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Effectiveness: Quality varies considerably 1 Star Quality varies considerably Cost: Varies
Use: High
Time: Medium

This countermeasure involves medical advisory boards assisting licensing agencies in evaluating people with medical conditions or functional limitations potentially affecting their ability to drive (AAAFTS, 2016a). MABs generally make policy recommendations on what licensing actions are appropriate for people with specific medical conditions or functional limitations.

Effectiveness Concerns: This countermeasure is widely used; however, there are no known studies evaluating the crash relevant effects of MABs. In 2017 NHTSA published a series of reports on studies outlining the operational benefits of having MABs. A summary of the studies is available as a Traffic Tech report (NHTSA, 2017). See Appendix A, Section 2.4 for detailed discussion of the reports. Further information about the known research, potential effectiveness, costs, use, and time to implement is available in Appendix A7, Section 2.4.