Editing Philadelphia (section)

===Trade and transportation===
{{main|Transportation in Philadelphia}}
[[Philadelphia International Airport]], a major [[Transatlantic flight|Transatlantic]] gateway and transcontinental hub, has undergone a $900&nbsp;million [[infrastructure|infrastructural]] expansion to increase passenger capacity and augment passenger experience, and the airport continues an ongoing capital expenditure program to upgrade facilities and add further amenities.<ref name=PhiladelphiaAirportExpansion1>{{cite news |url=http://www.philly.com/philly/business/philly-airport-gets-16-5-million-federal-grant-for-runway-improvements-20170822.html |title=Philly airport gets $16.5 million federal grant for runway improvements |author=Linda Loyd |newspaper=[[The Philadelphia Inquirer]] |date=August 22, 2017 |access-date=June 3, 2018 |archive-date=June 12, 2018 |archive-url=https://web.archive.org/web/20180612141404/http://www.philly.com/philly/business/philly-airport-gets-16-5-million-federal-grant-for-runway-improvements-20170822.html |url-status=live }}</ref><ref name=PhiladelphiaAirportExpansion2>{{cite news |url=http://www.philly.com/philly/business/airlines-at-phl-agree-to-900-million-in-infrastructure-20170522.html |title=Airlines at PHL agree to $900 million in improvements |author=Linda Loyd |newspaper=The Philadelphia Inquirer |date=May 22, 2017 |access-date=June 3, 2018 |archive-date=June 9, 2018 |archive-url=https://web.archive.org/web/20180609190959/http://www.philly.com/philly/business/airlines-at-phl-agree-to-900-million-in-infrastructure-20170522.html |url-status=live }}</ref> The [[Port of Philadelphia]], having experienced the highest percentage growth by [[Twenty-foot equivalent unit|tonnage]] loaded in 2017 among major U.S. seaports, has doubled its shipping [[tonnage|capacity]] to accommodate super-sized [[post-Panamax]] shipping vessels since 2018.<ref name=PhiladelphiaSeaportExpansion1>{{cite web |url=https://www.joc.com/port-news/us-ports/port-philadelphia/after-strongest-us-growth-philadelphia-port-double-capacity_20180405.html |title=After strongest US growth, Philadelphia port to double capacity |author=Hugh R. Morley |publisher=JOC |date=April 5, 2018 |access-date=June 3, 2018 |archive-date=June 12, 2018 |archive-url=https://web.archive.org/web/20180612142253/https://www.joc.com/port-news/us-ports/port-philadelphia/after-strongest-us-growth-philadelphia-port-double-capacity_20180405.html |url-status=live }}</ref> Philadelphia's [[30th Street Station]] is the third-busiest [[Amtrak]] rail hub, following [[Pennsylvania Station (New York)|Penn Station]] in [[Manhattan]] and [[Washington Union Station|Union Station]] in Washington, D.C., transporting over 4&nbsp;million [[inter-city rail]] passengers annually.<ref name=PhiladelphiaAmtrak>{{cite web |url=https://www.amtrak.com/content/dam/projects/dotcom/english/public/documents/corporate/nationalfactsheets/Amtrak-Corporate-Profile-FY2018-0319.pdf |title=FY 2018 Company Profile |website=www.amtrak.com |access-date=April 18, 2019 |archive-url=https://web.archive.org/web/20190403083153/https://www.amtrak.com/content/dam/projects/dotcom/english/public/documents/corporate/nationalfactsheets/Amtrak-Corporate-Profile-FY2018-0319.pdf |archive-date=April 3, 2019 |url-status=live }}</ref>