 The first phase will be within budget , at $ 4 @.@ 45 billion . The total cost of the 8 @.@ 5 @-@ mile ( 13 @.@ 7 km ) line is expected to exceed $ 17 billion . According to MTA Capital Construction President Dr. Michael Horodniceanu , the whole line may be completed as early as 2029 and would serve 560 @,@ 000 daily passengers upon completion . 
