Ansaldo STS to deploy PTC on MBTA’s commuter rail network; Amtrak equips entire NEC with PTC December 23, 2015 | North America Company News Ansaldo STS has secured the USD338-million contract from Massachusetts Bay Transportation Authority (MBTA) to deploy positive train control (PTC) system on its commuter rail network. The scope of work... This content is available to only subscribers. Username or E-mail Password Remember Me Forgot Password