Ansaldo STS USA (ASTS) signed a $24 million subcontract to modernize the signal system for the Lexington Avenue and 5th Avenue interlocking in New York City.
ASTS will provide a relay-based wayside signaling system to replace and upgrade two current interlocking on the Queens Boulevard Line. In addition to meeting the latest New York City Transit Authority standards, the state-of-the-art system will be Communications Based Train Control-ready.











