WASHINGTON — Elaine Chao, who was Secretary of Labor under President George W. Bush, will be named Transportation Secretary by President-elect Donald Trump, according an official with the transition.

Chao was also assistant secretary of transportation in the administration of President George H.W. Bush.

The Trump transition official was not authorized to speak on the record before Trump makes the official announcement later today.

Chao is married to Senate Majority Leader Mitch McConnell of Kentucky.