FHWA Office of Safety Research and Development, Safety Data and Analysis Tools
Learn about the Safety Training and Analysis Center (STAC), where researchers can find assistance using the SHRP 2 Safety data sets – the Naturalistic Driving Study, and the Roadway Information Database. See the latest release of IHSDM, a software suite for evaluating geometric design decisions to support AASHTO’s Highway Safety Manual. Explore the Highway Safety Information System (HSIS), a multistate database combining crash, roadway inventory, and traffic volume data to guide decisions about safety improvements.