Concepedia
Statistics
Publications
18
Citations
616
H-Index
13
Active since
1975
Affiliations
Texas A&M University(Current)
Texas Department of Transportation
United States Department of Transportation
Utah Department of Transportation
Iowa State University
R J Koppa is an author at Texas A&M University specializing in engineering, transportation engineering, and rehabilitation.
Top concepts
EngineeringTransportation EngineeringKinesiologyRehabilitationSystems EngineeringMedicineSafety ScienceDesignHealthTraffic Safety
Publications per year
1975–2000
DETERMINATION OF STOPPING SIGHT DISTANCES
D B Fambro, Kay Fitzpatrick, R J Koppa · National Cooperative Highway Research Program report · 1997 · 125 citations
Engineering, Measurement, Field Robotics +21
ALTERNATIVE DESIGN CONSISTENCY RATING METHODS FOR TWO-LANE RURAL HIGHWAYS
Kay Fitzpatrick, M D Wooldridge, Omer Tsimhoni et al. · 2000 · 85 citations
Reliability, Geometric Modeling, Speed Distribution Measures +13
Driver Perception–Brake Response in Stopping Sight Distance Situations
D B Fambro, R J Koppa, D L Picha et al. · Transportation Research Record Journal of the Transportation Research Board · 1998 · 75 citations
Engineering, Safety Science, Advanced Driver-assistance System +16
Effects of Horizontal Curvature on Driver Visual Demand
M D Wooldridge, Kay Fitzpatrick, R J Koppa et al. · Transportation Research Record Journal of the Transportation Research Board · 2000 · 48 citations
Cognitive Science, Visual Demand, Ophthalmology +11
Driver Braking Performance in Stopping Sight Distance Situations
D B Fambro, R J Koppa, D L Picha et al. · Transportation Research Record Journal of the Transportation Research Board · 2000 · 44 citations
Driver Braking Performance, Traffic Safety, Engineering +13
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