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Applying Cheminformatics to Develop a Structure Searchable Database of Analytical Methods

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Development of a Comprehensive Database System for Safety Analyst.

Alexander Paz¹, Naveen Veeramisti², Indira Khanal²

¹Department of Civil and Environmental Engineering, Transportation Research Center, 4505 Maryland Parkway, P.O. Box 454015, Las Vegas, NV 89154-4015, USA.

Thescientificworldjournal

|July 14, 2015

Summary

This study developed a comprehensive database and tools to overcome barriers in using Safety Analyst for traffic safety management. The system enhances data integration and analysis, aiding in identifying sites needing safety improvements.

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Area of Science:

Transportation Engineering
Traffic Safety Analysis
Data Management Systems

Background:

Safety Analyst is a powerful tool for Traffic Safety Management but faces adoption challenges.
Effective data management is crucial for leveraging advanced traffic safety tools.

Purpose of the Study:

To develop a comprehensive database system and data management tools to support Safety Analyst.
To address barriers hindering the widespread use of Safety Analyst.
To improve the identification of potential safety improvement sites.

Main Methods:

Developed a database system with data extraction, transformation, integration, and loading (ETIL) tools.
Implemented consistency-checking capabilities for data integrity.
Utilized data from Clark County, Nevada, for system testing.
Conducted two case studies using default and calibrated Safety Performance Functions (SPFs).

Main Results:

The developed system successfully integrated roadway, ramp, intersection, and traffic characteristic data.
Case studies demonstrated the system's ability to identify sites with potential safety improvements for fatal and injury crashes.
Analysis provided insights into SPF calibration and site subtype classification.

Conclusions:

The integrated database and tools enhance the utility of Safety Analyst.
The system aids in network screening for targeted safety interventions.
Guidelines are provided for selecting appropriate network screening methods and performance measures.