Development of an Accident-prediction Model at Highway-railroad Grade Crossings PDF Download
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Author: Basim Kadhim Jrew
Publisher:
ISBN:
Category : Traffic accidents
Languages : en
Pages : 172
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Book Description
Author: Basim Kadhim Jrew
Publisher:
ISBN:
Category : Traffic accidents
Languages : en
Pages : 172
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Book Description
Author: Maxim A. Dulebenets
Publisher: Xlibris Corporation
ISBN: 1493149660
Category : Architecture
Languages : en
Pages : 74
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Book Description
HIGHWAY-RAIL GRADE CROSSING IDENTIFICATION AND PRIORITIZING MODEL DEVELOPMENT Highway-Rail Grade Crossing Identification and Prioritizing Model Development develops an optimization model and heuristic. This seminal work expertly allocates monetary resources between public highway-rail grade crossings in the State of Tennessee. Highway-Rail Grade Crossing Identification and Prioritizing Model Development applies particular countermeasures. These countermeasures aim to decrease the total number of severe to fatal road accidents with respect to budget available.
Author: David W. Schoppert
Publisher:
ISBN:
Category : Technology & Engineering
Languages : en
Pages : 136
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Book Description
A comprehensive analysis and review was undertaken of available data and information applicable to the problem of improving safety at highway rail grade crossings. A probability model was developed for forecasting the probability of accident occurrence at crossings. The model allows the separate prediction of expected accidents which involve trains and accidents which do not involve trains but occur at the crossing.
Author: Daniel Brod
Publisher: Transportation Research Board
ISBN: 0309283485
Category : Highway-railroad grade crossings
Languages : en
Pages : 119
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Book Description
"TRB's National Cooperative Highway Research Program (NCHRP) Report 755: Comprehensive Costs of Highway-Rail Grade Crossing Crashes describes a process for estimating the costs of highway-rail grade crossing crashes. A spreadsheet-based tool to facilitate use of the cost estimation process is available online." --Publisher description.
Author: Kai-Min Jen
Publisher:
ISBN:
Category : Railroad accidents
Languages : en
Pages : 264
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Book Description
Author: Daniel Brod
Publisher:
ISBN:
Category :
Languages : en
Pages : 0
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Book Description
Author: Mohammad Qureshi
Publisher:
ISBN:
Category : Highway-railroad grade crossings
Languages : en
Pages : 162
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Book Description
Author: Ardeshir Faghri
Publisher:
ISBN:
Category : Highway-railroad grade crossings
Languages : en
Pages : 78
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Book Description
The need for improvement at a rail/highway crossing typically is based on the Expected Accident Rate (EAR) in conjunction with other criteria carrying lesser weight. In recent years new models for assessing the need for improvements have been developed, and in the research reported here five such models selected from a list established from a literature review and a user survey were evaluated. The selected models--the DOT, Peabody-Dimmick, NCHRP No. 50, Coleman-Stewart, and New Hampshire--were evaluated using a data base maintained by the Virginia Department of Highways and Transportation. Additionally, the performance of the methods in predicting the EAR were compared using the chi-square test and the power factor. The results indicated that the DOT formula outperformed the other four methods in both the evaluative and comparative analyses, and thus was recommended for use. The priority list produced by this formula is only one criterion used in determining the need to improve conditions at any crossing. It must be supplemented with information obtained by regular site inspections and with qualitative data that cannot feasibly be incorporated into a mathematical formula.
Author: Yoassry M. Elzohairy
Publisher:
ISBN:
Category : Electronic traffic controls
Languages : en
Pages : 180
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Book Description
The Illinois Department of Transportation (IDOT) uses an Expected Accident Frequency (EAF) formula as one of the parameters in prioritizing the rail-highway grade crossings that need warning devices upgrade. This study evaluated the effectiveness of the formula and assessed the current 0.02 threshold. Field data were collected from three railroad corridors and 93 crossings in Illinois. Four potential models (Connecticut, Michigan, California, and USDOT models) were evaluated using Illinois data and none of them consistently outperformed the IDOT EAF formula. A new Illinois Hazard Index (IHI) formula was developed. The variables used in IHI are average daily traffic, number of trains per day, maximum timetable speed, number of tracks, number of highway lanes, 5-year history, and control devices factor. The IHI formula identified a higher number of locations with a higher crash rate than the IDOT formula did. The revised IHI should be used in combination with other criteria to identify those crossings in need of safety improvement.
Author: Wasi A. Hanafi
Publisher:
ISBN:
Category :
Languages : en
Pages :
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Book Description
Examines the adequacy of existing data as a basis for analysis of the causes of road/rail crossing accidents, and identifies the information gaps. Information comes from organisations representing owners/operators of crossings, regulators, and investigators, who were interviewed to assess their positions on grade crossing safety problems and to examine the data they collect. The report identifies deficiencies in the existing databases, as well as likely sources for more complete information. The appendix volume includes sample forms used for reporting road/rail crossing accidents in various jurisdictions, a summary data matrix of existing databases, and a report on accident prediction, severity prediction, and hazard index formulas that relate to road/rail crossings.
