Impaired Driving
Ryan C. Smith
Transportation Research Analyst
NTSB
Washington
Thomas B. Chapman, Board Member
Board Member
NTSB
Washington, DC
Rafael Marshall, PhD (he/him/his)
Senior Investigator
NTSB
Alexandria, VA
Jana Price, PhD (she/her/hers)
National Resource Specialist
National Transportation Safety Board
Washington , DC
Ryan C. Smith
Transportation Research Analyst
NTSB
Washington
Leah Walton
Safety Advocate
National Transportation Safety Board
Washington, DC