Paul Wiedefeld to step down as Maryland transportation secretary

Maryland Transportation Secretary Paul Wiedefeld said he is stepping down at the end of July following a career that spanned four decades, including leading the Metro system.

WASHINGTON, DC - MAY 24: Paul Wiedefeld, general manager of the Washington Metropolitan Area Transit Authority, participates in a House Transportation Committee hearing on improving the safety of Washingtons Metro system, on Capitol Hill May 24, 2016 in Washington, DC.