Baltimore-Washington International Thurgood Marshall Airport is seeing a record number of passengers, prompting the state of Maryland to invest $60 million to fund expansion efforts.

Maryland Governor Larry Hogan announced last month that the airport’s international Concourse E will be expanded by 70,000 square feet on three levels. The expansion will include six new gates, more restrooms and operational support areas. Two of the gates will be full service, and four will be arrivals only. The new gates are anticipated for operation starting summer 2018.

This is the second recent expansion project at the airport’s international terminal. In November 2016, the airport completed a $125 million project that added a new eight-lane security checkpoint, food and retail outlets and a secure connector between Concourse D and Concourse E, as well as reconfigured airline gates to support added international service.

BWI reached a new milestone in 2016 with 25.1 million passengers.

“BWI continues to set records and this expansion highlights the continued success of our airport, as well as Maryland’s flourishing economy,” said Maryland Governor Larry Hogan. “This expansion will create new job opportunities for hardworking Marylanders, while bringing greater ease and efficiency to international travel, tourism and trade.”