New York routinely issues licenses to immigrants that may be valid long after they are legally authorized to be in the country, U.S. Transportation Secretary Sean Duffy said Friday and he threatened to withhold $73 million in highway funds unless the system is fixed.

New York officials said they are following all the federal rules for the licenses and has been verifying drivers' immigration status.

New York is the latest state Duffy has targeted in his effort to make sure truck and bus drivers are qualified to get licenses that he launched after a truck driver who was not authorized to be in the U.S. made an illegal U-turn and caused a crash in Florida that killed three people . But the rules on these licenses have been in place for years.

The Transportation Department has said it is

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