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(WUSA9) -- WMATA announced on Tuesday that "Metro took control of the first phase of the Silver Line today at 5:30 a.m."

That means the line was formally transferred from the Washington Metropolitan Airports Authority to Metro.

Now, Metro has up to 90 days for testing and training before the line opens to riders this summer.

According to officials, the Metro Transit Police Department will lead two emergency drills along the Silver Line that will simulate real-life scenarios such as an emergency train evacuation along an elevated portion of the track.

The Metro Board of Directors will set the opening date for the Silver Line.

Metro officials say Silver Line service will run from Wiehle-Reston East station to Largo Town Center, with trains every 6 minutes during rush hour and every 12 to 20 minutes at other times.

There will also be five new stations: McLean, Tysons Corner, Greensboro, Spring Hill and Wiehle-Reston East.

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