Through the FHWA/AASHTO Implementation Assistance Program (IAP), results from the NDS and RID databases were available to state departments of transportation (DOTs) interested in analyzing the data to identify crash causation factors and to develop effective countermeasures, such as improved road designs or public safety campaigns, which will address their common safety concerns. SHRP2’s three-phased approach to safety research—called Concept to Countermeasure, Research to Deployment Using the SHRP2 Safety Databases—was supported by $7 million in financial and technical assistance through the SHRP2 IAP. Developed through the SHRP2 Safety focus area, the NDS and RID offer more than two petabytes of driver behavior data to researchers and their DOT counterparts. From eleven initial research projects selected for Phase 1 in 2015, nine were selected to continue their research for Phase 2 in 2016 using the two safety databases on eight important safety topics. Six projects were then ultimately chosen in Phase 3 to continue to implementation. The DOTs selected for Phase 3 included Florida, Michigan, Minnesota, Washington, and Wyoming. Washington State DOT received two awards for separate research topics. The topics include pedestrian-vehicle interaction; speeding; work zones; adverse weather conditions; and roadway lighting. (See chart below. A summary of the early research findings from Phase 2, and proposals for Phase 3, by state DOT can be found here.) AASHTO’s involvement in concluded with the selection of the Phase 3 states and study topics. FHWA has continued its oversight and facilitation of the Phase 3 projects and will remain in this role until the projects come to conclusion.
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