 Despite proposing to eliminate most service east of Ronkonkoma, the MTA is enhancing the segment's infrastructure.The LIRR is required to install a positive train control signaling system on all its trackage by the end of 2018.The MTA initially budgeted $29 million in its 2015-2019 capital program to add signals along the 10 mile segment from Ronkonkoma to Yaphank.