Thousands of unionized workers are expected to rally today in an effort to increase pressure on the Port Authority and the World Trade Center site developer to end a stalemate over the remaining reconstruction at ground zero.
Elected officials are also slated to attend Tuesday's noon rally at 7 World Trade Center Park.
Construction is under way on 1 World Trade Center, a memorial, and a transit hub. But the building of other planned towers has stalled.
An arbitration panel has given both sides until Friday to come up with a solution to the dispute.
Construction of the towers at the site could create thousands of jobs.