The U.S. Department of Transportation says Detroit Metropolitan Airport in Romulus, southwest of Detroit, will receive more than $21 million for runway construction.

About $11 million will go to the Gerald R. Ford International Airport in Grand Rapids for apron rehabilitation. The Kalamazoo/Battle Creek International Airport will get just over $1.5 million to conduct an environmental study. The Alpena County Regional Airport will use $527,000 to buy snow removal equipment.