Analysis of Accidents in Construction and Maintenance Work Zones PDF Download
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Author: Jerry G. Pigman
Publisher:
ISBN:
Category : Roads
Languages : en
Pages : 58
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Book Description
Author: Jerry G. Pigman
Publisher:
ISBN:
Category : Roads
Languages : en
Pages : 58
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Book Description
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: California. Department of Transportation
Publisher:
ISBN:
Category : Road construction workers
Languages : en
Pages : 178
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Book Description
Author: Jack Bishop Humphreys
Publisher:
ISBN:
Category : Roads
Languages : en
Pages : 152
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Book Description
The report presents a prioritized listing of twenty problem statements relating to traffic safety in construction, maintenance and utility work zones. These problem statements were developed from (1) data collected during 103 site visits, (2) an analysis of 30 construction zones before and during accident case studies, (3) a literature review, and (4) personal experiences of an interdisciplinary, six-person professional staff. Results indicate that approximately two-thirds of the work zone safety problems could be ameliorated if current standards and/or knowledge were properly applied. Results also include data relative to traffic control device use, traffic operation, and accident location in work zones.
Author: Jerry L. Graham
Publisher:
ISBN:
Category : Roads
Languages : en
Pages : 104
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Book Description
The study involves the development of an accident data reporting process for use in construction, maintenance, or utility work areas. The process is based on the results of a 9 state survey which collected information on practices and procedures which were in use in those states.
Author: Naqui M. Rouphail
Publisher:
ISBN:
Category : Express highways
Languages : en
Pages : 150
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Book Description
Author: United States. National Transportation Safety Board
Publisher:
ISBN:
Category : Roads
Languages : en
Pages : 88
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Book Description
Author: Jack Bishop Humphreys
Publisher:
ISBN:
Category : Roads
Languages : en
Pages : 152
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Book Description
The report presents a prioritized listing of twenty problem statements relating to traffic safety in construction, maintenance and utility work zones. These problem statements were developed from (1) data collected during 103 site visits, (2) an analysis of 30 construction zones before and during accident case studies, (3) a literature review, and (4) personal experiences of an interdisciplinary, six-person professional staff. Results indicate that approximately two-thirds of the work zone safety problems could be ameliorated if current standards and/or knowledge were properly applied. Results also include data relative to traffic control device use, traffic operation, and accident location in work zones.
Author: James E. Bryden
Publisher: Transportation Research Board
ISBN: 0309067545
Category : Night work
Languages : en
Pages : 58
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Book Description
Author: Tarek M. Elghamrawy
Publisher:
ISBN:
Category :
Languages : en
Pages :
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Book Description
Recent studies indicate that work zones suffer from an increasing trend of deaths and injuries in and around the highway construction areas with an average of 745 fatalities and 40,700 severe injuries per year. To control and minimize work zone fatalities and injuries, the Federal Highway Administration (FHWA), American Association of State Highway and Transportation Officials (AASHTO), and many state Departments of Transportation (DOTs) are seeking to improve the design practices of work zones to reduce work zone crashes. To support this vital and pressing highway safety goal, this research study focuses on analyzing and optimizing existing work zone practices and exploring the effectiveness and efficiency of innovative temporary rumble strips that can be used to minimize crashes in and around highway construction and maintenance projects. The research objectives of this study are to: (1) provide enhanced understanding of the impact of work zone parameters and innovative temporary traffic control devices on the safety of highway construction zones; (2) analyze work zone crashes and current practices to identify potential layout parameters that impact work zone crash occurrence; (3) investigate and quantify the impact of work zone layout parameters on the risk and cost of crash occurrence; (4) optimize work zone setup parameters to minimize total work zone costs including agency, user delay, and expected crash costs; (5) conduct field experiments to analyze the efficiency and constructability of various arrangements of temporary rumble strips prior to and at the edge of work zones; and (6) study and enhance the effectiveness of temporary rumble strips in alerting inattentive drivers prior to and at the edge of work zones. In order to achieve these objectives, the study is conducted in seven major tasks that focus on: (1) conducting a comprehensive literature review; (2) collecting and fusing all available data and reports on work zone crashes in Illinois; (3) analyzing work zone crashes and identifying the probable causes and contributing factors; (4) identifying the impact of layout parameters on risk of crash occurrence; (5) developing an optimization model to minimize total work zone costs including agency cost, user delay cost, and expected work zone crash cost; (6) performing field experiments on temporary rumble strips and evaluate the efficiency of utilization on site; and (7) evaluating the effectiveness of temporary rumble strips prior and at the edge of work zones. The main research developments of this study are expected to have significant impacts on (1) identifying potential work zone parameters and contributing causes that impact work zone crash occurrence; (2) estimating the probability of work zones to encounter severe crashes; (3) quantifying the impact of work zone parameters on the risk levels of crash occurrence; (4) estimating the monetary value of work zone crashes based on work zone layout parameters; (5) searching for and identifying optimal work zone setup solutions that specify segment length, operating speed, TTC policy, and concrete barrier at different operation staring times; (6) developing new efficient prototypes of temporary rumble strips to be utilized prior to and at the edge of work zones; and (7) developing practical guidelines for effective design arrangements of temporary rumble strips. These new developments hold a strong promise to: (a) improve work zone safety for both the travelling public and construction workers; (b) improve current work zone layouts, strategies, and standards; (c) provide a baseline for controlling the risk of crash occurrence due to highway work zones; (d) assist construction planners in identifying optimal work zone setups for highway construction; (e) direct the development of practical recommendations for efficient and effective design arrangements of temporary rumble strips; and (f) reduce work zone crashes in the work area through the implementation of practical temporary rumble strips arrangements.
