Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 7 of 7 for “"Roadside safety"”.
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Roadside safety improvements
Digitized by Kansas Correctional Industries
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Caracterización de las condiciones de seguridad de las márgenes de carretera
… lack of procedures to characterize the level of roadside safety in a quantitative way. The main objective of the thesis has been the development of a methodology to identify and quantify those factors associated with the frequency and severity of run-off-road crashes. To achieve this objective …
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Applications of Event Data Recorder Derived Crash Severity Metrics to Injury Prevention
… of travel, departing the roadway, and striking a roadside object, such as a tree or pole, or roadside condition, such as a slope or body of water. One strategy currently implemented to mitigate these types of crashes is the use of roadside barriers. Roadside barriers, such as metal guardrails, …
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Evaluation of the flail space model utilizing event data recorder technology
… risk in full-scale crash tests involving roadside safety features. The widespread availability of airbags and increased seat belt usage rates in today's vehicle fleet, however, raise serious questions regarding the validity of the model. Recent implementation of Event Data Recorder (EDR) …
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Guardrail Height Safety Requirements Given Recent Crash History and Evolution of Vehicle Design
<p>Roadside barriers such as guardrails are fundamental to roadway safety, providing a critical last line of defense in preventing vehicles from leaving the roadway and impacting potential hazards. As vehicles are ever changing, it is necessary for guardrail design to adapt in response. Many …
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Driver Response to Dynamic Message Sign Safety Campaign Messages
… this problem, Departments of Transportation use roadside safety campaigns. To gain a comprehensive understanding of the effectiveness of these campaigns, this research study captured five different metrics of effectiveness to understand what messages are effective and how to target messages to …
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Investigation of W-Beam Energy-Absorbing Guardrail End Terminal Safety Performance Using Finite Element Modeling
… which has attracted attention in the highway safety community on the vehicle-based injury criteria used in guardrail regulations. The objectives of this study were 1) to develop and validate a Finite Element (FE) model of the ET-Plus, a commonly used energy-absorbing guardrail end terminal; 2) …