Hilary Russ/ReutersHilary Russ/ReutersHilary Russ/ReutersHilary Russ/ReutersHilary Russ/ReutersHilary Russ/ReutersMTA May Need $7 Billion More for SubwayReplacing and retrofitting much of the aging fleet will cost over $9 billion, while the current capital budget only allocates $1.7 billion, according to a watchdog group. The MTA needs over $7 billion in additional funding to restore and replace aging New York City subway cars, a watchdog group said.