megaport

mega- +‎ port

megaport (plural megaports)

1. An extremely large port, especially one that combines support for air, naval, and/or terrestrial travel.
   • 2001, Proceedings of the United States Naval Institute, volume 127, page 64:

     Given the critical importance of megaports to sea transport, might we witness a rebirth of interest in sea-lane protection, a mission that has in recent years lost ground to the task of projecting naval power ashore?

   • 2012, United States. Congress. House. Committee on Appropriations. Subcommittee on Energy and Water Development, Energy and Water Development Appropriations for 2013 (page 193)

     They are all border crossings across our borders into the U.S. and I was thinking of these 650 border sites and 100 megaports.

• game port, gameport