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 20 of 47 for “"highway safety"”.
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A relevant methodology for aiding highway safety decision makers in resolving highway safety problems
Thesis (M.S.)--Michigan State University. School of Criminal Justice, 1971
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Evolution of the Michigan Highway Safety Program -- a study in policy formulation
Thesis (M.S.)--Michigan State University. School of Criminal Justice, 1971
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Calibration of the Highway Safety Manual and development of new safety performance functions for rural multilane highways in Kansas
… for about 66% of all fatal crashes. The Highway Safety Manual (HSM) provides models and methodologies for analyzing the safety of various types of highways. Predictive methods in the HSM were developed based on national trends and data from few states throughout the United States. …
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Evaluation of the Applicability of the Interactive Highway Safety Design Model to Safety Audit of Two-Lane Rural Highways
The Interactive Highway Safety Design Model (IHSDM) is a suite of software developed by the Federal Highway Administration (FHWA) for monitoring and analyzing two-lane rural highways in the United States. As IHSDM is a fairly "young" program a limited amount of research has been conducted to …
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Application of regression techniques to highway systems safety
The highway system was classified into its main elements and the variables affecting each element were identified and shown how they fit into a matrix description of highway accidents. A statistical methodology was provided and applied that can effectively be used in analyzing the system of …
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Network Roadway Surface Friction and Its Usage to Improve Safety and Project Performance along West Virginia Highways
… friction along the West Virginia Division of Highways' roadway network is key to the safety of all traveling motorists. Being geographically located in the rugged Appalachian Mountains, the West Virginia Division of Highways' roadway network is flooded with innumerable geometric and design …
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Front underride protection devices: methods for design and testing
Improvements to highway safety are in continual demand. One of the most severe instances of vehicle collision occurs as a result of vehicle weight and sizing mismatch. The fitment of Front Underride Protection Devices (FUPDs) upon tractor-trailers is studied as a method to improve crash …
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A closed-loop driver/vehicle directional dynamics predictor
The highway safety related to vehicle operation on the road is a complex function of dynamic interactions between the vehicle, the driver and the environment. The safety dynamics of a heavy vehicle thus relates to not only its directional stability and control limits, but also the control …
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An Evaluation of School Zone Traffic Control Strategies
… or personal vehicle which has impacted both the safety and efficiency of school zone traffic control strategies. In order to improve school zone operations in West Virginia, current warrants and laws relevant to school zones within West Virginia and other states are researched. Concerns are …
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Effects of Inlet Design on Hydraulic Efficiency and Sediment Cleanout of Bridge Deck Drains
… can result in hydroplaning, which can diminish highway safety. To evaluate the controls on drainage inlet efficiency and compare currently deployed inlet design performances, 576 controlled laboratory experiments were conducted testing grate type (rectangular bar vs curved vane) and downspout …
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Harmful events in guardrail crashes
… limitations, reported guardrail accidents from Highway Safety Information System (HSIS) databases were examined. Data analysis was done using two-way and three-way contingency crosstabulations. Statistical significance of the study results was checked using Chi-square tests.;Analysis of …
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A STUDY OF SAFETY IMPACTS OF DIFFERENT TYPES OF DRIVEWAYS AND THEIR PROXIMITY
The newly published Highway Safety Manual (HSM) has defined six different driveway types based on land use and parking lot size, including major commercial, minor commercial, major industrial/institutional, minor industrial/institutional, major residential, and minor residential. Major driveways …
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DEVELOPMENT OF SIMILARITY SCORING TECHNIQUES FOR MOTOR VEHICLE CRASH COMPARISONS
… prevent these injuries and deaths, the National Highway Traffic Safety Administration (NHTSA) and the Insurance Institute for Highway Safety (IIHS) conduct crash tests, which are designed to ensure a minimum level of safety for all vehicles. To gain information on real-world injury patterns and …
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Effectiveness of an Emergency Vehicle Operations Course Component, Visual and Perceptual Skills: Analyzing Student Response to Searching, Identifying, Predicting, Deciding, and Executing Skills
… education declines according to the National Highway Safety Administration (NHSA) 2013 Traffic Safety Facts, there were 2,345,719 people injured or killed as a result of vehicle crashes. NHTSA reported that there were a total of 118 people killed in 2013 from accidents involving emergency …
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Estimating Pedestrian Crashes at Urban Signalized Intersections
… using a set of explanatory variables. The highway safety community has used modeling techniques to predict vehicle-to-vehicle crashes for decades. Specifically, generalized linear models (GLMs) are commonly used because they can model non-linear count data such as motor vehicle crashes. …
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Design and testing of a roadside traffic threat alerting mechanism
… operation environment such as a dimly lit highway shoulder. Based on fieldwork and background research, four such prototypes were engineered and evaluated for user response speed and subjective preference. Two of these alarm prototypes were auditory sirens and two were haptic vibrations, …
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A System-wide Planning Tool to Evaluate Access from Crash Sites to Medical Facilities in Virginia
… is a vital component of emergency management and highway emergency response planning. Evaluation of coverage of medical facilities is required to determine adequate access from crash sites to medical facilities. This study proposes a proof of concept for a planning tool that evaluates fatal and …
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System-wide Safety Analysis of a Complex Transportation Facility: Urban Freeway Off-ramps
Highway safety has been a priority for many years now. A system-wide crash analysis is a practical solution when only a limited budget is available for improving safety of highways. A systematic approach, in contrast to a hotspot analysis, allows for a widespread installation of lower-cost …
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Algorithms refinement and threshold determination for a drowsy driver detection system
Research conducted over the past three years in the Vehicle Analysis and Simulation Laboratory at Virginia Tech has resulted in the development and validation of algorithms for the detection of driver drowsiness. Specifically, the goal of the research has been to develop the best possible …
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Vehicle merging control for an automated highway system
… merging vehicle based on the merging quality and safety consideration. The desired states of the merging vehicle are generated through the outer loop by specified control guidance law. The tracking errors compared with desired states are eliminated by the proper design of controllers in the inner …
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