CAMBRIDGE (CBS) – Traffic was snarled after a truck hit an overpass in Cambridge during the rush hour commute Friday afternoon.

The crash happened on Memorial Drive near the Mass. Ave bridge.

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A truck’s roof was torn off after hitting a bridge on Memorial Drive (WBZ-TV)

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The entire top of the truck was ripped off and the windshield was smashed. The driver, a 30-year-old man from Salem, was cited.

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It is unclear the driver was injured.