detection of highway warning signs in natural video images using color image processing and neural networks
2002
·
D.L. Kellmeyer
, H.T. Zwahlen
·
IEEE International Conference on Neural Networks/IEEE ... International Conference on Neural Networks
·
31
Safety aspects of cellular telephones in automobiles
1988
·
Helmut T. Zwahlen
, Carole Adams
, et al.
·
30
Visual Detection and Recognition of Fluorescent Color Targets Versus Nonfluorescent Color Targets as a Function of Peripheral Viewing Angle and Target Size
1997
·
Helmut T. Zwahlen
, Thomas Schnell
·
Transportation Research Record Journal of the Transportation Research Board
·
29
Eye Scanning Rules for Drivers - How Do They Compare With Actual Observed Eye Scanning Behavior?
1991
·
Helmut T. Zwahlen
·
Transportation Research Record Journal of the Transportation Research Board
·
28
Legibility of Traffic Sign Text and Symbols
1999
·
Helmut T. Zwahlen
, Thomas Schnell
·
Transportation Research Record Journal of the Transportation Research Board
·
26
Advisory Speed Signs and Curve Signs and Their Effect on Driver Eye Scanning and Driving Performance
1987
·
Helmut T. Zwahlen
·
Transportation Research Record Journal of the Transportation Research Board
·
26
Evaluation of Microwave Radar Trailers for Nonintrusive Traffic Measurements
2005
·
Helmut T. Zwahlen
, Andrew Russ
, et al.
·
Transportation Research Record Journal of the Transportation Research Board
·
25
Traffic Sign Reading Distances and Times During Night Driving
1995
·
Helmut T. Zwahlen
·
Transportation Research Record Journal of the Transportation Research Board
·
25
Conspicuity of Suprathreshold Reflective Targets in a Driver's Peripheral Visual Field at Night
1989
·
Helmut T. Zwahlen
·
Transportation Research Record Journal of the Transportation Research Board
·
25
Driver-Headlamp Dimensions, Driver Characteristics, and Vehicle and Environmental Factors in Retroreflective Target Visibility Calculations
1999
·
Helmut T. Zwahlen
, Thomas Schnell
·
Transportation Research Record Journal of the Transportation Research Board
·
24
Visibility of New Centerline and Edge Line Pavement Markings
1997
·
Helmut T. Zwahlen
, Thomas Schnell
·
Transportation Research Record Journal of the Transportation Research Board
·
22
Driver Eye-Scanning Behavior as Function of Pavement Marking Configuration
1997
·
Helmut T. Zwahlen
, Thomas Schnell
·
Transportation Research Record Journal of the Transportation Research Board
·
20
Approximated Headway Distributions of Free-Flowing Traffic on Ohio Freeways for Work Zone Traffic Simulations
2007
·
Helmut T. Zwahlen
, Erdinc Oner
, et al.
·
Transportation Research Record Journal of the Transportation Research Board
·
19
Effectiveness of Ground-Mounted Diagrammatic Advance Guide Signs for Freeway Entrance Ramps
2003
·
Helmut T. Zwahlen
, Andrew Russ
, et al.
·
Transportation Research Record Journal of the Transportation Research Board
·
19
Evaluation of the Accuracy of a Real-Time Travel Time Prediction System in a Freeway Construction Work Zone
2002
·
Helmut T. Zwahlen
, Andrew Russ
·
Transportation Research Record Journal of the Transportation Research Board
·
18
Viewing Ground-Mounted Diagrammatic Guide Signs Before Entrance Ramps at Night: Driver Eye Scanning Behavior
2003
·
Helmut T. Zwahlen
, Andrew Russ
, et al.
·
Transportation Research Record Journal of the Transportation Research Board
·
16
Stop Ahead and Stop Signs and Their Effect on Driver Eye Scanning and Driving Performance
1988
·
Helmut T. Zwahlen
·
Transportation Research Record Journal of the Transportation Research Board
·
15
Effects of Lateral Separation Between Double Center-stripe Pavement Markings on Visibility Under Nighttime Driving Conditions
1995
·
Helmut T. Zwahlen
, Thomas Schnell
, et al.
·
Transportation Research Record Journal of the Transportation Research Board
·
14
Computer-Based Modeling to Determine the Visibility and Minimum Retroreflectivity of Pavement Markings
2000
·
Thomas Schnell
, Helmut T. Zwahlen
·
Transportation Research Record Journal of the Transportation Research Board
·
13
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Works count:
159
Citation count:
1,101
H-index:
19
I10-index:
34
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