The deputy secretary of transportation advises and assists the secretary of transportation in the supervision and direction of the Department of Transportation (DOT). The deputy secretary would succeed the secretary in their absence, sickness, or unavailability.
List of deputy secretaries of transportation # Image Name Term began Term ended President served1Darrell M. Trent19811983 Ronald Reagan2James H. Burnley IV1983December 3, 19873Mimi Weyforth Dawson December 3, 1987 January 20, 19894Elaine Chao April 19, 1989 October 18, 1991 George H. W. Bush5James B. Busey IV December 4, 1991 February 21, 19926Mortimer L. DowneyMay 28, 1993January 20, 2001Bill Clinton7Michael Peter JacksonMay 5, 2001August 28, 2003George W. Bush8Maria CinoMay 6, 2005March 3, 20079Thomas J. BarrettJune 1, 2007May 1, 2009George W. BushBarack Obama10John PorcariJune 1, 2009December 27, 2013 Barack Obama11Victor MendezDecember 27, 2013July 24, 2014July 24, 2014January 20, 201712Jeffrey A. RosenMay 18, 2017May 21, 2019 Donald Trump–Steven G. Bradbury (acting)September 10, 2019January 20, 202113Polly TrottenbergApril 14, 2021January 20, 2025Joe Biden14Steven G. BradburyMarch 13, 2025IncumbentDonald Trump
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