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Articles 1 - 11 of 11
Full-Text Articles in Engineering
Better Engaging Communities: Moving Beyond Cardinal Rules, Anna G. Hoover
Better Engaging Communities: Moving Beyond Cardinal Rules, Anna G. Hoover
Anna G. Hoover
“Cardinal rules” and best practice approaches have guided governmental risk communication efforts at chronic risk sites for more than two decades, playing an important role in how those most affected by contamination make sense of risk. In addition to providing information, however, communication approaches themselves can affect community perceptions indirectly, through stakeholder interpretations of the processes by which risk information is shared. It is increasingly necessary to evaluate not only whether risk communication approaches have been effective for increasing knowledge but if, in fact, the ways in which information is shared has had unintended consequences that change how stakeholders perceive …
Saving Time Under Pressure: Effectiveness Of Standardizing Pediatric Resuscitation Carts, Erich C. Maul Do, Mph, Philip Westgate Phd, Barbara Latham Msn
Saving Time Under Pressure: Effectiveness Of Standardizing Pediatric Resuscitation Carts, Erich C. Maul Do, Mph, Philip Westgate Phd, Barbara Latham Msn
Erich C. Maul DO MPH
Platform presentation of original research
Calibration Of A Method For Selecting Roundabouts As A Function Of The Inner Island Treatment, J. Falciani, Antonio Pratelli, Michael T. Martello, Reginald R. Souleyrette
Calibration Of A Method For Selecting Roundabouts As A Function Of The Inner Island Treatment, J. Falciani, Antonio Pratelli, Michael T. Martello, Reginald R. Souleyrette
Reginald R. Souleyrette
It is generally accepted that a driver’s ability to perceive, recognize, and react to surroundings contributes to safer roads. The objective of this paper is to investigate the perceptibility of roundabouts as influenced by their most distinctive feature – the central island treatment. Previous work has shown how visual perception of central island treatment can improve road safety performance. Recently, the authors have suggested a roundabout central island treatment classification scheme with three categories: Reduced, Compressed and Slender. Classifying roundabout central island treatment types was necessarily somewhat subjective. This paper introduces a more quantitative measure for central island visual perception, …
Two Roundabouts Are Better Than One (Comparison Of Roundabout Designs For A Complex Rural Interchange In Tuscany, Italy), Antonio Pratelli, Reginald R. Souleyrette, Michael T. Martello
Two Roundabouts Are Better Than One (Comparison Of Roundabout Designs For A Complex Rural Interchange In Tuscany, Italy), Antonio Pratelli, Reginald R. Souleyrette, Michael T. Martello
Reginald R. Souleyrette
This paper summarizes the calculations and considerations for a comparative assessment between three alternative proposals for redesign of the interchange between the Pisa North toll plaza of Motorways A11 and A12 and the Via Aurelia (highway SS1) located in the Migliarino region of Tuscany, Italy. The complex interchange also includes access to a local minor road, (Via Traversagnola) and is topographically constrained by the proximity of an important drainage channel which runs alongside the Via Traversagnola. Three designs are evaluated: first, a large elliptical layout, second, a very large circular layout, and third, a layout with twin large roundabouts and …
Roundabout Perception: Review Of Standards And Guidelines For Advanced Warning, Antonio Pratelli, Reginald R. Souleyrette, C. Harding
Roundabout Perception: Review Of Standards And Guidelines For Advanced Warning, Antonio Pratelli, Reginald R. Souleyrette, C. Harding
Reginald R. Souleyrette
This paper deals with roundabout visibility and perception design requirements, including available standards and guidelines in the US and Europe for warning signs. To provide for the highest levels of safety, visual perception of junctions is important even where advance warning signs are provided, to reinforce driver knowledge and confidence in their actions. For roundabouts, three different types of central island development are recently suggested to affect their visual perception, and the related classification defines the reduced, the compressed and the streamlined, or slender, central island development. The paper proposes new methodologies to test this perceptibility of various roundabout designs …
Visibility, Perception And Roundabout Safety, Antonio Pratelli, Reginald R. Souleyrette
Visibility, Perception And Roundabout Safety, Antonio Pratelli, Reginald R. Souleyrette
Reginald R. Souleyrette
In Italy, over the past fifteen years, modern, or second generation roundabouts have become very popular. On these roundabouts, entering vehicles must yield to vehicles already within the circle. This modern design provides for much higher capacity of operation. Although first implemented in the UK in the 1960s, it took twenty years for the second generation to begin to spread to other European countries. Between 1987 and 2002, in particular, Germany, France and Switzerland conducted research that led to standards techniques that, along with English ones, now comprise the major technical references. The causes of the delay in implementation are …
Validation And Implication Of Segmentation On Empirical Bayes For Highway Safety Studies, Reginald R. Souleyrette, R. P. Haas, Thomas H. Maze
Validation And Implication Of Segmentation On Empirical Bayes For Highway Safety Studies, Reginald R. Souleyrette, R. P. Haas, Thomas H. Maze
Reginald R. Souleyrette
Typically, crash frequency is modelled as Poison where the variation is the square root of the expected number. If the expected number of crashes is small, the variation is a large percentage of the expected number of crashes, and the observed number of crashes provides a crude estimate for the expected number. A better estimate is obtained when the expected number is large. For a specific location, there are two approaches for performing measurements where the expected number of crashes is large. One approach is to measure over a long period of time. However, data are not often available for …
Safety Impacts Of “Road Diets” In Iowa, Thomas B. Stout, Michael D. Pawlovich, Reginald R. Souleyrette, Alicia Carriquiry
Safety Impacts Of “Road Diets” In Iowa, Thomas B. Stout, Michael D. Pawlovich, Reginald R. Souleyrette, Alicia Carriquiry
Reginald R. Souleyrette
Road diets are frequently suggested solutions to problems of left-turn related crashes. This feature analyzes the impact of the conversion of 15 sites using a Full Bayes Approach as well as a classical before-and-after study (with yoked comparison sites). The study found a reduction in the crash rate, crash density, injury crashes, the involvement rate for drivers older than 65 and left-turn related crashes.
Use Of Geospatial Information And Remote Sensing Data To Support Improved Roadway Access Management, Reginald R. Souleyrette, P. E. Plazak, D. J. Plazak
Use Of Geospatial Information And Remote Sensing Data To Support Improved Roadway Access Management, Reginald R. Souleyrette, P. E. Plazak, D. J. Plazak
Reginald R. Souleyrette
Urban and suburban roadways serve two distinct and sometimes conflicting purposes: providing mobility and allowing access to land and land developments. High-level urban roadways (e.g. arterials) should primarily serve mobility needs of travellers and goods. Low level, local roadways should primarily allow for land development access. Arterials that allow too much direct land access fail to function properly in terms of both traffic operations and safety. Such roadways are in need of access management. The operational and safety benefits of access management are impressive; access management has been shown to reduce crash rates on urban and suburban arterials by up …
Pathologyxgrid Implementation For The Interproscan Bioinformatics Software, Cody K. Bumgardner
Pathologyxgrid Implementation For The Interproscan Bioinformatics Software, Cody K. Bumgardner
Cody Bumgardner
SoftwareInterProScan is an essential step in the Epichloëfestucae genome project’s pipeline. Complete determination of the genome sequence for Epichloëfestucae, requires substantial programmatic and computing efforts. Due to the running time requirements the computational volume of some of its subtasks exceed the power of a traditional single processor computation and high performance approaches, such as grid computing, are needed.
The Personal Digital Assistant (Pda) As A Tool For Telementoring Endoscopic Procedures., Cody K. Bumgardner
The Personal Digital Assistant (Pda) As A Tool For Telementoring Endoscopic Procedures., Cody K. Bumgardner
Cody Bumgardner
Abstract: The telementoring of surgical procedures is currently achieved via a wired infrastructure that usually requires sophisticated videoconference systems. This project represents the first step in assessing the potential for using handheld computers as a mobile alternative to current telementoring systems. Specifically, this project compares a handheld computer to a standard CRT monitor regarding their capability to accurately display video images from an endoscopic procedure. Video images from two previously recorded endoscopic procedures were transmitted from a standard VCR to: 1) a handheld computer (iPAQ 3670 running Pocket PC) via a wireless LAN and 2) a standard CRT monitor via …