WASHINGTON — A broken water main on a heavily used cut-through road in Upper Marlboro, Maryland, during the Tuesday morning commute will remain closed through the evening rush, authorities said. South Osborne Road between Brentwood Road and Carroll Way will remain closed until evening, the Washington Suburban Sanitary Commission said on Twitter. “Big pipes take a while to drain before repairs can begin,” according to the WSSC, which began pumping out the last of the water on South Osborne Road around 7:30 a.m. At least 16 WSSC customers were without service, they said. South Osborne Road is a heavily used cut-through from U.S. 301 to Md. 4 in Prince George’s County, Maryland. WSSC crews also were on the site of another water main break in the Chevy Chase area of Montgomery County Tuesday morning. Service for residents near Jones Mill Road was restored around 9 a.m. See a map of the areas affected.

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S Osborne will remain closed btwn Brentwood RD and Carroll Way thru the evening rush. Detour is in place, but best to avoid if possible. 1/2

— WSSC Water News (@WSSCWaterNews) July 25, 2017

Crews in place and will begin repairs following Miss Utility markup of road. 2/2

— WSSC Water News (@WSSCWaterNews) July 25, 2017

Visit WSSC’s customer alert page for additional updates.