Light Use Study For Vertical Channelization Devices

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Light Use Study For Vertical Channelization Devices

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Author : David P. Sabers
language : en
Publisher:
Release Date : 2003

Light Use Study For Vertical Channelization Devices written by David P. Sabers and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2003 with Roads categories.

Although the Manual of Uniform Traffic Control Devices (MUTCD) does not require the use of warning lights on channelization devices, the Arizona Department of Transportation (ADOT) has historically required their use on all traffic control devices used at nighttime construction zones. This report documents research done for ADOT on the use of steady-burn warning lights on vertical panels in roadway construction zones. Specific tasks included a review of the requirements and policies of the departments of transportation of other states regarding the use of flashing warning lights on traffic control devices, a review of ADOT's construction zone requirements, a search for relevant research, reviews of construction zone accident reports and incident logs, and interviews with ADOT field construction staff regarding the past performance of the Ultra Panels (Type III sheeting) with and without steady-burn warning lights.

Human Factors Opportunities To Improve Ohio S Transportation System

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Author :
language : en
Publisher:
Release Date : 2005

Human Factors Opportunities To Improve Ohio S Transportation System written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2005 with Transportation categories.

Assessment Of Channelizing Device Effectiveness On High Speed High Volume Roadways

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Author : Reginald R. Souleyrette
language : en
Publisher:
Release Date : 2007

Assessment Of Channelizing Device Effectiveness On High Speed High Volume Roadways written by Reginald R. Souleyrette and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2007 with Road work zones categories.

Part 6 of the Manual on Uniform Traffic Control Devices (MUTCD) describes several types of channelizing devices that can be used to warn road users and guide them through work zones; these devices include cones, tubular markers, vertical panels, drums, barricades, and temporary raised islands. On higher speed/volume roadways, drums and /or vertical panels have been popular choices in many states, due to their formidable appearance and the enhanced visibility they provide when compared to standard cones. However, due to their larger size, drums also require more effort and storage space to transport, deploy and retrieve. Recent editions of the MUTCD have introduced new devices for channelizing; specifically of interest for this study is a taller (greater than 36 inches) but thinner cone. While this new device does not offer a comparable target value to that of drums, the new devices are significantly larger than standard cones and they offer improved stability as well. In addition, these devices are more easily deployed and stored than drums and they cost less. Further, for applications previously using both drums and tall cones, the use of tall cones only provides the ability for delivery and setup by a single vehicle. An investigation of the effectiveness of the new channelizing devices provides a reference for states to use in selecting appropriate traffic control for high speed, high volume applications, especially for short term or limited duration exposures. This study includes a synthesis of common practices by state DOT's, as well as daytime and nighttime field observations of driver reactions using video detection equipment. The results of this study are promising for the day and night performance of the new tall cones, comparing favorably to the performance of drums when used for channelizing in tapers. The evaluation showed no statistical difference in merge distance and location, shy distance, or operating speed in either daytime or nighttime conditions. The study should provide a valuable resource for state DOTs to utilize in selecting the most effective channelizing device for use on high speed/high volume roadways where timely merging by drivers is critical to safely and mobility.

Report

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Author :
language : en
Publisher:
Release Date : 2006

Report written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2006 with Highway research categories.

Highway Design Handbook For Older Drivers And Pedestrians

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Author : L. K. Staplin
language : en
Publisher:
Release Date : 2001

Highway Design Handbook For Older Drivers And Pedestrians written by L. K. Staplin and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2001 with Older automobile drivers categories.

Federally Coordinated Program Of Highway Research Development And Technology

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Author :
language : en
Publisher:
Release Date : 1984

Federally Coordinated Program Of Highway Research Development And Technology written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1984 with categories.

Selection Of Work Zone Channelizing Devices Using The Value Engineering Approach

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Author : Stephen H. Richards
language : en
Publisher:
Release Date : 1984

Selection Of Work Zone Channelizing Devices Using The Value Engineering Approach written by Stephen H. Richards and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1984 with Roads categories.

This report investigates the use of value engineering for selecting work zone channelizing devices. Presented first is a State-ot-the-Art review of available channelizing devices and their relative performance. Next, an overview of the Value Engineering problem-solving approach is presented. The paper then demonstrates how the Value Engineering approach can be applied to select work zone channelizing devices. For illustration, the approach is used to select devices for a lane closure taper at a rural freeway work zone. Based on the results of the investigation, Value Engineering appears to be a useful and practical work zone traffic management tool. It provides an objective means of evaluating any number of alternative channelizing devices using whatever performance and cost data are available. Most important, it encourages the selection of low cost devices which are safe and effective under the prevailling work zone conditions. The investigation further suggests that the Value Engineering approach is most appropriate for use at the Division level. It is an effective analytical tool which can be used in developing standards and for resource planning and allocation.

Work Zone Traffic Control Delineation For Channelization

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Author : Kenneth S. Opiela
language : en
Publisher:
Release Date : 1990

Work Zone Traffic Control Delineation For Channelization written by Kenneth S. Opiela and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1990 with Automobile drivers categories.

This report describes a study of the delineation requirements for work zone traffic control. The research included a comprehensive review of past studies and current practices, and an examination of current standards. It was concluded that, in spite of the increasing number of different types of channelizing devices, there appears to be no scientific basis for the spacing criteria for the use of devices for channelization purposes in the taper or tangent sections of a work zone. A laboratory-based testing procedure was used to determine the most appropriate spacing configuration. An interactive video system was used to test subject recognition distances of eight different device types spaced at the standard distance, 1.5 times and 2.0 times the standard distance. Over 240 subjects were tested.

Experimental Diamond Vertical Panels

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Author : Charles W. Smith
language : en
Publisher:
Release Date : 1984

Experimental Diamond Vertical Panels written by Charles W. Smith and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1984 with Roads categories.

Crashworthy Work Zone Traffic Control Devices

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Author : Roger P. Bligh
language : en
Publisher: Transportation Research Board
Release Date : 2006

Crashworthy Work Zone Traffic Control Devices written by Roger P. Bligh and has been published by Transportation Research Board this book supported file pdf, txt, epub, kindle and other format this book has been release on 2006 with Business & Economics categories.