In-depth Study of Accident Experience in Construction and Maintenance Zones PDF Download
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Author: Tae-Jun Ha
Publisher:
ISBN:
Category :
Languages : en
Pages : 596
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Author: Tae-Jun Ha
Publisher:
ISBN:
Category :
Languages : en
Pages : 596
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Author: Zoltan Anthony Nemeth
Publisher:
ISBN:
Category : Roads
Languages : en
Pages : 198
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Book Description
The objective of this study was to identify means by which improved traffic control can improve traffic safety at work zones. The accident data base was derived from the coded information stored in the computerized data bank of the Ohio Department of Highway Safety. Coding errors and unreported accidents were recognized as limitations of the data base. Statistical analysis of statewide aggregate data failed to identify cause and effect relationships between accident characteristics and traffic control. The study was expanded to include the review of individual accident reports at nine construction sites. This approach proved very effective. The accident reports which always included a sketch and a description of the event often indicated that specific traffic control procedures and standards needed to be improved. It has become clear to the researchers that certain types of accidents at a given work zone can suggest specific problems with traffic control plans and/or with the implementation of the plans. Monitoring work zone accidents as they happen is of course the best way to recognize and eliminate problems.
Author: Nicholas J. Garber
Publisher:
ISBN:
Category :
Languages : en
Pages : 79
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Author: Naqui M. Rouphail
Publisher:
ISBN:
Category : Express highways
Languages : en
Pages : 142
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Author: Nicholas J. Garber
Publisher:
ISBN:
Category : Pavements
Languages : en
Pages : 98
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Book Description
Safety at construction and maintenance zones is now considered as one of the major concerns of traffic and highway engineers, particularly in urban areas where the installation of work zones significantly affect the flow of traffic . This issue is getting more important as greater emphasis is placed on maintenance and rehabilitation work rather than on new construction, resulting in the proliferation of work zones in the nation's highways. Preliminary analysis of accident data at urban workzones in Virginia indicates that accident rates tend to be significantly higher when work zones coupled with the expected increase in traffic volume will result in significant increase in accident rates, unless effective measures are taken to increase safety at these work zones. The identification of effective safety counter measures at urban work zones, however, requires a clear understanding of work zone accident characteristics and knowledge of the effectiveness of different traffic control devices commonly used. A study was therefore conducted to identify the predominant accident characteristics in urban work zones in Virginia and to evaluate the effectiveness of different traffic control devices in reducing the increase in accident rates during periods of work zone activities. This paper presents the results of statistical analyses of accident data for different work zones and the predominant accident characteristics identified from these analyses. While significant increase in accident rates were observed, there was no significant difference observed in type and severity of accidents. For the covering abstract of this Conference see IRRD abstract number 853851.
Author: Ronald C. Pfefer
Publisher: Transportation Research Board
ISBN: 9780309066082
Category : Technology & Engineering
Languages : en
Pages : 184
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Author: Massimo Losa
Publisher: CRC Press
ISBN: 1315757125
Category : Technology & Engineering
Languages : en
Pages : 800
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Book Description
Worldwide there is a growing interest in efficient planning and the design, construction and maintenance of transportation facilities and infrastructure assets. The 3rd International Conference on Transportation Infrastructure ICTI 2014 (Pisa, April 22-25, 2014) contains contributions on sustainable development and preservation of transportation in
Author: Jerry G. Pigman
Publisher:
ISBN:
Category : Roads
Languages : en
Pages : 58
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Author: Nicholas J. Garber
Publisher:
ISBN:
Category : Road work zones
Languages : en
Pages : 44
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Book Description
Work zones tend to cause hazardous conditions for drivers and construction workers since they generate conflicts between construction activities and traffic. A clear understanding of the characteristics of work zone crashes will enhance the selection of the appropriate measures that can minimize the negative impacts of work zones. This study investigated the characteristics of work zone crashes that occurred in Virginia between 1996 and 1999. The information on each crash was obtained from the police crash record. The location of each crash was categorized as being in one of the five areas of a typical work zone: advance warning area, transition area, longitudinal buffer area, activity area, and termination area. An analysis of the percentage distributions was then carried out with respect to area in work zone, severity, type of collision, and type of highway. The proportionality test was used to determine significant differences at the 5 percent significance level. Selected crash characteristics, such as the proportions of single- and multi-vehicle crashes, were compared for work zone and non-work zone crashes. The results indicated that the activity area was the predominant location for work zone crashes regardless of highway type and that rear-end crashes were the predominant type of crash. The results also indicated that the proportion of sideswipe same direction crashes in the transition area was significantly higher than in the advance warning area and that work zone crashes involved a higher proportion of multi-vehicle crashes and fatal crashes than did non-work zone crashes.
Author:
Publisher:
ISBN:
Category : Air travel
Languages : en
Pages : 548
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