
By Kavitha Cardoza
More than 40 heads of state will attend the nuclear summit in D.C. next week. Authorities warn that means transportation will be affected in the nation's capital.
The summit will be held at the downtown D.C. Convention Center on April 12-13. During that time, officials say there will be many road closures, physical barriers and uniformed law enforcement officers in the area.
Metro says the Mount Vernon Square stop will close at 9 p.m. Sunday and reopen at 5 a.m. April 14. Trains will pass through the station, but riders will be unable to get off.
Metro buses in that area also will be affected. There will be beefed up U.S. Coast Guard presence on waterways. In addition, the Federal Aviation Administration says there will be extra flight restrictions during the summit.

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