The Trump administration is now threatening federal funding for Boston’s transportation system — giving officials a two-week deadline to share data on crime.

U.S. Transportation Secretary Sean Duffy sent a letter Thursday to Massachusetts Bay Transportation Authority (MBTA) General Manager Phillip Eng.

“ ... We’re not waiting for the next Iryna [referring to the stabbing death of a woman on a train in Charlotte, North Carolina]. Chicago and Boston are on notice to take actions that enhance safety and reduce the crime affecting their riders and transit workers — or risk federal support,“ a statement on the letter from Duffy read.

The letter said the MBTA must maintain a safe, clean and secure environment, and while those facts are “true across the MBTA system, particular focus must be on

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