Then again, everything at ground zero carries a big ticket, from the $478 million vehicle-screening center to the $2.2 billion PATH terminal.

(Almost half the south tower columns fall within the adjacent PATH terminal.)

It will still provide cooling to public buildings like the memorial, the memorial museum and the PATH terminal.

The station was located at Church Street east of the current PATH terminal.

More office towers and a new PATH terminal would run along Church Street, on the eastern half of the site.

There is little chance that any plan would be chosen that foreclosed a new PATH terminal, office towers, cultural centers and stores.

The permanent PATH terminal is to be completed between 2007 and 2009.

It will eventually be demolished to make way for the new PATH terminal.

Immediately south of the south tower footprint is the electric substation serving the PATH terminal.

Under the tower would be a shopping concourse and a network of passageways, including a connection to the new PATH terminal.