Transportation Secretary Sean Duffy unveiled a sweeping plan to replace decades-old infrastructure to boost safety, cut delays, and support future air travel in a move to modernize the United States’s air traffic control system.

Delays continue haunting travelers at Newark Liberty International Airport. There were 175 delays and 40 cancellations as of Thursday afternoon.

Transportation Secretary Sean Duffy unveiled a multi-billion dollar plan to overhaul the nation’s failing air traffic control system by 2028, following a deadly plane crash and thousands of radar and communications outages horrifying officials,