Concepedia

G L Ullman

GL

38

Publications

683

Citations

17

H-Index

1987

Active since

Affiliations

Texas Department of Transportation(Current)

Texas A&M University System

Texas A&M University

United States Department of Transportation

G L Ullman is an author at Texas Department of Transportation specializing in engineering, transportation engineering, and systems engineering.

Top concepts

EngineeringTransportation EngineeringSystems EngineeringSafety ScienceTraffic EngineeringCivil EngineeringUrban PlanningSocial SciencesCommunicationInjury Prevention

Publications per year

1987–2018

38

Publications

38

AN ANALYSIS OF FATAL WORK ZONE CRASHES IN TEXAS

Steven D. Schrock, G L Ullman, A S Cothron et al. · 2004 · 45 citations

Traffic Safety, Engineering, Accident Investigation +12

Flashing Messages, Flashing Lines, and Alternating One Line on Changeable Message Signs

C L Dudek, G L Ullman · Transportation Research Record Journal of the Transportation Research Board · 2002 · 39 citations

Engineering, Cognition, Flashing Lines +16

Evaluation of Dynamic Speed Display Signs

G L Ullman, Elisabeth Rose · Transportation Research Record Journal of the Transportation Research Board · 2005 · 33 citations

Engineering, Display Technology, School Speed Zone +13

Managed Lanes Handbook

Beverly Kuhn, Ginger Goodin, Andrew J Ballard et al. · 2005 · 31 citations

Texas Cities, Intelligent Traffic Management, Traffic Safety +15

Evaluation of Dynamic Speed Display Signs

G L Ullman, Elisabeth Rose · Transportation Research Record Journal of the Transportation Research Board · 2005 · 28 citations

Engineering, Display Technology, School Speed Zone +13

Rows per page

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