Ansaldo STS, through its subsidiary Ansaldo STS USA, was awarded an $11.9 million subcontract agreement with Mass Electric Construction Co. as a part of the Washington Metropolitan Area Transit Authority's (Metro) Rehabilitation of Red Line Metro Rail System — Dupont Circle to Silver Spring project.
Ansaldo STS USA is responsible for upgrading the automatic train control system, which includes replacing switches and signals and upgrading eight interlockings from mechanical relays to Microlok II solid state controls.
The company is also responsible for replacing the emergency trip Stations, public address system and closed-circuit TVs at stations with related communications design.
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