TRB’s National Cooperative Highway Research Program (NCHRP) Syntheses 367: Technologies for Improving Safety Data explores new technologies for the acquisition, processing, and overall management of crash, roadway inventory, and traffic operations data.  The report examines the current state-of-the-practice and state-of-the-art use of technologies for efficient and effective collection and maintenance of data for highway safety analysis.  The final report is at  https://www.trb.org/news/blurb_detail.asp?id=8042