Highway Safety Information System - The Essential Information System For Making Informed Decisions About Highway Safety

2011PDFTech Reporthttps://www.fhwa.dot.gov/publications/research/safety/hsis/11031/index.cfmFHWA\u2013HRT\u201311\u2013031Highway safetyInformation systemsDecision makingResearch HubUnited StatesUnited States. Federal Highway AdministrationUnited States. Federal Highway AdministrationTurner-Fairbank Highway Research CenterTan, CarolFederal Highway Administration;Intelligent Transportation Systems Joint Program OfficeThe Federal Highway Administration (FHWA) operates and maintains the Highway Safety Information System (HSIS). The HSIS is a roadway-based system that provides quality data on a large number of accident, roadway, and traffic variables. It uses data already being collected by States for managing the highway system and studying highway safety. This summary report provides information on HSIS participating States and the data format, the HSIS Web site (www.hsisinfo.org), guidebooks for using the HSIS, the two data element tables maintained by the HSIS, HSIS Summary Reports, and the HSIS Laboratory at the Turner-Fairbank Highway Research Center.93