Green Line service will continue to operate normally through the station during these times--passengers just won't be able to get on the Green Line at Navy Yard between 10 pm Saturday and 7 am Sunday.

However, the Half Street entrance to the station will close at 7 pm Saturday and won't reopen until 12:30 pm Sunday.

Even if you're not planning to be on the subway during those times, note that there may be street closures as well as a "large presence" of emergency vehicles and law enforcement personnel. But Metro emphasizes "this is only a drill."

In the meantime, while we're on the subject, I wonder when the station's official name is going to change? The new maps on trains and in stations have the updated Navy Yard-Ballpark moniker, but the street-level signs remain unchanged, and Metro is still referring to the station as Navy Yard in the above press release and on the web site.

The NoMa station got a festive renaming event last week, but that was for a complete name change, not just an addendum.

The station celebrated its 20th birthday back in December.

This might also be a good time to mention some Metrobus changes, too. The P1 and P2 lines that used to run along M Street from Archives during rush hour have been discontinued, and the P6 line, which used to run along Virginia Avenue and then up into Capitol Hill on its route between Anacostia and the Rhode Island Avenue station, now runs along M Street from the 11th Street Bridge to 3rd Street SW, then shifts to 4th Street all the way north to Pennsylvania Avenue. (A nice change for Near Southeast folks, but a sad one for me, since this bus ran right past my corner and was our chariot to the E Street Cinemas and other destinations along its route.)