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Boston's Morning Commute Snarled by Water Main Break in Back Bay

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Published on January 07, 2026
Boston's Morning Commute Snarled by Water Main Break in Back BaySource: Google Street View

Early Wednesday, Boston’s Back Bay was hit by a major water main break near Newbury and Arlington streets at about 1:30 a.m., flooding streets and causing heavy traffic delays. Boston 25 News reported that water has since receded, but cleanup and repairs disrupted the morning commute.

Although crews cleared most of the water before peak hours, motorists were urged to avoid the area. Video footage showed the extent of traffic near the site. Boston police barricaded the intersection to redirect traffic and reduce congestion.

As the city scrambled to contain the aftermath of the water main break, the Boston Water and Sewer Commission did not immediately comment on the incident's cause. However, a tantalizing detail emerged hinting at a possible lead: "a utility company was in the area doing work," the Commission mentioned, as per a statement to WCVB. This information may or may not shed light on the genesis of the watery chaos that ensued.

An eyewitness told WCVB, "I saw that it was all backed up with traffic because it’s a big commuter day. Thought I’d walk down and check it out. Looks pretty nasty, but hopefully no damage."

Residents and motorists are seeking alternate routes as repairs continue. The Boston Water and Sewer Commission is investigating the cause of the water main break. Authorities advise the public to follow updates and instructions during the ongoing repairs.