LOS ANGELES (CBSLA) — A man was hospitalized Monday after his truck lost control, hit a tree and rolled over on Laurel Canyon Boulevard in Studio City.

Both directions of Laurel Canyon were shut down after the crash at about 1:30 a.m. at Don Pegita Drive.

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The truck was going downhill on Laurel Canyon when it lost control for some reason, hit a tree and rolled over, landing on its side. No other cars were involved.

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One man in the car, the driver, was taken to the hospital with unknown injuries.

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The cause of the crash was not known, but police say speed may have been a factor.