The PHL expansion alternatives (still A, B and C) have dramatically changed from what was initially proposed.
http://www.phl-cep-eis.com/project-descrip...tivesconsidered
The PHL/NYC airspace redesign official site:
http://www.faa.gov/airports_airtraffic/air...njphl_redesign/
http://www.phl-cep-eis.com/project-descrip...tivesconsidered
The PHL/NYC airspace redesign official site:
http://www.faa.gov/airports_airtraffic/air...njphl_redesign/