The MTA initially budgeted $29 million in its 2015–2019 capital program to add signals along the 10 mile segment from Ronkonkoma to Yaphank. This upgrade would install signals, track circuits and automatic speed control (ASC).
In its 2015–2019 capital program, the MTA allocated $29 million for signal installation, track circuit upgrades, and automatic speed control (ASC) on a 10-mile section of the Ronkonkoma to Yaphank line.