Computerized crash analysis systems in which crash data, roadway inventory data, and traffic operations data can be merged are used in many states and municipalities to identify problem locations and assess the effectiveness of implemented countermeasures. By integrating this traditional system with a geographic information system (GIS), which offers spatial referencing capabilities and graphical displays, a more effective crash analysis program can be realized. The objective of this study was to develop a crash referencing and analysis system within a GIS. The system was developed using the Highway Safety Information System (HSIS) state of North Carolina for the area of Wake County. It provides the functions needed to edit tabular and spatial crash and roadway data and to perform crash analysis. The HSIS databases incorporated into the system include the crash and roadway inventory files. Additional databases maintained by the North Carolina Department of Transportation that were integrated into the system included the traffic signal inventory, pavement management/condition inventory, railroad grade crossing inventory, and the average daily traffic file. Also included in the system are databases that are not traditionally used in safety analyses such as the land-use and zoning ordinance files for Wake County and the TIGER census files containing population and demographic information.


  • English

Media Info

  • Pagination: 6p

Subject/Index Terms

Filing Info

  • Accession Number: 00768872
  • Record Type: Publication
  • Files: TRIS
  • Created Date: Sep 16 1999 12:00AM