


A water main break closed Columbia Pike in Arlington near South Thomas Street this morning. The road remained closed throughout the morning rush between South George Mason Drive and South Four Mile Run Drive.
Metrobuses that run along the major east-west thoroughfare were experiencing delays of up to 25 minutes, Metro reports. Affected lines are all the 16 lines as well as the 22A and 22B. Buses are detouring off Columbia Pike at Four Mile Run Drive and moving to George Mason Drive.
Work crews have been drilling into a portion of the roadway between South Thomas and Wakefield streets, where they believe the main has ruptured. It's the same spot on Columbia Pike that had to be closed for another water main break a few months ago.
Authorities estimated this morning it could take at least 8 hours, perhaps more, to get Columbia Pike reopened, so the break could affect the evening rush as well.

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