5:20pm Update: Emergency utility work blocks both directions of Frederick Rd (MD 355) at Professional Drive. This may be an extended incident. Expect significant delays. Seek alternate route.

Montgomery County Police have issued a traffic alert for Professional Drive being closed at N. Frederick Ave. (355) in Gaithersburg due to a water main break.


1:07pm Update: All lanes of Hungerford Drive (MD355) at College Parkway reopened from earlier traffic incident. Expect residual delays.

“A traffic incident has closed all lanes of Hungerford Drive (MD355) at College Parkway [in Rockville] as of 12:28 on Thursday afternoon. Expect significant delays and seek alternate route.” per Alert Montgomery.


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