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Credit: AP/Gillian Flaccus

16 states sue Trump administration again over billions in withheld electric vehicle charging funds

Transportation secretary questions costs, contracting on Key Bridge replacement project

Montgomery County testing security robot at Silver Spring parking garage

Plan to upgrade nation鈥檚 air traffic control system gets key endorsement

Trump administration looks to address safety for travelers in DC

Union Station, other Northeastern rail projects getting $1.5 billion federal funding boost