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Daphne Jefferson, deputy administrator of the Federal Motor Carrier Safety Administration, speaks during a panel discussion introducing the Road to Zero coalition at a National Highway Transportation Safety Administration conference in Arlington, Virginia, U.S., on Wednesday, Oct. 5, 2016. The goal of Road to Zero is to drive down the occurrence of traffic fatalities by researching long term paths to safer roads, providing grants for developing and implementing new technologies, and focusing the efforts of a wide range of groups. Photographer: T.J. Kirkpatrick/Bloomberg via Getty Images

Daphne Jefferson, deputy administrator of the Federal Motor Carrier Safety Administration, speaks during a panel discussion introducing the Road to Zero coalition at a National Highway Transportation Safety Administration conference in Arlington, Virginia, U.S., on Wednesday, Oct. 5, 2016. The goal of Road to Zero is to drive down the occurrence of traffic fatalities by researching long term paths to safer roads, providing grants for developing and implementing new technologies, and focusing the efforts of a wide range of groups. Photographer: T.J. Kirkpatrick/Bloomberg via Getty Images