The Hudson Tunnel Project (HTP), led by the Gateway Development Corporation (GDC), is a critical infrastructure initiative that will improve reliability, capacity, and resiliency along the Northeast Corridor by constructing a new two -track rail tunnel beneath the Hudson River between New Jersey and New York. The project also includes the rehabilitation of the existing North River Tunnel, ensuring long -term service reliability for both Amtrak and NJ TRANSIT operations. PACO serves as a subconsultant to the Mace –Parsons –Arcadis team .